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The 2006 Integrated Water Quality Monitoring and Assessment Report for the United States Virgin Islands September 21, 2006 Submitted by the Division of Environmental Protection, Department of Planning and Natural Resources, Government of the Virgin Islands of the United States LIST OF TABLES………………………………………………………………………...3 LIST OF FIGURES……………………………………………………………………….4 PART I: EXECUTIVE SUMMARY…………………………………………………...5 A. Purpose……………………………………………………………………………5 B. Overview of Water Quality Trends Conditions and Trends………………………5 C. Program Initiatives………………………………………………………………...6 D. Summary of Classified Uses………………………………………………………6 E. Highlights of the Rest of this Report……………………………………………...7 PART II: BACKGROUND…………………………………………………………….7 A. Resource Overview……………………………………………………………….7 B. Classifications, Total Waters and Applicable Standards………………………...25 C. Water Pollution Control Program………………………………………………..29 D. Non-Point Source Program………………………………………………………36 E. Oil and Hazardous Materials…………………………………………………….44 F. Wetlands Inventory Project………………………………………………………49 G. Water Quality Management Planning Program………………………………….50 H. Coral Reef Monitoring…………………………………………………………...51 I. Other Non-Point Source Activities………………………………………………53 PART III: SURFACE WATER MONITERING & ASSESSMENT……………………………………………………………………….....54 A. Surface Water Monitoring Program………….………………………………….54 B. Assessment Methodology…………..………..…………………………………..61 C. Estuary and Coastal Assessment…………………………………………………74 D. Wetlands Assessment…………………………………………………………….81 E. Public Health/Aquatic Life Concerns……………………………………………84 PART IV: GROUND WATER ASSESSMENT……………………………………...85 A. Overview………………………………………………………………………....85 B. Ground Water Quality……………………………………………………………88 C. Wellhead Protection: Delineation and Management Standards………………….90 D. Kingshill Aquifer As A Sole Source Aquifer……………………………………95 E. Ground Water Issues…………………………………………………………..…98 F. Institutional Controls At Tutu Well Field Superfund Site and Island Chemical Superfund Site…………………………………………………………………..101 G. Ground Water - Surface Water Interaction……………………………..………102 H. Summary of Principal Territorial and Federal Ground Water………………….104 LIST OF TABLES Table II.A.1 Characteristics of Virgin Islands Watersheds and Islands……………. 8 Table II A.2 Sub-watersheds Listed in the Unified Watershed Assessment………..10 Table II.A.3 Alignment of 14-Digit HUs and Watersheds…………………………...11 Table II.A.4 Assessment Units, Square Miles and Monitoring Sites………………..13 Table II.B.1 Summary of Virgin Islands Water Quality Criteria.…………………..26 Table II.B.2 Area of Water Classes by Island………………………………………...27 Table II.C.1 Virgin Islands Pollution Discharge Permits, 2004 and 2005…………..31 Table II.C.2 Summary of TPDES Activities, 2004 – 2005……………………………32 Table II.C.3 Supplementary POTW Inspections: TPDES Activities, 2004 – 2005…32 Table II.C.4 Summary of TPDES Enforcement Activities, FY 2004 – 2005………..35 Table II.D.1 Earth Change Summary…………………………………………………38 Table II.D.2 319 Funded Projects Involving Water Quality Monitoring…………...40 Table II.E.1 List of Current Used Oil Permit Holders……………………………….45 Table III.A.1 167 Virgin Islands Ambient Monitoring Sites.………………………..54 Table III.C.1 Waterbodies, Segments, and Categories……………...………………..75 Table III.D.1 Wetlands Classification…………………………………………………81 Table IV.A.1 Number of permitted wells in the USVI……………………………….85 Table IV.A.2 Number of applications reviewed this reporting period……………...85 Table IV.A.3 Overview of VI Public Water Systems Utilizing Groundwater ……...86 Table IV.C.1 WAPA wellfields surveyed…………………………………………...…91 Table IV.C.2 The distribution of potential source of contaminations………………91 Table IV.H.1 Reference Watersheds For Sampling………………………………...103 LIST OF FIGURES Figure II.A.1 St. Croix subwatersheds and assessment unit overview ………………9 Figure II.A.2 St. Thomas/St. John subwatersheds and assessment unit overview ….9 Figure II.B.2 Spatial Distribution of St. Croix Coastal Water Classes …………….28 Figure II.B.3 Spatial Distribution of St. Thomas/St. John Coastal Water Classes ..28 Figure II.H.1 Map of the St. Croix East End Marine Park, 2006..………………….53 Figure II.H.2 2005 Caribbean Percent Colonies Bleached By Pixel………………...53 Figure III.A.1: St. Croix Water Quality Monitoring Network.……………………...59 Figure III.A.2: St. Thomas/St. John Water Quality Monitoring Network…………59 Figure III.C.2.a St. Thomas/St. John Integrated Categories.………………………..79 Figure III.C.2.b St. Croix Integrated Categories...…………………………………...79 Figure III.C.2.c St. John Assessment Units Completely Under Federal Jurisdiction……………………………………………………………………………...80 Figure III.C.2.d St. Croix Assessment Units Completely Under Federal Jurisdiction ……………………………………………………………………………………………80 Figure IV.A.1 Virgin Islands Aquifers………………………………………………...87 Figure IV.B.1 VI Aquifer Analyses……………………………………………………89 Figure IV.C.1 20-Year TOT WHPA for Barren Spot wellfield, showing location of wells………………………………………………………………………………..….…92 Figure IV.C.2 Location of potential sources of contamination for Barren Spot WHPA…………………………………………………………………………..…….…93 Figure IV.C.3 Typical distribution of potential sources of contamination within a WHPA…………………………………………………………………………..…….…94 Figure IV.D.1 Extent of the Kingshill aquifer, St. Croix……………………………..97 Figure IV.E.1 Superfund Watershed (St. Thomas)…………………..………………98 Figure IV.E.2 Chloride Levels (ppm) in Groundwater in the Vicinity of STX Alumina and Bethlehem/Golden Grove……………………………………………...100 Figure IV.E.3 Salt-water interface in an unconfined coastal aquifer according to the Gyhben-Herzberg relation……………………………………………………………100 Part I. EXECUTIVE SUMMARY A. Purpose The 2006 US Virgin Islands Integrated Water Quality Monitoring and Assessment Report was prepared by the Department of Planning and Natural Resources, Division of Environmental Protection (DPNR/DEP) and is intended to satisfy abbreviated reporting requirements under section 305(b) of the Federal Clean Water Act (CWA). This report also is intended to satisfy the requirements of section 303(d) of the Federal CWA by developing a list of assessment units that will require Total Maximum Daily Loads (TMDLs). This report provides an assessment of the water quality conditions of the Virgin Island’s surface and ground water resources for the period covering fiscal years 2004-2005 (October 1, 2003 through September 30, 2005). B. Overview of Water Quality Conditions and Trends Water quality in the US Virgin Islands is generally good but declining due to an increase in point and non-point source discharges into the marine environment. Sources such as direct discharges, uncontrolled run-off and vessel wastes increase stresses on Virgin Islands (VI) waters. 1. Surface Water Non-point source pollution is the major source of surface water contamination in the Virgin Islands. Non-point source pollution can be attributed to several causes such as: • Failure to properly install effective silt control devices during construction, • Failure to contain storm water run-off from unpaved roads, • Failure of on-site disposal systems (OSDS). The discharging of wastes overboard directly into the sea by boat owners and the difficulty in regulating such activity also contributes to non-point source pollution problems seen in the Virgin Islands. Point Source Pollution can be attributed to a failing and overloaded municipal sewage system. Poor preventive maintenance practices due to lack of funding within the Department of Public Works, and negligence result in a pattern of frequent “bypasses” that empty sewage directly into the waters of the Virgin Islands. The Government of the US Virgin Islands has made considerable progress towards resolving these issues including the opening of new treatment plants and the development of the Waste Management Authority. 2. Ground Water The primary sources of groundwater contamination in the Virgin Islands are: • Bacteriological contamination from failing septic systems • Leaking municipal sewer lines • Migration of contamination from previous injections and disposal practices • Frequent sewage bypasses (generally described as discharges direct to the sea, but with some percolation into sub-soils) Other sources of ground water contamination include intrusion of salt water caused by the over- pumping of the aquifers, invasion of volatile organic compounds (VOC’s), contamination from leaking underground storage tanks, and the indiscriminate/illegal discharges of waste. C. Program Initiatives Under the provisions of the Federal and Local Water Pollution Control Act, the Virgin Islands Water Pollution Control (WPC) Program is mandated to conserve, protect, preserve, and improve the quality of water for public use, and the propagation of wildlife, fish and aquatic life for the USVI. To ensure the preservation of water quality WPC projects monitor compliance with the Water Quality Standards as set forth in the Virgin Islands Environmental Laws and Regulations. In addition, the program-reporting period (FY 2004 and FY 2005) saw water quality management activities in the Virgin Islands being planned for integration for management and reporting purposes with the Unified Watershed Assessment process of the Clean Water Action Plan. This Virgin Islands Water Quality Assessment presents water quality assessment information in a format that preserves the Virgin Islands long-term data series by using the same water quality monitoring sites. This report also indicates how this data can be summarized at a level that is compatible for both Water Quality Assessment and Unified Watershed Assessment processes. The Government of the Virgin Islands is presently enhancing and strengthening its territorial Water Pollution Control Act and revising its Water Quality Standards. This ongoing process builds upon previous 305(b) and 303(d) reporting periods. The Water Quality Standards were last successfully revised in October 2004. The Department has initiated the process of further revising the Water Quality Standards in time for the Clean Water Act tri-annual update due in FY 2007. The territory has also developed new draft storm water runoff particularly on construction sites. Furthermore, DPNR-DEP advocates the use of best management practices (BMPs) in the Revised Handbook for Homebuilders and Developers (Wright, 2002). DPNR has developed Total Maximum Daily Loads (TMDL's) for various assessment units identified in the 2004 303(d) impaired assessment units listing as well as apply for additional funding through the 604(b) Water Quality Management Planning (WQMP), formerly known as the 205(j) program, to achieve some of these Management tasks. D. Summary of Classified Uses USVI waters are classified into three (3) groups based on designated uses: Class A, B. and C: Class A waters are for the preservation of natural phenomena requiring special conditions with existing natural conditions that shall not be changed. Class A water standards are the most stringent of the three (3) classes because of its pristine or near-pristine state. Class B and C waters are for the propagation of desirable species of marine life and for primary contact recreation. Class C waters have less stringent water quality standards than Class B. Detailed specifications for these classes are presented in Part II, Section B, below. All waters of the Virgin Islands are designated for fish consumption, aquatic life support, primary contact recreation, and secondary contact uses pursuant to the Virgin Islands Water Quality Standard, Title 12, Chapter 7, §186-1 of the Virgin Islands Rules and Regulations (VIRR). E. Highlights of the Rest of this Report • Part II maps and explains the geographic delineation used by the Department of Planning and Natural Resources to report on this Water Quality Assessment, and to display the effects on watersheds and watershed restoration priorities in the Virgins Islands. • Part III reports on surface water quality issues in the Virgin Islands. • Part IV reports groundwater and related non-point source issues in the Virgin Islands. PART II. BACKGROUND A. Resource Overview The territory of the United States Virgin Islands comprises three major islands: St. Croix, St. John, and St. Thomas. Additionally, 57 smaller islands and cays were documented in A Natural History Atlas to the Cays of the US Virgin Islands (Thomas and Devine, 2005). Taken together, the territory encompasses a total land area of about 136 square miles or 110,000 acres (Table II.A.1) characterized by central mountain ranges and relatively small coastal plains. Peak elevations are 1,165 feet on St. Croix (Mount Eagle), 1,550 feet on St. Thomas, (Crown Mountain) and 1,297 feet on St. John (Bordeaux Mountain). The islands are generally only 2 to 6 miles wide, with no land location far from the coastal waters. All data in this report focus on the main islands of St. Croix, St. John, and St. Thomas although several enclosed bays within the main islands' watersheds include offshore islands and cays. The return of Water Island to the control of the Government of the US Virgin Islands, after 50- some years of direct federal administration (first as a fort by the Department of the Army during the Second World War, and later as the responsibility of the US Department of the Interior) raises the question of whether this areas should be treated as a fourth island. For the purposes of the Water Quality Assessment, Water Island will be treated as another offshore cay or small inhabited island, such as Hassel Island or Great St. James because the area is small (less than 600 acres or 1 square mile), and because the island is practically within St. Thomas Harbor. The offshore cays and small islands are an inherent piece of the natural heritage of the Virgin Islands. Additionally, as an economic asset, these offshore sites could be included within a broad eco-tourism program for the territory. Many government-owned cays have already been established as wildlife reserves pursuant to Title 12 94(b)(2) VI Rules and Regulations. A number are important seabird nesting sites, and several are important roosting areas. The surrounding waters of most of the cays and islands teem with marine life, providing food for seabirds and for the fish and shellfish sought by commercial and recreational fishermen. They are also popular dive sites, which are important to the local diving industry. There are no large freshwater lakes or ponds, and no perennial streams on any of the islands; intermittent streams can only be seen after heavy rainfall or during the rainy season (May – November). The absence of large freshwater resources and perennial streams means that guts (watercourses) form the basis for watershed management in the territory. This Water Quality Assessment is based on the United States Geological Survey (USGS) 8-digit Hydrologic Units for the US Virgin Islands, which designate two Virgin Islands watersheds: one for St. Croix, and one for the combined islands of St. Thomas and St. John. In addition, this Water Quality Assessment also uses 11- and 14-digit Hydrologic Unit definitions, in the process of being finalized by the US Geological Service of the US Department of Interior and the Natural Resources Conservation Service of the US Department of Agriculture, to define territorial Watersheds. Within these fourteen draft watersheds (seven on St. Croix, four on St. Thomas, and three on St. John), the Virgin Islands have defined waterbody Assessment Units, which correspond to coastal elements of watersheds. Table II.A.1 Characteristics of Virgin Islands Watersheds and Islands St. Croix St. Thomas St. John Total Population 51,389 54,259 4,014 109,661 Land Area (square miles) 84 32 20 136 Land Area (acres) 53,499 17,489 12,323 83,311 Tidal/sub-tidal wetlands (square miles) 2.5 2.4 1.1 5.9 Coastal Shoreline 70.3 52.8 49.7 172.8 Embayments (square miles) 1.5 0.9 0.1 3.0 Figure II.A.1 St. Croix subwatersheds and assessment unit overview Figure II.A.2 St. Thomas/St. John subwatersheds and assessment unit overview The 14-digit Hydrologic Unit delineations are to be integrated with the list of watersheds used for the analysis in the Unified Watershed Assessment: See Part III below. Table II A.2 Sub-watersheds Listed in the Unified Watershed Assessment St. Croix Label Watersheds Acres UWA Category Label Watersheds Acres UWA Category A. Northside 2,258 N. Bugby Hole 998 2 B. Baron Bluff 1,262 4 O. Cane Garden Bay 1,527 2 C. Salt River Bay 3,510 2 P. HOVENSA 7,642 1 D. Princess 2,182 Q. Bethlehem 6,689 1 E. Christiansted 1,225 1 R. Airport 1,654 1 F. Altoona Lagoon 1,239 S. Diamond 2,577 1 G. Southgate 1,597 1 T. Long Point Bay 2,044 2 H. Solitude 1,691 4 U. Sandy Point 2,735 4 I. Teagues Bay 1,061 V. La Grange 3,137 2 J. Turner Hole 711 W. Prosperity 967 4 K. Madam Carty 1,128 X. Creque Dam 703 L. Great Pond Bay 2,007 1 Y. Butler Bay 918 M. Laprey Valley 1,853 Z. Rams Bay 757 Total St. Croix Acres ..... 54,072 St. Thomas Label Watersheds Acres UWA Category Label Watersheds Acres UWA Category A. Botany Point 945 4 H. Benner Bay 3,666 1 B. Santa Maria Bay 867 4 I. Frenchman Bay 1,137 C. Dorothea Bay 1,861 4 J. St. Thomas Harbour 2,696 1 D. Magens Bay 1,210 1 K. Cyril E. King Airport 1,524 4 E. Mandahl Bay 1,883 L. Preseverance Bay 704 F. Smith Bay 902 M. Fortuna Bay 707 G. Redhook Bay 850 1 Total St. Thomas ........ 18,952 St. John N. Hawksnest 1,305 S. Great Lameshur Bay 1,545 3 O. Maho Bay 1,116 3 T. Genti (Reef) Bay 1,208 3 P. Leinster Bay 795 U. Fish Bay 1,503 1 Q. Minnebeck Bay 629 3 V. Rendezvous Bay 416 R. Coral Bay 3,003 W. Great Cruz Bay 529 1 X. Mary Point 110 St. John Total Acres ...... 12,159 These watersheds align closely with the larger 14-digit Hydrologic Units drafted by the USGS and the NRCS. The alignment is as follows: Table II.A.3 Alignment of 14-Digit HUs and Watersheds 8-Digit 11-Digit 14-Digit Name Acres 21020002 St. Croix Watershed 54,072 21020002010 North St. Croix 22,507 21020002010010 Northwest St. Croix 6,482 V. La Grange 3,137 W. Prosperity 967 X. Creque Dam 703 Y. Butler Bay 918 Z. Rams Bay 757 21020002010020 Northcentral St. Croix 7,030 A. Northside 2,258 B. Baron Bluff 1,262 C. Salt River Bay 3,510 21020002010030 Northeast St. Croix 8,995 D. Princess 2,182 E. Christiansted 1,225 F. Altoona Lagoon 1,239 G. Southgate 1,597 H. Solitude 1,691 I. Teagues Bay 1,061 21020002020 South St. Croix 31,565 21020002020010 Southeast St. Croix 8,224 J. Turner Hole 711 K. Madam Carty 1,128 L.. Great Pond Bay 2,007 M. Laprey Valley 1,853 N. Bugby Hole 998 0. Cane Garden Bay 1,527 21020002020020 Southparts St. Croix 7,642 P. Hovic-Vialco 7,642 21020002020030 Airport St. Croix 8,343 Q. Bethlehem 6,689 R.Airport 1,654 21020002020040 Southwest St. Croix 7,356 S. Diamond 2,577 T. Long Point Bay 2,044 U. Sandy Point 2,735 21020001 St. Thomas-St. John Watershed 21020001010 St. Thomas 18,952 21020001010010 Northwest St. Thomas 4883 A. Botany Point 945 B. Santa Maria Bay 867 C. Dorothea Bay 1,861 D. Magens Bay 1,210 21020001010020 Northeast St. Thomas 3,635 E. Manual Bay 1,883 F. Smith Bay 902 G. Redhook Bay 850 21020001010030 Southeast St. Thomas 4,803 H. Benner Bay 3,666 I. Frenchman Bay 1,137 21020001010040 Southwest St. Thomas 5,631 J. St. Thomas Hobart 2,696 K. Cyril E King Airport 1,524 L. Preseverance Bay 704 M. Fortuna Bay 707 21020001020 St. John 12,049 21020001020010 North St. John 3,845 N. Hawksnest 1,305 0. Maho Bay 1,116 P. Leinster Bay 795 Q. Minnebeck Bay 629 21020001020020 Southeast St. John 4,548 R. Coral Bay 3,003 S. Great Lameshur Bay 1,545 21020001020030 Southwest St. John 3,656 T. Genti (Reef) Bay 1,208 U. Fish Bay 1,503 V. Rendezvous Bay 416 W. Great Cruz Bay 529 Finally, these two systems are displayed with an indication of the monitoring stations associated with each assessment unit and the number of water quality monitoring sites (Battelle 2003) established by the Virgin Islands Department of Planning and Natural Resources. Table II.A.4 Assessment Units, Square Miles and Monitoring Sites Assessment Unit ID Assessment Unit Name Class AU Size (sq. mi.) Associated Monitoring Stations VI-STT-01 Botany Bay B 0.1576 STT-9 Botany Bay VI-STT-02 Stumpy Bay B 0.0597 STT-10 Stumpy Bay VI-STT-03 Botany Bay subwatershed, offshore B 1.309 There are currently no monitoring stations within this assessment unit. VI-STT-04 Santa Maria B 0.3617 STT-11 Santa Maria Bay Bay VI-STT-05 Caret Bay B 0.0266 STT-12 Caret Bay VI-STT-06 Neltjeberg Bay B 0.0562 STT-13B Neltjeberg Bay VI-STT-07 Dorothea B 0.0254 STT-13 Dorthea VI-STT-08 Hull Bay B 0.2049 STT-14 Hull Bay, VI616865 Hull Bay VI-STT-09 Dorothea Bay subwatershed, offshore B 0.7673 There are currently no monitoring stations within this assessment unit. VI-STT-10 Magens Bay B 1.6208 STT-15, STT-15A, STT-15B Magens Bay, VI672756 Magen’s Bay VI-STT-11 Northwest St. Thomas HUC14, offshore B 55.088 STT-OFF1 STT NW-1, STT-OFF9 STT NW-3 VI-STT-12 Lovenlund Bay B 0.0228 There are currently no monitoring stations within this assessment unit. VI-STT-13 Mandahl Bay (Marina) B 0.0131 STT-16B Mandahl Bay Entrance, STT-16C Mandahl Point Entrance VI-STT-14 Tutu Bay B 0.0414 There are currently no monitoring stations within this assessment unit. VI-STT-15 Sunsi Bay B 0.0152 STT-17B Sunsi Bay VI-STT-16 Spring Bay B 0.0102 STT-17A Spring Bay VI-STT-17 Mandahl Bay subwatershed, offshore B 1.1379 STT-16A Mandahl Bay, STT-18 Coki Point Bay , VI577932 Coki Point VI-STT-18 Water Bay B 0.0845 STT-19 Water Bay VI-STT-19 Smith Bay B 0.1187 STT-20 Smith Bay, VI431925 Lindquist Beach VI-STT-20 Smith Bay subwatershed, offshore B 0.4103 There are currently no monitoring stations within this assessment unit. VI-STT-21 St. John Bay B 0.0411 STT-21A St. John Bay, VI327776 Sapphire Beach VI-STT-22 Red Bay B 0.0078 STT-21B Red Bay VI-STT-23 Vessup Bay B 0.0619 STT-22B Vessup Bay, USGS-50263000 Vessup Bay West VI-STT-24 Red Hook Bay B 0.1772 STT-22A Red Hook Bay, USGS- 50263500 Vessup Bay East, VI764950 Vessup Bay VI-STT-25 Great Bay B 0.5593 STT-23 Great Bay, VI505006 Bluebeards Beach VI-STT-26 Red Hook Bay, offshore B 0.4725 There are currently no monitoring stations within this assessment unit. VI-STT-27 St. James Islands, offshore B 0.6691 There are currently no monitoring stations within this assessment unit. VI-STT-28 Cowpet Bay B 0.0757 STT-24 Cowpet Bay, STT-24A Cowpet Bay West VI-STT-29 St. James Bay B 1.2439 There are currently no monitoring stations within this assessment unit. VI-STT-30A Northeast St. Thomas HUC14, offshore north B 42.927 STT-16C Mandahl Point Entrance, STT-OFF6 STT North-2 , STT-OFF12 STT NE-4 VI-STT-30B Northeast St. Thomas HUC14, offshore south B 24.908 There are currently no monitoring stations within this assessment unit. VI-STT-31 Nazareth Bay B 0.1793 STT-25B Secret Harbour, STT-26, STT-26A Benner Bay, VI389422 Secret Harbor VI-STT-32 Jersey Bay, offshore B 1.2925 STT-25 Nazareth Bay VI-STT-33 Benner Bay B 0.4187 USGS-50265900 Benner Bay South VI-STT-34 Benner Bay Lagoon Marina B 0.0355 STT-27D Mangrove Lagoon, Near Lavida Marina, STT-27E Mangrove Lagoon, Near Compass Point, USGS- 50265700 Benner Bay North VI-STT-35 Mangrove Lagoon B 0.2931 STT-27A Mangrove Lagoon, Near Treatment Plant, STT-27B Mangrove Lagoon, Off Sanitary Landfill (East of Ecotours), STT-27C Mangrove Lagoon, Near Tropical Marine Fuel Dock, USGS-50278800 Mangrove Lagoon West, USGS-50278500 Mangrove Lagoon East VI-STT-36 Frenchman Bay subwatershed, east B 0.3532 STT-28A Bovoni Bay,STT-28B Bolongo Bay, VI951607 Bolongo Bay VI-STT-37 Frenchman Bay B 0.0195 STT-29A Frenchman Bay, VI891065 Frenchman’s Bay VI-STT-38 Limetree Bay B 0.0065 STT-29B Limetree Bay, VI776527 Limetree Bay VI-STT-39 Morningstar Bay B 0.0215 STT-30 Morningstar Bay, VI937158 Morningstar Bay VI-STT-40 Pacquereau Bay B 0.0453 STT-31A Flamboyant Cove VI-STT-41 Frenchman Bay subwatershed, offshore B 2.9233 There are currently no monitoring stations within this assessment unit. VI-STT-42 Southeast St. Thomas HUC14, offshore B 50.939 STT-OFF8 STT South-3, STT-OFF5 STT North2 VI-STT-43 St. Thomas Harbor, inner C 0.7495 STT-31B Hassel Island, Off Navy Dock, STT-31C Hassel Island, Careening Cove, STT-32A Long Bay, Near South Dolphin, STT-32B Long Bay, Northeast Corner, STT-33A Long Bay, Off Outfall, STT-33B Long Bay, Off Outfall, STT-34 Long Bay, Off Pump Station, STT-35 Groden Bay, STT-36 St. Thomas Harbor, North of Coast Guard Dock, STT-37 St. Thomas Harbor, Cay Bay, STT-38 Haulover Cut VI-STT-44 St. Thomas Harbor, outer B 1.2128 There are currently no monitoring stations within this assessment unit. VI-STT-45 Gregerie Channel B 1.7072 STT-1 Crown Bay, Near Outfall, STT- 39 Water Isle, East Gregorie Channel VI-STT-46 Sprat Bay B 0.3814 STT-42 Water Island Sprat Bay VI-STT-47 Hassel Island at Haulover Cut to Regis Point C 0.2074 STT-2 Crown Bay, Near Tamarind Outlet, STT-3 Subbase VI-STT-48 Water Isle Hotel, Beach B 0.0057 There are currently no monitoring stations within this assessment unit. VI-STT-49 Druif Bay B 0.0331 STT-40 Water Isle Hotel, Beach VI-STT-50 Flamingo B 0.061 STT-41 Water Island Flamingo Bay VI-STT-51 Krum Bay C 0.0754 STT-4 Krum Bay VI-STT-52 Lindbergh Bay B 0.2612 STT-5A Lindbergh Bay East, STT-5B Lindbergh Bay West, STT-5C WAPA Outfall, VI514102 Lindberg Bay VI-STT-53 Cyril E. King Airport subwatershed, offshore B 0.8499 STT-6C S.W. Road, Near Red Point Outfall VI-STT-54 Perseverance Bay, offshore B 0.4734 STT-6B College Cove VI-STT-55 Brewers Bay B 0.1076 STT-7A Brewers Bay, VI293962 Brewer’s Bay VI-STT-56 Perseverance Bay B 0.2114 STT-7B Perseverance Bay VI-STT-57 Fortuna Bay B 0.0827 STT-8 Fortuna Bay VI-STT-58 Fortuna Bay subwatershed, offshore B 0.6553 There are currently no monitoring stations within this assessment unit. VI-STT-59 Northwest St. Thomas HUC14, offshore B 77.71 STT-6A Airport Runway, STT-OFF2 STT NW-1, STT-OFF11 STT SW-4 VI-STJ-01 Caneel Bay B 0.2623 STJ-54 Caneel Bay, NPS-1 Caneel Bay, VI658467 Caneel Beach VI-STJ-02 Hawksnest Bay B 0.2246 STJ-44B Hawksnest Bay, NPS-3 Hawksnest (middle beach), NPS-4 Hawksnest (Gibney Beach) VI-STJ-03 Trunk Bay A 0.0685 STJ-44A Trunk Bay, NPS-5 Trunk Bay VI-STJ-04 Hawksnest Bay subwatershed, offshore B 1.7287 NPS-2 Henley Cay VI-STJ-05 Cinnamon Bay B 0.1456 STJ-44C Cinnamon Bay, NPS-6 Peter Bay, NPS-7 Cinnamon Bay VI-STJ-06 Maho Bay/Francis Bay B 0.346 STJ-44D Francis Bay, NPS-8 Maho Bay, NPS-9 Francis Bay, VI536165 Big Maho Bay VI-STJ-07 Maho Bay subwatershed, offshore B 1.6071 There are currently no monitoring stations within this assessment unit. VI-STJ-08 Mary Point B 0.4831 There are currently no monitoring stations within this assessment unit. VI-STJ-09 Leinster Bay B 0.6627 NPS-10 Leinster Bay VI-STJ-10 Minnebeck Bay B 1.4876 NPS-11 Haulover Bay, NPS-30 Newfoundland Bay, NPS-31 Haulover East VI-STJ-11 Newfound Bay B 0.0765 There are currently no monitoring stations within this assessment unit. VI-STJ-12 North St. John HUC14, offshore B 23.719 There are currently no monitoring stations within this assessment unit. VI-STJ-13 Coral Harbor B 0.6965 There are currently no monitoring stations within this assessment unit. VI-STJ-14 Hurricane Hole B 0.7689 NPS-13 Water Creek, NPS-14 Princess Bay VI-STJ-15 Round Bay B 0.6015 STJ-53 Coral Bay, NPS-15 Coral Bay Dock, NPS-16 Johnson Bay VI-STJ-16 Coral Bay B 2.2337 NPS-12 Long Point VI-STJ-17 Salt Pond Bay B 0.1978 STJ-52 Salt Pond Bay, NPS-17 Salt Pond Bay VI-STJ-18 Grootman Bay B 0.1046 There are currently no monitoring stations within this assessment unit. VI-STJ-19 Great B 0.359 STJ-51 Great Lameshur Bay, STJ-50 Lameshur Bay Little Lameshur Bay, NPS-18 Great Lameshur Bay, NPS-19 Yowsi Point, NPS-20 Little Lameshur Bay VI-STJ-20 Southeast St. John HUC14, offshore B 24.319 There are currently no monitoring stations within this assessment unit. VI-STJ-21 Genti Bay, nearshore B 0.0947 STJ-49 Genti Bay, NPS-21 Reef Bay VI-STJ-22 Genti Bay, offshore B 0.769 There are currently no monitoring stations within this assessment unit. VI-STJ-23 Fish Bay B 0.2103 STJ-48 Fish Bay, NPS-22 Fish Bay VI-STJ-24 Fish Bay subwatershed, offshore B 0.1824 There are currently no monitoring stations within this assessment unit. VI-STJ-25 Rendezvous Bay B 0.4677 STJ-47 Rendezvous Bay, NPS-23 Rendezvous Bay, VI204627 Klain Bay, VI402599 Hart Bay VI-STJ-26 Chocolate Hole B 0.1004 STJ-46 Chocolate Hole, NPS-24 Chocolate Hole,VI391298 Chocolate Hole VI-STJ-27 Rendezvous Bay subwatershed, offshore B 0.1863 There are currently no monitoring stations within this assessment unit. VI-STJ-28 Great Cruz Bay B 0.1396 STJ-45 Great Cruz Bay. NPS-25 Great Cruz Bay, VI779192 Great Cruz Bay VI-STJ-29 Turner Bay/Enighed Pond B, TMDL 0.057 STJ-55 Turner Bay, NPS-26 Turner Bay VI-STJ-30 Cruz Bay B 0.0674 STJ-43A Cruz Bay, North, STJ-43B Cruz Bay, South, STJ-43C Cruz Bay, North of Seaplane Ramp, STJ-43D Cruz Bay Creek North, NPS-27 Cruz Bay (ferry dock), NPS-28 Cruz Bay (airplane ramp), NPS-29 Cruz Bay (NPS dock), VI309453 Cruz Bay VI-STJ-31 Great Cruz Bay watershed, B 0.5775 VI456779 Frank Bay offshore VI-STJ-32 Southwest St. John HUC14, offshore B 10.142 There are currently no monitoring stations within this assessment unit. VI-STJ-33 Pillsbury Sound B 6.9399 STJ-OFF13 STJ West-4 VI-STC-01 Frederiksted, south B 0.0451 There are currently no monitoring stations within this assessment unit. VI-STC-02 Frederiksted Harbor C 0.035 STC-28 Frederiksted Pier, STC-29 Frederiksted Public Beach, VI970611 F’sted (Fst. Target) VI-STC-03 Lagrange subwatershed, offshore B 0.375 There are currently no monitoring stations within this assessment unit. VI-STC-04 Prosperity, nearshore B 0.1118 VI252619 Rainbow (Prosperity) VI-STC-05 Prosperity subwatershed, offshore B 0.5129 There are currently no monitoring stations within this assessment unit. VI-STC-06 Sprat Hall Beach B 0.0609 STC-30 Sprat Hall Beach, VI645288 Sprat Hall VI-STC-07 Creque Dam/Butler Bay B 0.529 There are currently no monitoring stations within this assessment unit. VI-STC-08 Hams Bay B 0.3144 There are currently no monitoring stations within this assessment unit. VI-STC-09 Davis Bay B 0.0522 There are currently no monitoring stations within this assessment unit. VI-STC-10 Hams Bluff B 0.5506 There are currently no monitoring stations within this assessment unit. VI-STC-11 Northwest St. Croix HUC14, offshore B 33.302 STJ-OFF3 STJ NW-1, STJ-OFF10 STJ John-3 VI-STC-12 Cane Bay B 0.0613 STC-32 Cane Bay, VI201013 Cane Bay VI-STC-13 Baron Bluff subwatershed B 0.3498 STC-31 Davis Bay, VI398766 Davis Bay VI-STC-14 Belvedere B 0.0557 There are currently no monitoring stations within this assessment unit. VI-STC-15 Northside subwatershed B 0.6109 There are currently no monitoring stations within this assessment unit. VI-STC-16 Salt River Lagoon, Marina B 0.0194 STC-33A Salt River Marina, STC-33C Salt River Lagoon, Marina VI-STC-17 Salt River Lagoon, Sugar Bay B 0.3244 STC-33D Salt River Lagoon, Sugar Bay VI-STC-18 Salt River Bay B 0.3229 STC-33A,B,E-J Salt River (Columbus Landing Beach), VI146901 Gentle Winds, VI558328 Columbus Landing VI-STC-19 Judith Fancy B 0.01 There are currently no monitoring stations within this assessment unit. VI-STC-20 Salt River Bay subwatershed, west B 0.2433 There are currently no monitoring stations within this assessment unit. VI-STC-21 Salt River Bay subwatershed, east B 0.8922 There are currently no monitoring stations within this assessment unit. VI-STC-22 Northcentral St. Croix HUC14, offshore B 23.61 STC-OFF4 North-2, STC-OFF11 North-4 VI-STC-23 St. Croix-By- the-Sea B 0.0727 STC- 34 St. Croix-By-the-Sea, VI738082 Pelican Cove VI-STC-24 Long Reef Backreef, west C 0.1153 STC-48 Long Reef Backreef, west VI-STC-25 Princess subwatershed, offshore B 0.4343 STC-35 Long Reef Forereef West VI-STC-26 Christiansted Harbor C 0.9601 STC-37 Christiansted Harbor Entrance West, STC-40 St. Croix Marine, STC-41 Gallows Bay, STC-42 Public Wharf, STC-43 Water Gut Storm Drain, STC-44 Protestant Cay Beach, STC-45 Christiansted Harbor, STC-46 WAPA Intake, STC-47 Mill Harbor Condominium Beach, STC-49 Long Reef Back Reef East, VI572166 Condo Row (Princess), VI359239 Protestant Cay VI-STC-27 Long Reef Forereef, east B 0.3149 STC-36 Long Reef Forereef East, STC-35A LBJ (Pump Station) Outfall VI-STC-28 Altona Lagoon B 0.2337 There are currently no monitoring stations within this assessment unit. VI-STC-29 Christiansted Harbor, east C 0.1089 STC-1 Lagoon Recreational Beach ,STC-39 Altona Lagoon Inlet, VI213332 New Fort Louise Augusta VI-STC-30 Beauregard Bay B 0.2145 STC-2 Ft. Louise Augusta Beach, STC-38 Christiansted Harbour Entrance-East, VI651587 Buccaneer VI-STC-31 Buccaneer Beach B 0.0166 STC-3 Buccaneer Hotel VI-STC-32 Altona Lagoon subwatershed, offshore B 0.6812 There are currently no monitoring stations within this assessment unit. VI-STC-33 Punnett Bay B 0.0576 VI610321 Shoy’s VI-STC-34 Punnett Point, east B 0.0223 There are currently no monitoring stations within this assessment unit. VI-STC-35 Tamarind Reef Lagoon (Southgate Lagoon) B 0.0205 STC-4 Tamarind Reef Lagoon VI-STC-36 Green Cay Beach B 0.1017 There are currently no monitoring stations within this assessment unit. VI-STC-37 Southgate subwatershed, offshore B 2.2219 STC-5 Green Cay Beach VI-STC-38 Solitude Backreef B 0.9681 There are currently no monitoring stations within this assessment unit. VI-STC-39 Teague Bay B 0.1773 STC-8 Reef Club Beach, STC-9 St. Croix Yacht Club Beach VI-STC-40 Teague Bay Backreef B 0.8547 STC-10 Cramers Park, VI351774 Cramer’s Park VI-STC-41 Buck Island Backreef A 0.7675 STC-6 Buck Island Backreef, STC-7 Buck Island Anchorage VI-STC-42 Buck Island Forereef A 3.3497 There are currently no monitoring stations within this assessment unit. VI-STC-43 Solitude and B 18.822 There are currently no monitoring Teague Bay subwatershed s, offshore stations within this assessment unit. VI-STC-44 Northeast St. Croix HUC14, offshore. B 36.088 STC-OFF8 North-3 VI-STC-45 Isaac Bay B 0.0853 There are currently no monitoring stations within this assessment unit. VI-STC-46 Grapetree Bay B 0.0425 STC-11B Isaacs Bay Forereef VI-STC-47 Turner Hole Backreef B 0.2772 STC-12 Grapetree Beach, VI297470 Grapetree Beach VI-STC-48 Turner Hole subwatershed, offshore B 16.949 STC-OFF5 East-2 VI-STC-49 Madam Carty Backreef B 0.464 STC-13B Robin Bay VI-STC-50 Madam Carty, offshore B 3.5161 There are currently no monitoring stations within this assessment unit. VI-STC-51 Great Pond B 0.1578 There are currently no monitoring stations within this assessment unit. VI-STC-52 Great Pond Bay B 1.0184 STC-13A Great Pond Bay VI-STC-53 Great Pond Bay subwatershed, offshore B 3.0288 STC-OFF13 SE-4 VI-STC-54 Leprey Valley Backreef B 0.3712 There are currently no monitoring stations within this assessment unit. VI-STC-55 Leprey Valley subwatershed, offshore B 2.8455 There are currently no monitoring stations within this assessment unit. VI-STC-56 Bugby Hole Backreef B 0.7042 STC-14A Halfpenny Bay - Manchenil ,STC-14B Halfpenny Backreef, VI931289, Halfpenny VI-STC-57 Bugby Hole subwatershed, offshore B 3.9 There are currently no monitoring stations within this assessment unit. VI-STC-58 Southeast St. Croix HUC14, offshore B 24.146 STC-OFF2 SE-1, STC-OFF10 SE-3 VI-STC-59 Canegarden Bay B 0.8542 STC-15 Canegarden Bay VI-STC-60 Canegarden Bay, offshore B 0.7933 There are currently no monitoring stations within this assessment unit. VI-STC-61 Hess Oil Virgin Islands Harbor C 0.671 STC-16 HOVENSA East Turning Basin, NW Corner, STC-17 HOVENSA West Turning Basin, NW Corner VI-STC-62 Limetree Bay B 0.7239 STC-18 Limetree Bay Container Port VI-STC-63 Martin- Marietta Alumina Harbor C 0.3228 STC-19 Krause Lagoon Channel, STC-20 Alumina Plant Dock VI-STC-64 Manning Bay/Estate Anguilla Beach B 0.0508 STC-23 Public Dump VI-STC-65 Hovensa, west B 1.2865 STC-22A Treatment Plant (POTW) Outfall STC-21 Spoils Island (Ruth Island) VI-STC-66 Hovensa subwatershed, offshore B 2.8305 There are currently no monitoring stations within this assessment unit. VI-STC-67 Southports St. Croix HUC14, offshore B 8.1966 STC-OFF9 SW-3 VI-STC-68 Bethlehem subwatershed, inshore B 0.2149 There are currently no monitoring stations within this assessment unit. VI-STC-69 Bethlehem subwatershed, offshore B 0.3971 There are currently no monitoring stations within this assessment unit. VI-STC-70 Airport, nearshore B 2.1943 There are currently no monitoring stations within this assessment unit. VI-STC-71 Airport, offshore B 4.263 STC-OFF6 South-2 VI-STC-72 Airport St. Croix HUC14, offshore B 4.1803 There are currently no monitoring stations within this assessment unit. VI-STC-73 Diamond, nearshore B 0.1699 There are currently no monitoring stations within this assessment unit. VI-STC-74 Enfield Green Beach/VIRIL Outfall B 0.1376 There are currently no monitoring stations within this assessment unit. VI-STC-75 Diamond subwatershed, offshore B 2.8479 STC-24B Rum Plant (VI Rum) Outfall VI-STC-76 Carlton Beach B 0.2447 STC-25 Long Point VI-STC-77 Long Point Bay B 0.8376 There are currently no monitoring stations within this assessment unit. VI-STC-78 Long Point Bay subwatershed, offshore B 4.9231 STC-OFF12 SW-4 VI-STC-79 Good Hope Beach B 0.1876 STC-26 Good Hope Beach VI-STC-80 Sandy Point, nearshore south B 2.0121 There are currently no monitoring stations within this assessment unit. VI-STC-81 Sandy Point, offshore south B 7.4306 There are currently no monitoring stations within this assessment unit. VI-STC-82 Sandy Point, nearshore west B 0.1158 STC-27 Sandy Point Public Beach, VI896490 Dorsch Bay, VI907985 Stony Ground VI-STC-83 Sandy Point, offshore west B 0.4875 There are currently no monitoring stations within this assessment unit. VI-STC-84 Southwest St. Croix HUC14, offshore B 18.347 STC-OFF3 SW-1 B. Classifications, Total Waters and Applicable Standardsx The information on Water Quality Criteria by Classification and pollutant are summarized in Table II. B.1, below, which closely follows the wording of Virgin Islands Rules and Regulations. Designated Uses of Class A Waters: Preservation of natural phenomena requiring special conditions, such as the natural Barrier Reef at Buck Island, St. Croix (defined within 0.5 miles of the boundaries of Buck Island’s National Barrier Reef) and the Under Water Trail at Trunk Bay, St. John. Existing natural conditions shall not be changed. Designated Uses of Class B Waters: Propagation of desirable species of marine life and for primary contact recreation (swimming, water skiing, etc.). Legal Limits of Class B waters defined as all other coastal waters not classified Class “A” or Class ”C”. In addition, those Class “B” waters not covered by color and turbidity criteria in Section 186-3(b)(11) [T. 12, Ch. 7] include: (i)St. Thomas coastal waters-Mandahl Bay (Marina), Vessup Bay, Water Bay, Benner Bay, and the Mangrove lagoon (ii)St. Croix Coastal Waters-Carlton Beach, Good Hope Beach, Salt River Lagoon (Marina), Salt River Lagoon (Sugar Bay), Estate Anguilla Beach, Buccaneer Beach, Tamarind Reef Lagoon, Green Cay Beach and Enfield Green Beach. Designated Uses of Class C Waters: Propagation of desirable species of marine life and primary contact recreation (swimming, water skiing, etc.). Legal limits of Class C Waters defined as: St. Thomas: (a) St. Thomas Harbor beginning at Rupert Rock and extending to Haulover Cut. (b) Crown Bay enclosed by a line from Hassel Island at Haulover Cut to Regis Point at West Gregerie Channel. (c) Krum Bay St. Croix: (a) Christiansted Harbor from Fort Louise Augusta to Golden Rock. (b) Frederiksted Harbor from La Grange to Fisher Street. (c) Hess Oil Virgin Islands Harbor. (d) Martin-Marietta Alumina Harbor. Table II.B.1 Summary of Virgin Islands Water Quality Criteria Pollutant Class B Class C Dissolved Oxygen Not less than 5.5 mg/l from other than natural sources Not less than 5.0 mg/l pH <8.3 Tolerable Limit>7.0 <8.5 Tolerable Limit>6.7 Temperature Less than 32° Celsius Same as Class B Bacteria Not to exceed 70 fecal coliforms per 100 ml by MF or MPN count Not to exceed a geometric mean of 35 enterococci per 100 ml., not to exceed a single sample maximum of 104 per 100 ml at any time Not to exceed 200 fecal coliforms per 100 ml by MF or MPN count Not to exceed a geometric mean of 35 enterococci per 100 ml., not to exceed a single sample maximum of 104 per 100 ml at any time Phosphorus Not to exceed 50 mg/l in any coastal waters Same as Class B Chlorine 4-day average concentration of Chlorine not to exceed 7.5 ug/l. The 1-hour average concentration of Chlorine not to exceed 13 ug/l. Same as Class B Suspended, colloidal or settleable solids None from waste water which would cause deposition or be otherwise deleterious. Same as Class B Oil and Floating substances No residue attributable to waste water. No visible film; no globules of grease Same as Class B Radioactivity Gross Beta: 1000 picocuries per liter, in the absence of Sr 90 and alpha emitters Radium-226: 3 picocuries per liter Strontium-90: 10 picocuries per liter Same as Class B Taste and Odor None in amounts to interfere with use for primary contact recreation, potable water supply or to render undesirable taste or odor to edible aquatic life Same as Class B Color and Turbidity A. A secchi disc shall be visible at a minimum depth of one meter. For waters where the depth does not exceed one (1) meter, the bottom must be visible. B. A maximum nephelometric turbidity unit reading of three (3) shall be permissible A Secchi disc shall be visible at a minimum depth of one (1) meter. There have been no changes to these Water Quality Rules and Regulations in this reporting period. Draft changes to these standards have been completed, but are currently awaiting acceptance and promulgation. Table II.B.2 Area of Water Classes by Island St. Croix St. Thomas St. John Total Class A 4.1172 sq. miles --- 0.0685 sq. miles 4.1857 sq. miles Class B 244.89 sq. miles 272.95 sq. miles 79.958 sq. miles 597.8 sq. miles Class C 2.2132 sq. miles 1.0323 sq. miles --- 3.2454 sq. miles Total 251.2204 sq. miles 273.9823 sq. miles 80.0265 sq. miles 605.23 sq. miles Figure II.B.2 Spatial Distribution of St. Croix Coastal Water Classes Figure II.B.3 Spatial Distribution of St. Thomas/St. John Coastal Water Classes Water quality standards for each class of designated use are provided in Table II.B.1. Water Quality Standards to Address Drinking Water Use Attainment The water quality standards do not address drinking water use attainment. Since most drinking water supply comes from the Virgin Islands reverse osmosis and flash desalinization plants or from traditional rainwater cisterns (still required for all new construction) most national drinking water issues directed at surface or groundwater resources are moot in the Virgin Islands. There are no water quality standards available for organic compounds (volatile, synthetic, herbicides, pesticides and PCB), inorganic compounds, unregulated chemicals, and radiological contaminants that apply to the ocean surrounding the US Virgin Islands as a drinking water source because ocean water does not fit the definition of surface water under the Safe Drinking Water Act. Standards do exist under the Virgin Islands Rules and Regulations that demand natural existing conditions for waters designated Class A remain unchanged. Waters designated Class B should not exceed 70 fecal coliform per 100mL and waters designated Class C should not exceed 200 fecal coliform per 100mL. All waters of the Virgin Islands should not exceed a geometric mean of 35 enterococci per 100 ml or not to exceed a single sample maximum of 104 per 100 ml at any time. The reason these standards are not developed in the US Virgin Islands is that drinking water is generally derived from cisterns holding rainwater at each house, or supplemented for public housing and in droughts and other emergencies by desalinization of seawater, as a co-generation by-product of the Virgin Islands Water and Power Authority. The Water and Power Authority in St. Croix maintain some public water supply wells. No surface water is used directly for any drinking water supply, although questions have been raised about whether sea water intakes of contaminated water is capable of passing bacteria contamination through the relatively low temperature (60° C) flash desalinization processes used for most public desalinization. xiii . C. Water Pollution Control Program Under the Water Pollution Control Grant (pursuant to CWA §106), the V.I. Department of Planning and Natural Resources (DPNR), Division of Environmental Protection (DEP) is entrusted with the task of monitoring the marine waters of the USVI, and controlling the discharges into those waters. To accomplish this task the Water Pollution Control Program (WPC) is organized into the following sub-programs: • TERMINAL FACILITY LICENSE AND INSPECTION PROGRAM • AMBIENT MONITORING PROGRAM • TMDL DEVELOPMENT AND IMPLEMENTATION PROGRAM • TERRIORIAL POLLUTANT DISCHARGE ELIMINATION SYSTEMS PERMITTING AND COMPLIANCE PROGRAM • VIRGIN ISLANDS BEACH MONITORING PROGRAM The two WPC sub-programs that this report will concentrate its focus on are as follows: 1. The Territorial Pollutant Discharge Elimination Systems (TPDES) Permitting and Compliance Program permits and monitors point source waste streams, which are discharged into the waters of the VI, in accordance with the VI Water Quality Standards. 2. The Ambient Monitoring Program is the primary mechanism for monitoring the Virgin Islands coastal water quality. 1. Territorial Pollutant Discharge Elimination Systems Program The Territorial Pollutant Discharge Elimination Systems (TPDES) Permitting and Compliance Program is a federally delegated program which determines what waste streams are allowed to be discharged into the waters of the Virgin Islands, TPDES Permits are issued in accordance to Title 12, Chapter 7 §184-11 of the Virgin Islands Rules and Regulations states, that “…no person shall discharge or cause a discharge of any pollutant without a TPDES permit having been issued to such person…” TPDES permits require that point source discharges of pollution be monitored by the permittee (facility), and the self-monitoring results be submitted to DPNR-DEP and the United States Environmental Protection Agency (USEPA). Additionally, DPNR-DEP conducts compliance inspections and monitoring at all facilities that have been issued TPDES permits on an annual basis to ensure compliance. There are three types of compliance inspections conducted at TPDES permitted facilities throughout the Territory - Compliance Sampling Inspections, Compliance Evaluation Inspections and Pump Station Inspections, which are conducted on a quarterly basis at the Territory’s Publicly Owned Treatment Works (POTW). If a facility is repeatedly found to be in non-compliance with its TPDES permit or has been found to violate the USVI’s Water Quality Standards, enforcement actions may be taken against the facility. The enforcement action usually outlines corrective actions necessary for the facility to return to compliance and, if deemed necessary, fines may also be assessed. Facilities that are enforced against are usually granted the opportunity to work closely with the Department to develop a compliance schedule that sets the timeline for facility will use to achieve compliance. If necessary or when requested, DPNR-DEP may work closely with the USEPA and the Department of Justice (DOJ) to address major enforcement cases. Cases this nature included an ongoing case against the Department of Public Works which is currently under Federal Consent Decree for unpermitted discharges caused by sewage treatment infrastructure problems throughout the Territory. In such cases, DEP is called upon to monitor the facility in question and produce supporting inspection reports and other pertinent documentation. Regulated discharges and discharge sites include sewage treatment plant outfalls (both public and private facilities), brine discharges from reverse osmosis (and other technology) freshwater production plants, industrial facility process water discharges, and industrial facility drainage discharge. The TPDES Program currently regulates discharges from sewage treatment plant outfalls (both public and private facilities), brine discharges from reverse osmosis, desalination freshwater production plants, industrial facility process water discharges. TPDES Program has several components, all under the auspices of the Division of Environmental Protection: • TPDES Permit Issuance; • TPDES Compliance Inspections: Compliance Evaluation (CEI), Compliance Sampling (CSI) and Pump Station Inspections (PSI); and • Enforcement TPDES Permit Issuance: Territorial TPDES permits are issued with effluent limitations pertinent to Federal and Local Regulations. The major industrial dischargers, which have permitted discharges of over 1 MGD, include, the HOVENSA Oil Refinery, VI Rum Distillery, Water and Power Authority in the St. Croix district; the Water and Power Authority and the Marriott Frenchman’s Reef on St. Thomas. The major municipal dischargers include the St. Croix POTW, Mangrove Lagoon POTW and Charlotte Amalie POTW. The TPDES Program also permits a number of minor industrial and municipal facilities. Table II.C.1 Virgin Islands Pollution Discharge Permits, 2004 and 2005 Facility Name Permit Type TPDES # Expires Anchorage Condominium Assoc. Renewal VI0040517 7-31-10 Bluebeards Beach & Villas Renewal VI0040495 7-31-10 Compass Point Marina Renewal VI0040401 7-31-10 Cowpet Bay East Condominiums Renewal VI0039900 7-31-10 Cowpet Bay West Condominiums Renewal VI0039853 7-31-10 Elysian Beach Resort Renewal VI0049321 7-31-10 Point Pleasant Resort Renewal VI0040193 7-31-10 Sapphire Bay Condominiums West Renewal VI0040029 7-31-10 Sapphire Beach Resort Renewal VI0040312 7-31-10 Sapphire Village Condominium Owner’s Assoc. Renewal VI0040029 7-31-10 Trans-Caribbean Dairy Corp. Renewal VI0039993 7-31-10 Watergate Villas Condominiums Renewal VI0040134 7-31-10 East End Boat Services (Not Constructed) New -Inactive VI0002011 7-31-10 VITELCO Recording Center (AOE submitted) Inactivated VI0040568 N/A St. Renaissance Group (St. Croix Alumina) Inactivated VI0000027 N/A Virgin Beverages (AOE submitted) Inactivated VI0040282 N/A Vessup POTW Renewal VI0020133 10-31-10 George Simmonds POTW Renewal VI0040266 10-31-10 Bordeaux POTW Renewal VI0039977 10-31-10 Brassview POTW Renewal VI0039811 10-31-10 Texaco Tutu (Superfund Site) Renewal VI0040649 8-31-10 Esso Tutu (Superfund Site) Renewal VI0040703 8-31-10 TPDES Compliance Inspections: A schedule of compliance evaluation inspections (CEI) and compliance sampling inspections (CSI) is incorporated into the WPC program work-plan. In general, DEP staff conducts a CEI and CSI at major facilities and POTWs annually. Generally, facilities with minor permits receive only an annual CEI. Table II.C.2 Summary of TPDES Activities, 2004 - 2005 FY-2004 St. Thomas/St. John St. Croix CEI 37 4 Affidavits of Exemption 12 3 Affidavits of Exemption CSI 1 3 FY-2005 St. Thomas/St. John St. Croix CEI 31 6 Affidavits of Exemption 10 2 Affidavits of Exemption CSI 1 3 Supplementary 4 2 Additional inspections are conducted at the Territorial POTWs, including the major and minor pump stations. These inspections are scheduled quarterly. Table II.C.3 Supplementary POTW Inspections: TPDES Activities, 2004 - 2005 FY 2004 Facility Name Permit # Date (CEI) Date (CSI) Bordeaux POTW VI0039977 9-23-03 1-27-04 1-28-04 Brassview POTW VI0039811 1-12-04 - Charlotte Amalie POTW VI0020040 - - Donoe POTW VI0039969 Affidavit of Exemption Mangrove Lagoon POTW VI0002003 6-03-04 9-20-04 - Nadir POTW VI0020125 Affidavit of Exemption New Cruz Bay POTW VI0040835 6-03-04 9-20-04 1-30-04 3-29-04 New Tutu POTW VI0039926 Affidavit of Exemption Old Tutu POTW VI0039918 Affidavit of Exemption St. Croix POTW VI0020036 9-30-04 2-23-04 2-24-04 2-25-04 6-21-04 6-22-04 Vessup POTW VI0020133 6-03-04 6-16-04 9-20-04 1-22-04 FY 2005 Facility Name Permit # Date (CEI) Date (CSI) Bordeaux POTW VI0039977 6-12-05 7-13-05 7-12-05 7-14-05 7-21-05 Brassview POTW VI0039811 10-27-04 12-20-04 12-21-04 1-26-05 3-10-05 3-11-05 6-22-05 6-21-05 Charlotte Amalie POTW VI0020040 4-18-05 4-19-05 Donoe POTW VI0039969 Affidavit of Exemption Mangrove Lagoon POTW VI0002003 11-15-04 12-20-04 12-21-04 3-10-05 3-11-05 - Nadir POTW VI0020125 Affidavit of Exemption New Cruz Bay POTW VI0040835 12-20-04 12-21-04 3-10-05 3-11-05 4-25-05 4-26-05 New Tutu POTW VI0039926 Affidavit of Exemption Old Tutu POTW VI0039918 Affidavit of Exemption St. Croix POTW VI0020036 10-01-04 1-19-05 3-21-05 3-29-05 3-30-05 6-06-05 6-27-05 9-15-05 6-6-05 Vessup POTW VI0020133 12-20-04 12-21-04 3-10-05 3-11-05 7-13-05 2. Other Ambient Monitoring Activities As part of the Ambient Monitoring Program, the DEP staff takes part in reviews of the Environmental Assessment Reports (EARs) submitted by individuals or groups seeking to acquire land development or earth change permits within the Coastal Zone. EARs are submitted to the DPNR-Division of Coastal Zone Management (CZM), which, in turn, distributes them to various divisions for review. If the CZM permittee's application involves potential impacts to Waters of the Virgin Islands, a Water Quality Certificate is necessary as part of the CZM permit. During this reporting period, certificates that were issued are as follows: List of Water Quality Certificates issued FY 2004-2005 2004 In the St. Croix District, there were no Water Quality Certificates issued, however 6 pre- application meetings and/or EARs were received and 2 public hearings were attended. In the St. Thomas/St. John District 17 EARs and/or Water Quality Certificates were received/issued. 2005 In the St. Croix District, there were 7 Water Quality Certificates issued, however 12 pre- application meetings were attended and/or EARs were received and 2 public hearings were attended. In the St. Thomas/St. John District, there were 9 Water Quality Certificates issued, and 15 pre-application meetings were attended and/or EARs were received and 1 public hearing was attended. During episodic monitoring, the DEP staff may sample water as a result of citizen complaint, storm event or episodic need. During this reporting period, most of these samples test for fecal coliform and/or enterococci as a result of a sewer line breaks, sewage pump station bypasses or failures, or storm events such as a hurricane or large rainfall event. For example, the following facilities were inspected (and samples taken as necessary) as a result of citizen complaints at the following locations: List of Major Episodic Monitoring events FY 2004-2005 2004 Throughout FY-04, WPC responded to numerous episodic events. These included the unusually heavy rains of November 2003, diesel contamination in the St. Croix Juan F. Luis Hospital’s cistern, a taxi bus driving off Christiansted Harbor, the Bovoni Clean-Up Taskforce and a 9,000- gallon jet fuel spill HOVENSA via an overturned tractor trailer. 2005 Throughout FY-05, WPC responded to numerous episodic events. The events generally centered on homeowners reports about failing septics, marine oil spills, sewage odors and bypasses. Some key incidents that led to enforcement actions were sewage bypasses at Secret Harbor Beach Resort and an illegal discharge/disposal of sewage by E. D. Plumbing. Frequent discharges of sewage into waters of the territory are reported to DEP. The primary cause is failure of the POTW system, which is antiquated, and in need of repair and maintenance. Electrical Generating Units (EGU) installed at minor pump stations have helped in reducing the frequency of bypasses from general power outages, however lack of maintenance to the EGU's or other system failures at the pump stations cause bypass conditions, which result in the discharge of raw sewage into waters of the Virgin Islands. Ruptures or clogs in the collector system lines also cause operators to bypass until repairs can be made. During sewage bypassing the Division of Public Works is required (TPDES Permit) to alert the public via radio, television, newspaper and post signs along the beach in the affected area. Enforcement actions taken during bypass conditions are discussed in the following section of this report. It should be noted however, that several upgrades were made to POTWs in both the St. Thomas/St. John District and the St. Croix District. Such upgrades include new treatment plants at Cruz Bay, St. John and Mangrove Lagoon, St. Thomas. In addition, several pump station equipment were repaired or replaced. Enforcement Actions: Violations within the TPDES program can come from non-compliance with permitted effluent limits, or failure to report monitoring as required by the permit. This includes any special conditions contained within the permit. For example, St. Croix POTW permit requires the permittee to take several specific actions in the event of a bypass. Violations issued by DEP during this reporting period were: Table II.C.4 Summary of TPDES Enforcement Activities, FY 2004 - 2005 2004 During FY-04, 2 enforcement actions were filed against DPW for illegal discharges and failure to maintain its pump stations. A third enforcement action was filed jointly between EPA-CEPD and DPNR-DEP against WAPA St. Thomas. Information was transmitted to Dave Dillon, EPA Criminal Investigator, for EPA’s Criminal Investigation against DPW. The following enforcement actions were served on February 24, 2004: • C-WPC-001-04: Against DPW and its contractors (General Engineering Corp., Energy Answers of Puerto Rico, St. Croix Renaissance Group, LLP., Fluid Engineering Corp. and USFilter) for sewage bypasses at three (3) major pump stations • C-WPC-002-04: Against DPW for sewage bypasses onto Renaissance Property 2005 Type of Action Against Island Date Served NOV Divi Carina Bay St. Croix 7/6/05 NOV E. D Plumbing St. Thomas 8/6/05 NOV Secret Harbor Beach Resort St. Thomas 11/16/05 VI Cement & Building St. Thomas In Development Products Westin Resort St. John In Development WPC continued to participate in the Department of Justice Teleconferences which discussed the Department of Public Works/Waste Management Authority’s compliance with the Consent Decree. Storage and Retrieval Program (STORET) DPNR-DEP continues to maintain and update its STORET database with data collected from the Ambient Monitoring Program. Data is submitted regularly to EPA Headquarters for inclusion in the national STORET data warehouse. Currently, USVI data is available by querying the national warehouse through the EPA website. The Division of Environmental Protection is in the process of developing an Environmental Exchange Network Node, which will someday replace STORET through the Water Quality Exchange (WQX). DEP will continue to use STORET until such time as WQX is ready for implementation. Comprehensive Watershed Restoration Action Strategy New guidelines request each state to develop a “comprehensive watershed assessment strategy.” The Department of Planning and Natural Resources has plans to implement this assessment in the current multi-year monitoring strategy. Attachment I to this Report is excerpted from the Unified Watershed Assessment, which is preliminary to the Comprehensive Watershed Restoration Strategy. D. Non-Point Source Program Since 1994, the Virgin Islands Department of Planning and Natural Resources, Section 319 program has worked, via Memoranda of Agreement and cooperation with partner agencies such as the Virgin Islands Resource Conservation and Development Council (VIRC&D), Virgin Islands Conservation District (VICD), University of the Virgin Islands (UVI), United States Geological Survey (USGS) and Island Resources Foundation (IRF) through the mechanism of the Virgin Islands Non-point Source Committee, to implement an active program, including activities in the five priority areas of: 1. Erosion And Sediment Control 2. Urban Run-off 3. Vessel Waste Disposal 4. On-Site Disposal Systems (OSDSs) Upgrade 5. Oil and Hazardous Material Spills. The Non-Point Source Committee has endorsed nine key objectives as described in the May 1996 Non-point Source Program and Grants Guidance For Fiscal Year 1997 and Future Years. The nine objectives of the Program are: 1. Explicit short- and long-term goals, objectives, and strategies to protect surface and ground water. 2. Strong working partnerships and collaboration with appropriated state, interstate, tribal, regional and local entities including conservation districts, private sector groups, citizen groups, and federal agencies. 3. A balanced approach that emphasizes both statewide non-point source programs and on-the- ground management of individual watersheds where water is impaired or threatened. 4. The state program: (a) Abates known water quality impairments resulting from non-point source pollution and, (b) Prevents significant threats to water quality from present and future non-point source activities. 5. Identification of waters and watersheds impaired or threatened by non-point source pollution and a process to progressively address these waters. 6. The state reviews, upgrades and implements all program components required by Section 319 of the Clean Water Act, and establishes flexible targeted and iterative approaches to archive and maintain beneficial uses of water as expeditiously as practical. 7. An identification of federal lands and activities that are not managed consistent with state non- point source program objectives. 8. Efficient and effective management and implementation of the state's non-point source program including necessary financial management. 9. A feedback loop whereby the state reviews, evaluates, and revises its non-point source assessment and its management program at least every five years. Non-point Source pollution, in the form of polluted runoff, impairs more water bodies than any other source of pollution in the Virgin Islands. Non-point source pollution in the Virgin Islands is caused by rainfall moving over and through the ground. As runoff moves, it picks up and carries away both natural pollutants and pollutants resulting from human activities. These pollutants include sediments, nutrients, pesticides, and toxic substances such as hydrocarbons and heavy metals. Eventually these pollutants are deposited in wetlands, coastal waters and ground water. There are numerous problems associated with non-point source pollution. Two of the major non-point source problems affecting the Virgin Islanders are sedimentation and bacterial contamination. • Sedimentation occurs when soil is eroded from the land surface, such as at construction sites, and deposited onto the land surface or into coastal water bodies. Sedimentation results in problems such as habitat losses and marine life mortality. • Bacterial contamination from sources such as failed septic systems, runoff from animal operations, and sewage discharged from boats can cause serious threats to human health Under the Clean Water Act, non-point source control is largely voluntary, not regulatory as is point source control. Non-point source pollution is diffuse and highly variable , depending on climate, soils, and land use practices. Special characteristics unique to the Virgin Islands such as, wet/humid tropical climate, steep slopes, short but heavy rainfall events, small insular watersheds, clayey impermeable soils, large coastline to land area ratio, proliferation of septic tanks, and large tracts of unpaved roads must be considered when addressing non-point source control. Effective control of non-point source pollution requires changes in land use practices and in personal behavior. While the impact from individual non-point sources may be small, the cumulative effects from numerous unregulated activities can significantly degrade water quality. Sediment - from dirt roads, farmlands, construction sites, urban encroachments, and other disturbed soils - is the primary non-point source pollutant threatening the islands water resources. The topography of the islands, with a combination of short steep slopes terminating in sensitive wetlands and marine environments make them susceptible to damage from even slight increases in erosion. In June 2003, the Earth Change permitting process was transferred to the Division of Environmental Protection from the Division of Building Permits. As a result, earth change applications now require the implementation of sediment control and erosion mitigation control measures. Table II.D.1 Earth Change Summary District Earth Change Applications Reviewed Earth Change Applications Approved Earth Change Applications Denied St. Croix 10/03-9/04: 413 10/04-9/05: 495 10/03-9/04: 413 10/04-9/05: 495 10/03-9/04: 0 10/04-9/05: 0 St. Thomas/St. John 10/03-9/04: 327* 10/04-9/05: 359 10/03-9/04: 327 10/04-9/05: 359 10/03-9/04: ** 10/04-9/05: 0 *: Performed by Div. of Bldg Permits : Estimated based on 2.5% per annum increase from FY 03 ** Not Available Each earth change permit location is surveyed using Global Positioning System using a hand- held Garmin GPS-V unit. This is done to accurately geolocate inspection sites and to enable the export of the data into a database. Geographic Information System (Arcview) software is used to spatially analyze locational data with respect to soil type, slope and drainage, watershed category, etc. On St. Thomas more than 70% of the land surface has a slope that exceeds 35 degrees. On St. John, about 80% of the land surface exceeds a slope of 35 degrees, and on St. Croix, about 50% of the land surface exceeds a slope of 25 degrees. The typical soil profile of the Virgin Islands is thin clayey and overlies rock. As a result the water storage capacity of the soils is small. Once the available soil moisture capacity is filled, all additional rainfall becomes runoff. As the major constituent of soil in the Territory is clay, the colloidal nature of the clays prevents them from settling readily and results in significant sediment runoff into coastal waters. The short, steep nature of the guts contributes to streamflow at several hundred locations, making physical control and removal of fine (clayey) sediments in the runoff very difficult. The US Department of Agriculture – Natural Resources Conservation Service (USDA-NRCD) has classified soils in the Virgin Islands by four hydrologic soil groups which are denoted by the letters A, B, C, and D, which refer to the runoff potential of the soil. An A soil has the lowest runoff potential and soil D has the highest. Approximately two-thirds of the area of the Virgin Islands has D soils and only about 10 % has an A or B designation. A study performed in the Fish Bay watershed (St. John) documented unpaved road surface erosion of a centimeter a year that delivered, in the case of one catchment area, some 400 metric tons of sediment to the receiving salt ponds, mangrove swamps and coastal waters. Under the Division of Environmental Protection, non-point source mitigation measures will be required and earth change plans reviewed following the technical principles described in 12 VIC § 532-2 (see Conservation Practices below) Stormwater Control The major flooding problems that occur in the Virgin Islands are largely due to increased runoff volumes associated with development and improper use and development of historic floodplains. The denuding/paving of a significant portion of urban areas has had an effect on the increased velocity and volume of stormwater runoff. Rain falling in the upstream part of a basin reaches the downstream part in less than an hour; therefore flooding can occur after short periods of intense rain. Presently, the Division of Environmental Protection is finalizing the rules to achieve consistency with Federal Storm Water Regulations and the revised VI Water Pollution Control Law. The approved regulations will be adopted upon the satisfactory implementation of the revised Territorial Pollutant Discharge Elimination System (TPDES) regulations being performed this fiscal year. The Division of Environmental Protection intends to petition EPA for General Permit authority once the TPDES regulations are satisfactorily revised. The implementation of these new stormwater regulations should be streamlined with existing earth change requirements. Conservation Practices The Non-point Source Program of the Division of Environmental Protection has funded the development of the ENVIRONMENTAL PROTECTION HANDBOOK (Wright 2002) pursuant to 12 VIC § 532-3 Conservation practices. Standards and specifications for conservation practices that have been proven effective in lessening damage from sediment and runoff are included in the handbook. Under the Non-point Source Program of the Division of Environmental Protection, Earth change plans are reviewed to determine if they meet the minimum standards required for the adequate protection and conservation of soil and water, and for water disposal in and from the construction area. Planned Development All urban development in the second tier of the coastal zone begins with an earth change application process. Urban development is the largest cause of non-point source pollution in the Virgin Islands. Because of the scarcity of flat land, especially on St. Thomas and St. John, development has taken place in areas that far exceed the typical environmental constraint of 15 percent slope. A more realistic cut-off point for development in the Territory would be areas with slopes in excess of 45 percent. Topography is therefore one of the most severe natural constraints to development in the Virgin Islands. Low-density residential districts comprise 54 percent of the land area of St. Croix, Medium density residential housing is an additional 7 percent. Almost 25 percent is zoned agricultural and about 1 percent is business and commercial. Slightly more than 5 percent is zoned for industrial uses with two-thirds of this zoned for heavy industry. The waterfront districts, mostly waterfront-pleasure, are about 2 percent of the total area. Large areas of low-density residential zones characterize the St. Croix coastline, with extensive public, industrial and agricultural districts along the south shore. St. Thomas has a high population density and a higher intensity of land use when compared to the mainland United States and even other Caribbean islands. Seventy percent of the island of St. Thomas is zoned for low density residential uses. Less than 5 percent is zoned agricultural and less than five percent is zoned industrial. The waterfront districts comprise about 4 percent of the island. More than one-half of the land area of St. John is National Park Service land. There is very little development of any kind within the park. Most of the in-holdings are low-density residential areas. For the island as a whole about 42 percent is zoned as low-density residential areas. Approximately 3 percent is zoned for medium-density residential uses. Waterfront-pleasure districts comprise 2.5 percent. Aside from a few acres of W-2 zoning, there are no industrial districts on the island. Most of the shoreline is part of the National Park while most of the privately held coastal parcels are either low-density residential or waterfront-pleasure. Table II.D.2 319 Funded Water Quality Related Projects in the USVI Organization Project Title U.S. Virgin Islands Resource Conservation and development Council, Inc. (VIRC&D) & US Dept. of Agriculture - Natural Resource Conservation Service (USDA-NRCS) The Bethlehem Old Work Reservoir: Stabilize the largest active gully on the island, controlling non-point source pollution from further impacting the ecosystem and environmental, protect the largest water retention structure imminent danger, and protect this area from excessive soil loss from wind and water erosion We Grow Food Inc. We Grow Food Project: Rehabilitate and maintain the four earthen dam / agricultural retention ponds in Estate Bordeaux Watershed– sediment trap, aquifer recharge. Island Resources Foundation Inventory of Wetlands and Riparian Areas: Update and correct the mapping of 636 wetlands in the Virgin Islands Rapid Environmental Assessment (REA) and design and test basic monitoring tools for wetland characterization St. Croix Environmental Association Control of Sedimentation via Mangrove Restoration in the Salt River Watershed: Replanting of mangroves to improve water quality in the estuary; and reestablishing the mangrove forest in Sugar Bay University of the Virgin Islands (UVI)/Water Resources Research Institute Water Quality Standards: Development of water quality standards that support the definition of “waters of the Virgin Islands” as defined in the Virgin Islands Rules and Regulations Estate Fish Bay Owner's Association Fish Bay Sedimentation and Road Erosion Project: Identified and implemented Best Management Practices (BMPs) on Estate Fish Bay roadways to address the high erosion rates that are degrading the water quality of Fish Bay and the coral reefs located therein UVI/Marine Advisory Services Study of the Mangrove Lagoon Benner Bay Area: Address issues related to demographics, solid waste and land use of the area surrounding Mangrove lagoon and Benner Bay. UVI/ Marine Advisory Services Sediment Toxic Metals Analysis at Lindberg Bay Produce baseline information on non-point pollutants at one watershed in the island of St. Thomas for future development of management guidelines UVI/ Eastern Caribbean Center Sediment Deposition, Water Quality and Coral Assessment for Coral Bay, and Botany Bay: Use standard methodology established in previous sedimentation studies in the Territory, sediment traps will be installed in specific locations within the Coral Bay APC and Botany Bay APC. These sediment traps will be monitored after large rain events and on a quarterly basis. VIRC&D & USDA-NRCS Estate Bethlehem Demonstration Project: Construction of stormwater retention structures on the primary contributories, and small retention and sediment basins on the secondary contributories. A variety of aquatic plants will be planted at each sediment basin to create wetlands that will serve as filters for the removal of pollutants and sediment VI. Dept. of Agriculture Man-made Ponds and Crop Farming: Reduce non-point source pollution entering the sea by increasing retention of water in ponds, increasing biodegradation of bio pesticides and other pollutants in the holding ponds, reducing run off, controlling erosion of spillways and harvesting water for farming Watershed Approach The Virgin Islands submitted its Unified Watershed Assessment report pursuant to the Clean Water Action Plan in September 1998 (Anon. 1998). The report includes a detailed listing of the various watersheds with their Watershed Restoration Priorities (WRP). More detailed assessments of condition in the most critical watersheds requiring restoration will be developed as part of the Watershed Restoration Strategies program beginning in FY 1999 xiv . Subsequently, DPNR completed its draft Watershed Restoration Action Strategies (WRAS) Report (Anon. 2000). A joint objective of the Unified Watershed Assessment program and the water protection programs is to design mutually re-enforcing reporting systems that integrate the watersheds of the Unified Watershed Assessment with the Waterbodies and Segments of the Water Quality Assessment and Assessment Database. Coordination with Other Agencies The Unified Watershed Assessment provides a comprehensive status assessment of Virgin Islands watersheds and evaluates whether the watersheds are increasing stresses on Territorial waters. The statements published in the Unified Watershed Assessment, relating to conditions in the watersheds can be used as a contributing factor to determine which assessment units will be on the 303(d) list of impaired water bodies. Agricultural operations receive scrutiny in a similar fashion. If a water quality violation triggers an area investigation and a farming operation is suspected to be the cause of the water quality decline, DPNR staff will perform an assessment of the facility, including identification of problems and suggested remedies with a specified timeframe for compliance. This corrective action could also involve other interested agencies including the Department of Agriculture, the National Resources Conservation Service (NRCS) and the University of the Virgin Islands Cooperative Extension Service (UVI-CES). Federal programs, like Superfund, Resource Conservation and Recovery Act (RCRA) and UST, have not been delegated to the territory. Therefore, the Virgin Islands receives EPA Region 2 input for events that would normally trigger actions under these federal programs (e.g. spills of solvents, oil-derived products and other hazardous substances affecting soils and groundwater). Additionally, regular sampling of ambient coastal water quality is performed, recorded and archived by the USGS-Biological Resources Division (BRD) in waters under the Virgin Islands National Park Service (VINPS) control in St. John, other sites adjacent to St. John, and around Buck Island, St. Croix. Cost/Benefit Assessment An assessment of the costs and benefits of the Water Pollution Control program for the reporting period would include: Costs: Administration of all Water Programs, FY 2004; approximately $900,000 Administration of all Water Programs, FY 2005, approximately $900,000 Benefits: Value of improvements in recreational fishing Value of improvements in commercial fishing Number of coastal waterbody miles improved to fully supporting designated uses. Reduced cost of drinking water treatment or purchases of bottled potable water due to cleaner intake water and greater security of WAPA-produced water. Recreational value of increased use of beaches Value of increases in recreational boating Special Concerns and Recommendations 2006 Virgin Islands Water Quality Assessment Concerns xvi 1) Timely Disbursement (or lack) of federal funding to the VI Government for Workplan activities (contractual support services: laboratory analysis and equipment maintenance and repair; equipment and supplies purchases; and personnel training) 2) EPA Prescribed Assessment Methodolgy does not suit the historical and present Virgin Islands monitoring approaches. Coastal waters in their present Assessment Unit Delineation and monitoring frequency were not designed to support the EPA methodology. Statistically relevant assessments methods cannot be applied with the combined complications posed by the EPA assessment methodology and the current VI AU delineation and monitoring methodology in the Virgin Islands. 2006 Virgin Islands Water Quality Assessment Recommendations: • Federal funding needs to arrive in a timely manner to effectively implement the water quality monitoring across an appropriate temporal range. • DPNR must redesign the monitoring approaches based on the latest EPA Prescribed Assessment Methodolgies. E. Oil and Hazardous Materials 1. Underground Storage Tank Program The Underground Storage Tank Program has undergone management changes during fiscal year 2003-2004 and has undergone a considerable amount of progress during this time. Draft regulations are in development to support the Underground Storage Tank Act (12 V.I.C. §§ 651-684) that authorizes the Virgin Islands Department of Planning and Natural Resources to manage the underground storage tank program. A permitting program was implemented by 12 V.I.C. §§ 658-660 in order to better track UST systems and their compliance status. The program requires all UST facilities to apply for permits to use/operate, upgrade, and close their systems; in addition EPA notifications are required with each application. Presently, compliance is the main ambition of the UST program. DPNR is working with each service station to promote compliance efforts in terms of financial responsibility and sufficient leak detection monitoring. To date without sufficient leak detection monitoring at service stations on St. Croix financial responsibility may pose to be a challenge. These issues are important to ensure the protection of the island’s groundwater and DPNR in working to ensure that satisfactory leak detection monitoring will be conducted in the future. In doing so, DPNR intends to determine the full extent of leaking USTs within the territory. The Leaking Underground Storage Tanks (LUST) program is an important issue to be addressed. The program is implemented, however, and the status list needs to be updated. DPNR has incomplete files and updated records regarding many aspects to the program, but is working hard to remedy this lack of information. Unfortunately, UST/LUST statistics are not updated for FY 2004-2005. The LUST list to date is as follows: St. Croix 1. Texaco-Midway s/s 2. Esso-Estate Glynn 3. Esso-WAPA 4. Esso-Farmingdale s/s 5. Esso-Estate Mint s/s 6. Esso-Hassan s/s 7. LaRaine s/s 8. VI Seaplane Shuttle 9. Green Cay Marina St. Thomas 1. Esso-Devcon 2. Esso-Gottlieb s/s 3. Esso-One Stop Sugar Estate s/s 4. Esso-Nadir s/s 5. Esso-WICO 6. Texaco-Tutu s/s 7. Texaco-Pollyberg s/s 8. Ramada Yacht Haven St. John 1. Texaco-Cruz Bay 2. Domino Oil-E.C. Gas DPNR is investigating the status to date on each of these sites. UST enforcement is in full force. A Civil Action Penalty Matrix was drafted for the program and an enforcement policy has been initiated. DPNR has issued Notices of Violation to eight (8) service stations on St. Croix due to the lack of permits (and little/no attempt to apply). On St. Thomas and St. John a NOV is in draft for both ESSO and Texaco for failure to notify the department for a suspected/confirmed release at a few of their stations. 2. The Used Oil Program Under Section 1553(g) of the Virgin Islands Code, the US Virgin Islands Government DPNR is authorized to enforce provisions related to environmental effects of waste disposal, resource recovery and hazardous wastes. Under Section 1560 of the Virgin Islands Code, the Commissioner of DPNR exercised his authority to promulgate rules and regulations for a Used Oil Collection Program under Title 19, Part VI, Chapter 56 of the Virgin Islands Rules and Regulations. This program was initiated under the Division of Environmental Protection during the beginning of this reporting cycle. To date, the Used Oil Program has already documented and issued used oil permits to 175 facilities territory wide. Table II.E.1 List of Current Used Oil Permit Holders 001 12/31/2004 Allenton Auto Repairs St. Thomas 003C 12/31/2006HOVENSA St. Croix 004T 12/31/2003Nadir Esso Service Center St. Thomas 006C 12/31/2007V.I. Department of Public Works (Annas Hope) DIY St. Croix 007C 12/31/2003Public Works (Concordia) St. Croix 007CT 12/31/2007VI Regulated Waste Management St. Croix 008CT 12/31/2005Public Works (Annas Hope) St. Croix 009C 12/30/2004Western Auto (STX) St. Croix 011CX 12/31/2003Cruzan Environmental Services St. Croix 018C 12/31/2005Marine Spill Response Corporation St. Croix 030C 12/31/2004Bill Auto Repair & Maintenance St. Croix 031C 12/31/2004H.H. Tire Sales St. Croix 032C 12/31/2004Tropical Cars of St. Croix Inc. St. Croix 033C 12/31/2003Rodney's Auto Repair St. Croix 035C 12/31/2003St. Croix Foreign Auto Sales Corp St. Croix 036C 12/31/2003St. Croix Radiator St. Croix 037R 12/31/2004Caribbean Auto Mart, Inc (STT) St. Thomas 037T 12/31/2004Caribbean Auto Mart St. Thomas 038C 12/31/2004St. Croix Dairy Products, Inc. St. Croix 039T 12/31/2004It's Black It's White St. Thomas 041T 12/31/2004East End Wreck Shop St. Thomas 045C 12/31/2004Sun Sea & Sand Car Dealer St. Croix 046T 12/31/2004Sun, Sea & Sand Leasing & Sales St. Thomas 047T 12/31/2004Diesel Dynamic Plus Inc. St. Thomas 049T 12/31/2004Tropical Marine Inc ST. Thomas 051T 12/31/2004HI Performance Auto Repair St. Thomas 052T 12/31/2004Gas Station Auto Repair St. John 056T 12/31/2005N & S Auto Services St. Thomas 057T 12/31/2006PM's Auto Inc. St. Croix 058C 12/31/2007VI Regulated Waste Management, Inc St. Croix 061J 12/31/2005Coral Bay Marina Services Inc. St. John 062TT 12/31/2005Puerto Rico Used Oil Collectors Inc San Juan, PR 063T 12/31/2005Crown Bay Marina St. Thomas 064C 12/31/2005A & G Tire & Auto Service St. Croix 065T 12/31/2005Community Motors Inc. St. Thomas 066T 12/31/2005John's Auto Center Inc. ST. Thomas 067T 12/31/2005Yacht Haven (Long Bay Partners) St. Thomas 068T 12/31/2005Budget Car Rental St. Thomas 069TT 12/31/2005Green Hornet Environmental Management Inc St. Thomas 071C 12/31/2005Caribbean Auto Mart St. Croix, Inc St. Croix 072TT 12/31/2005VI Regulated Waste Management, Inc St. Thomas 073T 12/31/2005American Yacht Harbor Marina St. Thomas 074C 12/31/2005Metro Motors St. Croix 075T 12/31/2005A.J. System St. Thomas 075T 12/31/2005SK Cove St. Thomas 076T 12/31/2005Sapphire Beach Resort Marina St. Thomas 077T 12/31/2005Renaissance Hotel aba St. Thomas Palace Resort St. Thomas 077T 12/31/2005CTF Hotel Management Corp St. Thomas 078C 12/31/2005Stanley & Stanley St. Croix 079T 12/31/2005Marriott Frenchman's Reef & Morning Star Beach Resort St. Thomas 080T 12/31/2006V.I. Port Authority, Transportation (STT) St. Thomas 081C 12/31/2005V.I. Army National Guard (STX) St. Croix 082T 12/31/2005V.I. Army National Guard (STT) St. Croix 083C 12/31/2005St. Croix Marine St. Croix 086C 12/31/2005Gold Coast Yachts Inc. St. Croix 087J 12/31/2005Westin St. John Hotel Company, Inc St. John 088J 12/31/2005E. C. Gas & Service Station, Inc. St. John 089T 12/31/2005Leonard's Auto Repairs St. Thomas 090T 12/31/2005Contran Resorts, Inc. dba Mahogany Run Golf Course St. Thomas 090T 12/31/2005Mahogany Run St. Thomas 091J 12/31/2005Barry's Auto Service Center St. John 092T 12/31/2006School Busing, Inc St. Thomas 093C 12/31/2005Chitolie Trucking & Equipment St. Croix 094T 12/31/2005Tropical Automotive Repair St. Croix 094T 12/31/2005Hertz Rent A-Car St. Thomas 096T 12/31/2006Bussue Auto & Repair St. Thomas 097C 12/31/2006Buccaneer Hotel St. Thomas 098J 12/31/2006Caneel Bay Resort St. John 098T 12/31/2006Western Auto Supply Co (STT) St. Thomas 099T 12/31/2006St. Thomas Concrete St. Thomas 100C Peters Rest Texaco Svc Station St. Croix 100T 12/31/2005Ge-Tech Auto Repair St. Thomas 101T 12/31/2006Patrick Charles Enterprises Inc. St. Thomas 101T 12/31/2005Valrick Charles Enterprises, Inc. St. Thomas 102T 12/31/2006La Vida Marine Center L.P/B.J. Management St. Thomas 103C 12/31/2005Budget Car Rental St. Croix 103T 12/31/2006The Auto Clinic St. Thomas 104T 12/31/2006Public Works (#8 Subbase) St. Thomas 104T 12/31/2006V.I. Department of Public Works (Sub Base) St. Thomas 104TT 12/31/2006V.I. Department of Public Works (Subbase) Trans St. Thomas 105J 12/31/2006Public Works (susanaberg) St. John 105J 12/31/2006V.I. Department of Public Works (St. John) St. Thomas 106T 12/31/2006Public Works (Bovoni) St. Thomas 106T 12/31/2006V.I. Department of Public Works (Bovoni) St. Thomas 108T 12/31/2006American Eagle dba Exceutive Airlines St. Thomas 109T 12/31/2006U.S. Postal Service St. Thomas 110T 12/31/2006Domino Oil Co. Inc. St. Thomas 111T 12/31/2006Auto Excellence St. Thomas 112T 12/31/2006VI Enterprises, Inc. (Avis) St. Thomas 113J 12/31/2006Boyson Inc St. John 114T 12/31/2006Florida Coca Cola Bottling Comp.-St. Thomas St. Thomas 115C 12/31/2006Bohlke International Airways St. Croix 116T 12/31/2006Dependable Car Rental St. Thomas 117T 12/31/2006Four Star Aviation, Inc. St. Thomas 118J 12/31/2006P&S Trucking & Water Delivery St. John 119T 12/31/2006Metro Motors St. Thomas 120T 12/31/2006Automotive Enterprises Inc. dba Midas St. Thomas 120T 12/31/2006Midas St. Thomas 121T 12/31/2006Wyndham Sugar Bay Resort St. Thomas 122T 12/31/2006V.I. Housing Authority St. Thomas 123T 12/31/2006Compass Point Marina, Inc. St. Thomas 124T 12/31/2006Amco Auto Sales & Service Inc. St. Thomas 125J 12/31/2006Varlack Ventures, Inc St. John 125T 12/31/2006Motor Trend St. Thomas 126C 12/31/2006Bates Trucking & Trash Removal St. Croix 126T 12/31/2006Crowley Liner Services (STT) St. Thomas 127C 12/31/2006Better Engine Svc & Tire Inc St. Croix 128C 12/31/2006Zenon Construction Corp. St. Croix 129C 12/31/2006Thrifty Car Rental St. Croix 129T 12/31/2006St. John Development dba Texaco St. John 129T 12/31/2006O' Connor Car Rental* St. John 130C 12/31/2006Hendricks International Inc. St. Croix 130T 12/31/2006United Brothers Trucking St. Thomas 131C 12/31/2006Centerline Car Rental St. Croix 131T 12/31/2006University of the Virgin Islands (STT) ST. Croix 132C 12/31/2006Karim Service Station 132T 12/31/2006Ritz-Carlton Resort St. Thomas 133C 12/31/2006WAPA Maintenance St. Croix 133C 12/31/2006V.I. Water & Power Authority St. Croix 133T 12/31/2006Air Center Helicopters St. Thomas 134C 12/31/2006Ambramson Enterprises 134T 12/31/2006Air St. Thomas St. Thomas 135C 12/31/2006Virgin Islands Rum St. Croix 135T 12/31/2006Bohlke International Airway, Inc. St. Thomas 136C 12/31/2006Flemings Transport Company, Inc St. Croix 136T 12/31/2006Pueblo Supermarket St. Thomas 137C 12/31/2006VI Paving, Inc St. Croix 137T 12/31/2006Tutu Texaco Service Station Inc St. Thomas 138T 12/31/2006Discount Water Deliveries and Trucking Services St. Thomas 139T 12/31/2006Challenger's Transport St. Thomas 140C 12/31/2006Caribout aka Florida Coca-Cola Bottling Company St. Croix 140T 12/31/2006Chuck Kline Water St. Thomas 141C 12/31/2006Seaborne Airlines St. Croix 142C 12/31/2006Europa Motorworks St. Croix 142T 12/31/2006Cowpet Bay West 143C 12/31/2006Anthony Auto Repair & Maintenance St. Croix 143T 12/31/2006Sanitary Trashmoval Services Inc. 144C 12/31/2006Antilles Gas (STX) 145C 12/31/2006Human Services maintenance St. Croix 145T 12/31/2006Antilles Gas (STT) St. Thomas 146C 12/31/2006Olympic Rent-A-Car St. Croix 146T 12/31/2006Innovative Telephone St. Thomas 148C 12/31/2006A+ Auto Repair St. Croix 149C 12/31/2006P.M. Auto St. Croix 149T 12/31/2007Castillo Auto Repair St. Thomas 150C 12/31/2006Champion Auto Part 150T 12/31/2007VI Recycling Company St. Thomas 151C 12/31/2006MARCO St. Croix, Inc. Water and Trucking Services St. Croix 151T 12/31/2007Matthews Auto Repairs St. Thomas 152C 12/31/2006David's Auto Repair St. Croix 153C 12/31/2006Paradise Waste Systems, Inc. St. Croix 154C 12/31/2006Tonges Concrete 155C 12/31/2006Frank's Garage St. Croix 156C 12/31/2006V.I. Housing Authority (STX) St. Croix 157C 12/31/2006VI Cement & Building Products Inc. St. Croix 157C 12/31/2006M &T Trucking Services St. Croix 159C 12/31/2006H & H Avionics 160C 12/31/2006Bunkers of St. Croix, Inc. St. Croix 161C 12/31/2006Welco Gas Station St. Croix 162C 12/31/2006Roach Auto Service Inc. St. Croix 163C 12/31/2006Department of Public Works (Maintenance) St. Croix 164C 12/31/2006Innovative Telephone Company St. Croix 165C 12/31/2006Divi Carina Bay Resort St. Croix 166C 12/31/2006Monarch Heavy Equipment Rental St. Croix 168C 12/31/2007Unique Auto Repair St. Croix 169C 12/31/2007University of the Virgin Islands )STX) St. Thomas 170C 12/31/2007Francis Water Services St. Croix 171C 12/31/2007Ramco Transmission Repair St. Croix 172C 12/31/2007Old Time Auto Repair Shop St. Croix 173C 12/31/2007Tonn Motor Corp. St. Croix 174CT 12/31/2007Chitolie Trucking Equipment St. Croix 175CT 12/31/2007M & T Trucking St. Croix F. Wetlands Inventory Project The inventory of the USVI wetlands and associated riparian areas is a joint project between UVI Conservation Data Center, Island Resource Foundation and Eastern Caribbean Center of the University of the Virgin Islands, under supervision of the Virgin Islands Department of Planning and Natural Resources (DPNR). It was created as a response to questions from Region 2 Coastal Zone Management Program, the Division of Coastal Zone Management (CZM) and the Division of Environmental Protection (DEP) of the Virgin Islands Department of Planning and Natural Resources (DPNR). The inventory is meant to serve the medium and long-term management needs of the Territory’s unified watershed management strategies and processes. The overall project is divided into two phases: Phase 1 is the design and testing of indicators suitable for the general description and characterization of wetlands in the US Virgin Islands and Phase 2 is the compilation of an overall territorial database for wetlands. The inventory project begins with a database of 636 wetlands as mapped in the Conservation Data Center’s Rapid Environmental Assessment (REA) of the US Virgin Islands. The objectives of the project are to update and correct the mapping of 636 wetlands in the Virgin Islands Rapid Environmental Assessment (REA) and design and test basic monitoring tools for wetland characterization in the US Virgin Islands. The monitoring tools should be applied to eighteen reference watersheds distributed in three broad classes for each island (undisturbed, highly disturbed and intermediate disturbed). The level of disturbance is based on the interpretation of the data produced by the Territory’s Unified Watershed Assessment, the Watershed Priority Action Strategies and recent 305(b) Integrated Water Quality Assessment Reports. The monitoring tools will provide the inventory indicators based on the following measures: A. Instrument measurement of wetland water characteristics (temperature, conductivity, salinity, pH, dissolved oxygen and turbidity); B. Laboratory analysis of water quality for fecal coliform bacteria and TKN measurement of nutrients; C. Indicator of the functioning wetland of wetland vegetative classes; D. Index of the Biological Integrity as wetlands and watershed scale; E. Wetland sediment core measures. The sampling was scheduled to occur during the autumn season when wetlands are presumed to be wet during a full daylight periods (between two hours or more after sunrise and two hours or more before sunset). The field tests were scheduled for 5 months from October 2003 to February 2004. Phase 1 is complete at the time of writing this report. Funds have been identified to start Phase 2; the project will commence upon drafting of a request for proposals and awarding of funds. G. Water Quality Management Planning Program The Water Quality Management Planning (WQMP) Program was created in 2000. Under the WQMP Grant (pursuant to CWA §604(b)), the V.I. DPNR-DEP is entrusted with the task of planning and implementing Water Quality Management Projects to ensure the protection of the marine waters of the USVI. Several duties that were formerly under the auspices of the Water Pollution Control Program were placed under the WQMP. The Storage and Retrieval of Water-Related Data (STORET) program is managed and updated by the Water Quality Management Planning Program and has been operating successfully for some time now. Data is easily extracted whenever necessary and data dumps are sent regularly to EPA Headquarters to be uploaded to the national STORET data warehouse. STORET plays a vital role in water quality assessment and reporting. The Assessment Database (ADB) was fully implemented once the Virgin Islands defined assessment units for more comprehensive water quality assessments. ADB is a valuable tool for storing assessment information and retrieving it for reporting purposes. Research Triangle Institute released ADB version 2 for 2002. The data stored in ADB v. 2 is more accurate thanks to the VI Standard Waterbody Delineation project. The VI has been steadily upgrading ADB v. 2 as necessary. The most current version of ADB is ADB v2.2 H. Coral Reef Monitoring A number of agencies, including the United States Virgin Islands Government, have done sparse monitoring of coral reefs in the waters of the Virgin Islands for some time. Recently, the US Virgin Islands has identified a need to implement an intensive, long-term monitoring system. Coastal Zones Management (CZM), a division of the VI Department of Planning and Natural Resources, prepared a proposal to the National Oceanic and Atmospheric Administration and received grant money to implement a long-term monitoring system. According to the last available Coastal Zones Management Coral Reef Management report (obtained from their website at http://www.viczmp.com) a grant in the amount of $88,000 was prepared for the task of filling gaps in monitoring coverage of U.S. Coral Reef Ecosystems. Information to be obtained include: 1. Quantitative data on the amount of living coral, algae and other organisms on the reef; 2. Information on the condition of coral colonies such as the presence of disease or bleaching; 3. Survey of macro invertebrates (Sea Urchin, Diadena antillarum) and; 4. Census of reef fishes, particularly commercially important groupers and snappers. The Coral Reef Monitoring project is conducted under a memorandum of agreement between DPNR and the University of the Virgin Islands. Data collected from this project was used in a report to the National Oceanographic and Atmospheric Administration (NOAA) entitled “Status of Coral Reefs in the U.S. Virgin Islands”. The project is still in its planning phase, but it is anticipated that once monitoring begins the project will steadily produce biological data. The Government of the Virgin Islands embarked on a project to develop a Marine Park System Plan for the territory. This project had five main components: Preparation of a Marine Park System Plan for the USVI; 2. Preparation of a Resource Description Report for the marine environment in the USVI; 3. A Socio-economic Assessment of the uses and users of the marine resources in the USVI; 4. Preparation of a Management Plan for the proposed marine park for the east end of St. Croix; and 5. Preparation of an information brochure about the marine parks. A Marine Park Management Plan was completed on July 18, 2002. While the Marine Park is not specifically for the monitoring of coral reefs, the overall goal of the Marine Park Project is to establish the objectives, policies, and procedures for management of marine resources within the territorial waters of the U.S.V.I., through the development of marine protected areas. The Marine Park celebrated it’s grand opening in October 23, 2003. The Department of Planning and Natural Resources must still promulgate a set of rules and regulations governing the use of the park, devise enforcement mechanisms and secure funding to run the park. As of April 4, 2006, those rules and regulations exist in draft. Figure II.H.1 Map of the St. Croix East End Marine Park, 2006 (provided by the Virgin Islands Coastal Zone Management Program). Through CZM, the US Virgin Islands regularly participates in meetings with the U.S. Coral Reef Task Force. Presidential Executive Order #13089 to lead U.S. efforts to preserve and protect coral reef ecosystems established the United States Coral Reef Task Force (CRTF) in 1998. The CRTF is set to have its 16th meeting on St. Thomas, US Virgin Islands between October 24-28, 2006. This will be the first CRTF meeting held in the territory of the US Virgin Islands since the 3rd meeting held on St. Croix in November 1999. These meetings provide a venue to report on the status of ongoing coral reef initiatives in local areas, an opportunity to discuss resolutions and the status of past resolutions, and allow for public participation regarding coral reefs and coral reef conservation. The US Virgin Islands’ participation in the CRTF was instrumental in response to a major coral bleaching event that started in October 2005. CRTF coordinated efforts among the National Oceanographic and Atmospheric Administration (NOAA), the Department of the Interior (DOI), other federal agencies, non-governmental organizations and local Caribbean managers to assess short and long term impacts of this event. As a result of a meeting held in the USVI, local environmental agencies and organizations committed to meet, form regional teams, draft response plans outlining the geographical responsibilities of each researcher/field team, and develop a plan of action (from funding to field activities to outputs) before bleaching occurs again. Figure II.H.2 2005 Caribbean Percent Colonies Bleached By Pixel Image provided courtesy of NOAA At the last CRTF meeting held in Washington, D.C. on May 6, 2006, the National Marine Fisheries Service announced its decision to list elkhorn (Acropora palmata) and staghorn corals (Acropora cervicornis) as threatened under the Endangered Species Act (ESA). DPNR will take great care to consider this, as well as the bleaching event that started in October 2005, as it extends and expands its various water monitoring programs in the future. I. Other Non-Point Source Activities 1. Education Outreach/ Non-point Source Newsletter In order to increase the awareness of non point source pollution among school children, presentations were made reaching a majority of students. University of the Virgin Islands staff working with VI Education Department staff developed presentations on non-point source pollution and ways to prevent it. DPNR-DEP will continue to guide the activities of the NPS Committee to address NPS issues in the Territory and participate in various educational and environmental events to promote NPS awareness within the community and schools. 2. Public information dissemination/outreach The Division of Environmental Protection added an Environmental Education and Outreach program during this cycle. The Environmental Education program has since been involved in numerous outreach projects (in most cases in conjunction with other DEP programs) including: used oil drives, elementary and high school presentations, environmental public service announcements, and the Non Point Source Conference. DEP has also been actively utilizing their website located at http://www.dpnr.gov.vi in order to disseminate information to the public, solicit comments on public documents, and inform the public of happenings within the Division. Funded by Section 319 grant money, the quarterly publication of the Non-point Source Newsletter has been continuously published since December 1997. Its purpose is to educate and inform the public about the programs of the Non-point Source Committee and to increase the awareness of the different aspects of non-point source pollution. The newsletter was published regularly throughout this reporting period. 3. 9th Annual NPS Conference The 9th Annual Non Point Source Conference was held on November 28-30, 2005 at the Westin St. John Resort and Villas. The conference brought together individuals involved in pollution prevention, resource conservation, research, and economic development in the Virgin Islands to examine environmental issues in the territory and throughout the Caribbean. Community groups, farmers, government personnel, members of the construction and boating industries, non-governmental organizations, researchers, students and vendors were all invited to participate. PART III. SURFACE WATER MONITORING & ASSESSMENT A. Surface Water Monitoring Program DPNR-DEP work plans require quarterly monitoring of seventy-seven (77) stations around St. Croix, sixty-six (66) stations around St. Thomas, and twenty-four (24) around St. John. These sites are located offshore and are sampled by WPC staff using a vessel. DPNR-DEP expanded the monitoring network to include deep-water offshore sites at the outer rim of the USVI’s three-mile boundary. Some sites in the St. John network were abandoned in this reporting cycle due to their location within the jurisdiction of expanded federal waters of national parks and monuments. 1. Monitoring Sites Table III.A.1 167 Virgin Islands Ambient Monitoring Sites St. Croix 77 Sites Stations Class Location Stations Class Location STC-1 B Lagoon Recreational Beach STC-29 B Magic Isles Beach Resort STC-2 B Ft. Louise Augusta Beach STC-30 B Sprat hall Beach STC-3 B Buccaneer Hotel STC-31 B Davis Bay STC-4 B Tamarind Reef Lagoon STC-32 B Cane Bay STC-5 B Green Cay Beach STC-33a B Columbus Landing (Salt River) STC-6 A Buck Island Beach STC-33b B Shallow Grass bed (Salt River) STC-7 A Buck Island Anchorage STC-33c B Salt River Marina (Salt River) STC-8 B Reef Club Beach STC-33d B Sugar Bay (Salt River) STC-9 B St. Croix Yacht Club Beach STC-33e B Deep Grass Bed (Salt River) STC-10 B Cramer’s Park STC-33f B Beach (Salt River) STC-11b B Isaac Forereef STC-33g B NOAA Dock (Salt River) STC-12 B Grapetree Beach/Turner Hole STC-33h B Bird Sanctuary (Salt River) STC-13a B Great Pond STC-33i B Steeple (Salt River) STC-13b B Robin Bay Backreef STC-33j B Cove (Salt River) STC-14a B Halfpenny Bay-Manchinel STC-34 B St. Croix By the Sea STC-14b B Halfpenny Backreef STC-35 B Long Reef, Forereef W STC-15 B Canegarden Bay STC-36 B Long Reef, Forereef E STC-16 C Northwest End, Hess E Channel STC-37 B Christiansted Harbor Entrance W STC-17 C Northeast End, Hess W Channel STC-38 B Christiansted Harbor Entrance E STC-18 C Limetree Bay STC-39 C Altoona Lagoon Inlet STC-19 C Krause Lagoon Channel STC-40 C St. Croix Marine Marina STC-20 C Martin Marietta STC-41 C Gallows Bay STC-21 B Spoils Island Channel STC-42 C Public Wharf STC-22a B Treatment Plant Outfall STC-43 C Water Gut STC-22b B Outfall Break STC-44 C Protestant Cay Beach STC-23 B Public Dump STC-45 C Christiansted Harbor STC-24a B Texaco Buoys STC-46 C V. I Water and Power STC-24b B Rum Plant Outfall STC-47 B Mill Harbor Condominiums STC-25 B Carlton Beach STC-48 B Long Reef Backreef W STC-26 B Good Hope Beach STC-49 B Long Reef, Old Outfall STC-27 B Sandy Point Public Beach Resort STC-50 B Long Reef, Old Outfall STC-28 C Frederiksted Public Dock STC-51 C King Cross Street, Storm Drain STC-OFF1 B NW-1 STC-OFF2 B SE-1 STC-OFF3 B SW-1 STC-OFF4 B North-2 STC-OFF5 B East-2 STC-OFF6 B South-2 STC-OFF7 B West-3 STC-OFF8 B North-3 STC-OFF9 B SW-3 STC-OFF10 B SE-3 STC-OFF11 B North-4 STC-OFF12 B SW-4 STC-OFF13 B SE-4 St. Thomas 66 Sites Stations Class Location Stations Class Location STT-1 C Crown Bay, near outfall STT-21b B Red Bay STT-2 C Crown Bay, tamarind outlet STT-22a B Red Hook Bay STT-3 C Sub-Base STT-22B B Vessup Bay STT-4 B Krum Bay STT-23 B Great Bay STT-5a B Lindbergh Bay, E STT-24 B Cowpet Bay STT-5b B Lindbergh Bay STT-25 B Nazareth Bay STT-6a B Dump (Station Eliminated) STT-26 B Benner Bay STT-6b B Airport/College Cove STT-27a B Mangrove Lagoon STT-6c B SW Roads near Red Point Out STT-27b B Mangrove Lagoon STT-6d B Flat Cay, NE corner STT-28a B Bovoni Bay STT-7a B Brewers Bay STT-28b B Bolongo Bay STT-7b B Perserverance Bay STT-29a B Frenchman’s Bay STT-8 B Fortuna Bay STT-29b B Limetree STT-9 B Botany Bay STT-30 B Morning Star Bay STT-10 B Stumpy Bay STT-31a B Flamboyant Cove STT-11 B Santa Maria Bay STT-31b B Hassel Island, of Navy dock STT-12 B Caret Bay STT-31c B Hassel Island, Careening Cove STT-13 B Dorothea STT-32a C Long Bay, S Dolphin STT-14 B Hull Bay STT-32b C Long Bay, NE Corner STT-15a B Magens Bay, NE STT-33 C Long Bay, off Outfall STT-15b B Magens Bay, NW STT-34 C Long Bay, off Pump Stations STT-16a B Mandahl Bay STT-35 C Garden Bay STT-16b B Mandahl Bay Marina STT-36 C STT Harbor, Coast Guard STT-17a B Springs Bay STT-37 C St. Thomas Harbor, Cay Bay STT-17b B Sunsi Bay STT-38 C Haulover Cut STT-18 B Coki Bay STT-39 B Water Isle, E Gregerie Channel STT-19 B Water Bay STT-40 B Water Isles, Hotel Beach STT-20 B Smith Bay STT-41 B Water Isles, Flamingo Bay STT-21a B St. John Bay STT-42 B Water Isles, Sprat Bay STT-OFF1 B STT NW-1 STT-OFF2 B STT SW-1 STT-OFF5 B STT North-2 STT-OFF6 B STT North-2 STT-OFF8 B STT South-3 STT-OFF9 B STT NW-3 STT-OFF11 B STT SW-4 STT-OFF12 B STT NE-4 St. John 24 Sites Stations Class Location Stations Class Location STJ-43a B Cruz Bay, North of Pier STJ-47 B Rendezvous Bay STJ-43b B Cruz Bay, South of Pier STJ-48 B Fish Bay STJ-43c B Cruz Bay, Creek, Seaplane STJ-49 B Genti Bay STJ-43d B Cruz Bay, Creek, North STJ-50 B Little Lameshur Bay STJ-44a A Trunk Bay STJ-51 B Great Lameshur Bay STJ-44b B Hawksnest Bay STJ-52 B Salt Pond Bay STJ-44c B Cinnamon Bay STJ-53 B Coral Bay STJ-44d B Francis Bay STJ-54 B Caneel Bay STJ-45 B Great Cruz Bay STJ-55 B Turner Bay STJ-46 B Chocolate Bay STJ-OFF3 B STJ NW-1 STJ-OFF4 B STJ SW-1 STJ-OFF7 B STJ East-2 STJ-OFF10 B STJ John-3 STJ-OFF13 B STJ West-4 2. Monitoring Measurements At each station, field measurements are made of the following: Turbidity: expressed in Nephelometric Turbidity Units (NTU’s) measured 1 meter below the surface and 1 meter above the sea floor (or at the max depth of the instrument (~30 m)) using an EPA approved field instrument. Dissolved Oxygen: expressed in mg/l saturation and measured 1 meter below the surface and 1 meter above the sea floor (or at the max depth of the instrument (~30 m)) with an EPA approved field instrument. pH: expressed in Standard Units (SU) measured 1 meter below the surface and 1 meter above the sea floor (or at the max depth of the instrument (~30 m)) with an EPA approved field instrument. Temperature: expressed in degrees Centigrade measured 1 meter below the surface and 1 meter above the sea floor (or at the max depth of the instrument (~30 m)) with an EPA approved field instrument. Salinity: expressed in parts per thousand and measured 1 meter below the surface and 1 meter above the sea floor (or at the max depth of the instrument (~30 m)). Secchi Depth: expressed in meters by a secchi depth recording light transparency. Bacteria: Water samples are collected by surface grab sample at each station on a quarterly basis and taken to a DPNR certified laboratory where they are analyzed for Fecal Coliform and enterococci bacteria. Results are expressed as number of colonies per 100 milliliters. Analysis is perfomed utilizing an EPA approved methodology. Total Suspended Solids: Water samples are collected by surface grab sample at each station on an annual basis and taken to a DPNR certified laboratory where they are analyzed utilizing an EPA approved methodology. Total Phosphorous: Water samples are collected by surface grab sample at each station on an annual basis and taken to a DPNR certified laboratory where they are analyzed utilizing an EPA approved methodology. Total Kjeldhal Nitrogen: Water samples are collected by surface grab sample at each station on an annual basis and taken to a DPNR certified laboratory where they are analyzed utilizing an EPA approved methodology. 3. 2004 and 2005 Monitoring Frequency During this reporting period Ambient Monitoring was conducted once each quarter. DPNR-DEP also conducts BEACH sampling on a weekly basis. Figure III.A.1 St. Croix Water Quality Monitoring Network Figure III.A.2: St. Thomas/St. John Water Quality Monitoring Network 4. Toxics/biological monitoring No monitoring for toxics or biological effects is conducted in the Virgin Islands for lack of baseline standards for Virgin Islands conditions. According to the Virgin Islands multi-year monitoring strategy, DPNR will explore options for implementing a biological component of the Ambient Monitoring Program. This may include developing a partnership with NOAA or another agency with similar monitoring objectives. 5. Fish tissue, sediment, shellfish monitoring: The Virgin Islands Water Pollution Control program does not include toxic chemicals or biological monitoring. The program also does not monitor fish tissue, sediment or shellfish for toxicity. A background analysis of ambient water quality has not yet been performed to support the adoption of criteria for toxic chemicals (1996 VI 305(b)). 6. Quality assurance/quality control program The Virgin Islands DPNR-DEP Quality Assurance (QA) Program is committed to assuring and improving the quality of all environmental measurements performed by and for the Department. The goal of the QA program is for the acquisition of reliable and defensible environmental data. It is the policy of DPNR that adequate QA activities are conducted within the agency to ensure that all environmental data generated and processed be scientifically valid, of known precision and accuracy, of acceptable completeness, representative, comparability and where appropriate, legally defensible. During Fiscal Years 2004 and 2005 QA activities such as program technical audits, file audits, revision of the Quality Assurance Management Plan, Management System Reviews, review of program and contractual Quality Assurance Project Plans, review of all program Standard Operating Procedures, and Laboratory Certifications were performed. DPNR has a full-time QA/QC Officer who also acts the Laboratory Certification Officer for the Department. 7. Volunteer monitoring DPNR had no monitoring volunteers during the reporting period. Volunteer monitoring, however, is being planned for implementation in future water quality monitoring program activities. 8. Program evaluation • A background analysis of ambient water quality is needed to support the adoption of specific criteria for toxic pollutants (1998 305(b) Report). As part of the 2004 US Virgin Islands Water Quality Standards revision, the national recommended criteria were adopted; • New equipment and staff training is needed to assess water quality for the development of toxic and biological criteria (1998 305(b) Report); • Revisions of the existing Local Water Pollution Control Act and regulation are needed to enhance the program’s ability to enforce its laws and statutes; • Revisions to the Water Quality Standards and criteria to include numeric values instead of narrative description of desired water quality; • Developing stormwater regulations to be implemented within the TPDES permitting program. B. Assessment Methodology 1. Assessment Methodology for Use Support Determination Purpose: The Clean Water Act requires each state, territory and tribe to conduct water quality surveys to determine if its waters are healthy and have sufficient quality to meet their designated uses and attain water quality standards. A report is submitted every two years. It incorporates physical, chemical, and microbiological data from the STORET database, habitat assessments, and beach monitoring data (fish kills/advisories, oil spills, beach closings, etc.). Use of data is subject to availability. The U.S. Environmental Protection Agency encourages states, territories and tribes to adopt the Integrated Reporting format which blends elements of the 305(b) Water Quality Assessment Report and the 303(d) Impaired Waterbody List. The United States Virgin Islands intends to use this format to more accurately and completely assess our waterbodies. Complete assessments include:
 Identification of waterbody type. The US Virgin Islands has not identified any freshwater with designated uses nor has established water quality standards for freshwaters. Therefore, only coastal waterbodies are included in the U.S. Virgin Islands 2006 Integrated Report. All available groundwater data was reviewed for possible inclusion in the report and Division of Environmental Protection's Groundwater Program will provide groundwater discussion in the 2006 Integrated Report. The Integrated Report includes an overview of groundwater and wetlands resources.
 Identification of waterbody classification and designated use. According to the US Virgin Islands water quality standards, the waters of the Virgin Islands exists in one of three classes: A, B and C. The following describes the geographical extent of the three waterbody classes, the associated designated uses, and the applicable water quality standards. Class A waters are designated for the preservation of natural phenomena requiring special conditions. Class B criteria are applied towards an assessment Class A waters. Areas classified as Class A include:
 The area within 0.5 miles of the boundaries of Buck Island’s Natural Barrier Reef, St. Croix
 Trunk Bay, St. John. Class B waters are designated for Primary Contact Recreation and Aquatic Life Use Support. Any coastal waterbody not classified as Class A or Class C is considered Class B waterbodies. The legal limits of Class B waterbodies not covered by color and turbidity in section 186-3(b)(11) as stated in the US Virgin Islands water quality standards include: St. Thomas Class B Waters St. Croix Class B Waters
 Mandahl Bay (Marina),
 Vessup Bay,
 Water Bay, and
 Benner Bay
 Carlton Beach,
 Good Hope Beach,
 Salt River Lagoon (Marina),
 Salt River Lagoon (Sugar Bay),
 Estate Anguilla Beach,
 Buccaneer Beach,
 Tamarind Reef Lagoon,
 Green Cay Beach, and
 Enfield Green Beach Class C waterbodies are designated for Primary Contact Recreation and Aquatic Life Use Support. The legal limits of Class C waterbodies as stated in the US Virgin Islands water quality standards include: St. Thomas Class C Waters St. Croix Class C Waters
 St. Thomas Harbor from Rupert Rock to Haulover Cut,
 Crown Bay enclosed by a line from Hassel Island at Haulover Cut to Regis Point at West Gregerie Channel
 Krum Bay
 Christiansted Harbor from Fort Louise Augusta to Golden Rock
 Frederiksted Harbor from La Grange to Fisher Street
 HOVENSA Harbor
 Marin-Marietta Alumina Harbor
 Inventory of physical, chemical and microbiological data The US Virgin Islands has been actively using STORET and has entered physical, chemical and microbiological data for fiscal years 1998-2005. STORET data extracts from fiscal years 2004-2005 were considered for the 2006 water quality assessment. The source of STORETs data is the result of the Division of Environmental Protection’s Ambient Monitoring Program. The Water Pollution Control Program manages this program. Through the Ambient Monitoring Program, ambient water quality is monitored on a quarterly basis. The 2006 report also considers data taken from other entities that monitor water quality in the US Virgin Islands. National Park Service and EPA were identified as possible data sources. Every effort was made to locate as many data sources as possible including directly contacting entities and publishing a solicitation notice in the Virgin Islands Daily News. The Assessment Database (ADB) was a valuable tool for storing information regarding designated uses for waterbodies. ADB was also useful in storing pollutant and stressor data pertinent to making accurate assessments. ADB also stores cause and source data.
 Habitat assessment data inventory The US Virgin Islands Division of Fish and Wildlife had been identified as a possible data source for habitat assessments. Fish and Wildlife, however, had no data to contribute towards the 2006 water quality assessment report.
 Visual Data Sources The DPNR-DEP keeps a log of all incidents of oil spills, fish kills and other events that affect water quality in the US Virgin Islands. This log was reviewed for all incidents that could have had a negative impact on US Virgin Islands water quality.
 Identify exceedances of water quality standards The US Virgin Islands water quality standards sets limits for various criteria. All readily available data that meet quality assurance / quality control requirements were compared to the limits set by the USVI water quality standards to determine which waterbodies exceed these limits.
 Use determination status Use support determination is dependant upon the guidelines set by the United States Environmental Protection Agency’s “Guidelines for Preparation of the Comprehensive State Water Quality Assessments (305(b) Reports) and Electronic Updates: Report Contents”, “Guidelines for Preparation of the Comprehensive State Water Quality Assessments (305(b) Reports) and Electronic Updates: Supplement”, and ‘2006 Integrated Water Quality Monitoring and Assessment Report Guidance”.
 Data gaps and error control The US Virgin Islands made every effort to control errors that may have been reported in data. Data determined to be erroneous or flawed were discarded. It is understood that the US Virgin Islands has a number of data gaps. These gaps are not limited to existing data sets, but it can also refer to the lack of certain types of data. This Integrated Report makes mention of and describes US Virgin Islands data gaps. Potential data gaps include beach closure data, habitat assessment data, toxicity and toxicant data, wetland assessment data, and intermittent streams data. Data gaps that are identified will be included in the multi-year monitoring strategy for resolution.
 Natural Disasters Hurricane season in the US Virgin Islands lasts from June through November each year. As part of the Territory’s post hurricane Emergency Response Plan (ERP) the Water Pollution Control program conducts episodic beach monitoring at each of the beach monitoring stations until the water quality is determined to meet water quality standards. There was no sampling this cycle related to natural disasters.
 Data From Other Sources DPNR considers data received up to one week prior to the submission of the draft 303(d) Total Maximum Daily Load List. Last-minute data, while pertinent, delays the reporting process significantly. No last-minute data was received this cycle. Monitored Waters The coastal waters of the Virgin Islands are evaluated for the following uses: Primary Contact Recreation and Aquatic Life Use Support. All existing and readily available data and information were assembled and used in the assessment. Use Support Determination Waterbody delineations used for determining use support are derived from global information system (GIS) coverages. The Division of Environmental Protection contracted professional services to develop a standard waterbody delineation based on a number of prevailing factors. DEP is currently considering revising the standard waterbody delineation especially in response to waters recently placed under federal jurisdiction. Presently, use support is determined using the most current version of the US Virgin Islands water quality standards. Water quality standard revision was initiated in June 2002. The revision is complete and has been adopted into the Virgin Islands Rules and Regulations as of October 2004. The revised standards include criteria accepting enterococci as a microbiological standard and the national recommended priority pollutants. 2. Ground Water Assessment Ground Water Monitoring Program Specific groundwater monitoring tasks
 Collect continuous ground-water level records at selected sites in the major well fields in the U.S. Virgin Islands; St. Croix. St. Thomas, and St. John.
 Conduct monthly measurement of ground water level at selected sites in the U.S. Virgin Islands.
 Collect meteorological data (instantaneous point measurements) at one consistent station at each island to document climatic variations and seasonal patterns and to consider long term trends.
 Collect ground-water samples once a year at selected well fields to monitor ground-water quality for possible effects of degradation (changes in water quality as measured since 1960) from saltwater encroachment. This includes testing for sulfates, anions, cations, alkalinity, and conductivity. 3. Surface Water Assessment As part of the assessment process, each assessment is rated as being supporting, not supporting or not applicable (not applicable is usually the result of a data gap). In order to assess an assessment unit, data must be available from at least one assessment type in each designated use. Impairment of any single indicator will result in the waterbody being listed as impaired (for that parameter), even if the other indicators do not exceed the standards. Consideration is taken in cases where a parameter falls within the degree of error of monitoring equipment. Waters that naturally exceed water quality standards are addressed in Section 186-10 (Natural Waters) of the US Virgin Islands Water Quality Standards. Microbiological Assessment The use support is based on single sample maximum allowable density of fecal coliforms and enterococci, beach closing data and reported oil spills. Allowable limits are determined by the class of the water body. Class A and B water bodies should not exceed 70 colonies/100mL in a single sample. Class C water bodies should not exceed 200 colonies/100mL in a single sample. All waters of the US Virgin Islands should not exceed 104 colonies/100mL for enterococci. The percent of total violations is evaluated as follows: Fully Supporting: None of the Samples exceed 70 or 200 colonies/100 mL respectively for fecal coliform and 104 colonies/100 mL for enterococci. Not supporting: Any of the Samples exceed 70 or 200 colonies/100 mL respectively for fecal coliform and 104 colonies/100 mL for enterococci. Beach Advisory Assessment In addition to pathogens, beach-advisory data was used to determine primary contact recreation use support. The matrix of allowable violations is as follows: Supporting: No bathing area advisories or restrictions in effect during reporting period. Not Supporting: On average, one bathing area advisory per year of greater than 1 week’s duration, or more than one bathing area advisory per year. The Department of Planning and Natural Resources only issues administrative advisories. Beach closures would only be enforced for very serious threats to human health. DEP has implemented a Beaches Environmental Assessment and Coastal Health (BEACH) monitoring program that takes enterococci at select sites on a weekly basis. This data was used in conjunction with data collected from the Ambient Monitoring Program. Toxicant Assessment (Human Health) Considerations were made for toxicants data (based on availability). Toxics were recently adopted into the USVI Water Quality Standards (see National Recommended Water Quality Criteria - Correction dated April 1999). The conditions for use support is as follows: Fully Supporting: No toxicants noted in either acute or chronic tests compared to controls or reference conditions. Partially Supporting: No toxicants noted in acute tests, but may be present in chronic tests in either slight amounts and/or infrequently within an annual cycle. Not Supporting: Toxicants noted in many tests and occurs frequently. Other Parameters Throughout the course of collecting data for this report, data that did not fit within the auspices of the other assessment categories of Primary Contact Recreation Use Support (e.g. aesthetics, pH, turbidity, algae, odor, etc.) were considered under Other Parameters. The following guidelines apply where appropriate: Fully Supporting: For any one pollutant or stressor, criteria exceeded in none of the measurements Not Supporting: For any one pollutant, criteria exceeded in any of measurements. Aquatic Life Use Support Habitat Assessment Determination of Aquatic Life Use Support considered habitat assessment data (based on availability) in relation to propagation of desired species of marine life. Habitat assessment data is considered as follows: Fully Supporting: Reliable data indicate natural channel morphology, substrate composition, bank/riparian structure, and flow regime of region. Riparian vegetation of natural types and of relatively full standing crop biomass (i.e., minimal grazing or disruptive pressure). Not Supporting: Moderate to severe habitat alteration by channelization and dredging activities, removal of riparian vegetation, bank failure, heavy watershed erosion or alteration of flow regime. DEP received no habitat assessment data for the 2004-2005 reporting cycle. Toxicity Assessment Considerations were made for aquatic and/or sediment toxicity data (based on availability). The conditions for use support is as follows: Fully Supporting: No toxicity noted in either acute or chronic tests compared to controls or reference conditions. Not Supporting: Toxicity noted in many tests and occurs frequently. Conventional Assessment Significant violations were determined for conventional parameters. Conventional parameters were evaluated using the frequency of violations. The conventional parameters are: Dissolved Oxygen, Temperature, Turbidity, and pH The conditions for use support for the conventionals are as follows: 1. Fully Supporting: For any one pollutant or stressor, criteria exceeded in none of the measurements. 2. Not Supporting: For any one pollutant, criteria exceeded in any of the measurements. Toxicant Assessment (Aquatic Life) Considerations were made for toxicants data (based on availability). The conditions for use support is as follows: Fully Supporting: No toxicants noted in either acute or chronic tests compared to controls or reference conditions. Not Supporting: Toxicants noted in many tests and occurs frequently. Biological Assessment Upon identifying a source of data to apply towards a biological assessment, the conditions for use support is as follows:
 Fully Supporting: Reliable data indicate functioning, sustainable biological assemblages (e.g., fish, macroinvertebrates, or algae) none of which has been modified significantly beyond the natural range of the reference condition.
 Not Supporting: At least one assemblage indicates nonsupport. Data clearly indicates severe modification of the biological community compared to the reference condition. DEP received no biological data for the 2004-2005 reporting cycle. Nutrient Parameters The nutrient parameter is: Total Phosphorus The conditions for use support for nutrients are as follows: 1. Fully Supporting: For any one pollutant or stressor, criteria exceeded in none of the measurements. 2. Not Supporting: For any one pollutant, criteria exceeded in any of the measurements Listing Rules This methodology groups assessments as follows: Primary Contact Recreation (PCR) Indicators Aquatic Life Use Support (ALUS) Indicators Microbiological Assessment Beach Closing Assessment Toxicant Assessment (Human Health) Other Parameters Habitat Assessment Toxicity Assessment Conventional Assessment Toxicant Assessment (Aquatic Life) Biological Assessment Nutrient Assessment The following categories are based on categories recommended in the 2006 Integrated Report Guidance: Category 1 The assessment unit is placed in this category if it meets the water quality standards for the parameters that define support for both Primary Contact Recreation (PCR) & Aquatic Life Use Support (ALUS). Category 2 The assessment unit is placed in this category if it attains water quality standards for the parameters that define support for either PCR or ALUS but data is insufficient to determine support for the other use. In addition, there is no data to indicate that the uses are threatened under the US EPA definition of threatened. Waters with insufficient data will be scheduled for more extensive monitoring in the USVI’s multi-year monitoring schedule. Category 3 The assessment unit is placed in this category if insufficient or no data is available to determine if water quality standards are attained and any designated uses are supported. The Virgin Islands considers insufficient data as anything less than four quarters of monitoring data. However, waters with less than four quarters of monitoring data may be reviewed on a case-by-case basis if the limited data strongly suggests that water quality standards are exceeded and the designated uses are impaired. Such waters may be eligible for inclusion on the 303(d) List. Remaining waters with insufficient data will be scheduled for more extensive monitoring in the USVI’s multi-year monitoring schedule. For the 2006 Integrated Report, DEP proposes the following Category 3 subcategories: Category 3A No data is available from any of the identified data sources for the assessment unit in question. Category 3B Insufficient Data is available from any of the identified data sources for the assessment unit in question. Insufficient data is defined as less than four quarters of monitoring data. This category differs from Category 2 in that this condition must apply to all designated uses. Category 3C Inconclusive Data is available from any of the identified data sources for the assessment unit in question. This might include information from studies that do not directly provide information related to water quality standards. Category 3D Unreliable or low quality data is available from any of the identified data sources for the assessment unit in question. Unreliable or low quality data is defined as data sets that have significant gaps, obvious anomalies, etc. Category 4 Assessment units that are found to be not supporting for one or both designated uses are placed in category 4 under the appropriate subcategory (4A, 4B, 4C). Category 4A The assessment unit is placed in this category if it was previously listed on the 303(d) list and a total maximum daily load has been established and approved by EPA. Category 4B The assessment unit is placed into this category only if other pollution control requirements are expected to address all water/pollutant combinations and attain all water quality standards within a reasonable period of time. The Virgin Islands considers a reasonable period of time as being the time between reporting cycles. If the impairment is the result of a point source discharge, it is expected that the Territorial Pollution Discharge Elimination System (TPDES) program will take appropriate measures to control point source pollution. If the impairment is the result of non-point source pollution, DPNR will provide evidence that a pollution control measure is in place. Category 4C The assessment unit is placed into this category if the impairment was not caused by a pollutant. Assessment units placed into this category must show improvement by the next reporting cycle. If the impairment persists because of existing conditions it will be moved into Category 5. If the assessment unit shows improvement since the last cycle it will be moved into either Category 1 or 2. If the data available is insufficient to make an assessment, the assessment unit will be moved to Category 3 (see Category 3 for more detail). Category 5 The assessment unit is placed into this category if water quality standards are exceeded in which case a total maximum daily load must be established. Assessment units that were placed into Category 5 were placed on the 2006 303(d) Total Maximum Daily Load List. De-listing Assessment Units (AU) that were listed as impaired on the 2004 303(d) list were listed in Category 5 with the following exceptions:
 AUs that, after the evaluation of the existing and readily available data, meet the applicable water quality standards. Such a waterbody may be moved to Category 1 or 2 after 2 cycles (4 years) of more recent data demonstrates attainment. This type of de-listing action requires the data to be complete, reproducible, and defensible.

 AUs for which the original basis for listing is determined to be inaccurate may be moved to Category 1 or 2 if a re-examination of the data shows that the segments meet water quality standards, or to Category 3 if there is insufficient data to make a determination.
 The AU in question already has an EPA approved TMDL, in which case it will be placed in Category 4A.
Monitoring Strategy The Water Pollution Control Program develops the Division of Environmental Protection’s monitoring strategy. The current monitoring strategy addresses the integrated five categories and the assessment units delineated by Battelle (2003). The monitoring strategy is available for inclusion in this methodology and is attached as an appendix. The Water Pollution Control Program developed the following Multi-Year Monitoring Strategy in which a monitoring plan was detailed for 9 years from the point of its creation: FY 2004 • Develop a comprehensive monitoring and assessment program • Documentation and mapping of the USVI wetlands • Database design • Analysis of all wetlands and riparian areas • Land ownership records • Review of Quality Assurance Project Plan for monitoring and data analysis • Establish monitoring priorities and targets • Definition of field survey protocols • Preliminary field data collection on water quality • Characterization of plant communities and plant species • DPNR training on data collection and GIS application • Training on Clean Water Act, Oil Pollution Act and SPCC Wetlands and Regulation • Develop mangrove restoration plan for Salt River • Reassessment of the 13 category I watersheds FY 2005 • Develop a comprehensive monitoring and assessment program • Documentation and mapping of the USVI wetlands • Database design • Review of Quality Assurance Project Plan for new monitoring and data analysis • Establish monitoring priorities and targets • Definition of field survey protocols • Preliminary field data collection on water quality • Characterization of plant communities and plant species • Characterization of aquatic life • Start mangrove restoration for Salt River • Develop Watershed Restoration Strategies for Salt River • Training on wetland mitigation and delineation • Training on watershed assessment • Develop Watershed Restoration Strategies for Salt River and Benner Bay • BASINS training FY 2006 • Implement a comprehensive monitoring and assessment program • Input data on the database • Review of Quality Assurance Project Plan for new monitoring and data analysis • Field data collection on water quality • Data collection on biological assemblages • Develop standards for wetland health based on water quality and biological assemblages • Characterization of plant communities and plant species • Start mangrove restoration for Salt River • Implement Watershed Restoration Strategies for Salt River and Benner Bay FY 2007 • Implement a comprehensive monitoring and assessment program • Input data on the database • Review of Quality Assurance Project Plan for new monitoring and data analysis • Field data collection on water quality • Data collection on biological assemblages • Develop standards for wetland health based on water quality and biological assemblages • Characterization of plant communities and plant species • Continue mangrove restoration for Salt River • Implement Watershed Restoration Strategies for Salt River and Benner Bay FY 2008 • Implement a comprehensive monitoring and assessment program • Input data on the database • Aggregate wetlands by similar types of stressors • Input information from database on GIS • Field data collection on water quality • Data collection on biological assemblages • Develop standards for wetland health based on water quality and biological assemblages • Characterization of plant communities and plant species • Start mangrove restoration for Salt River • Implement Watershed Restoration Strategies for Salt River and Benner Bay FY 2009 • Review the wetlands monitoring and assessment program • Input data on the database • Field data collection on water quality • Data collection on biological assemblages • Develop standards for wetland health based on water quality and biological assemblages • Characterization of plant communities and plant species • Continue mangrove restoration for Salt River • Implement Watershed Restoration Strategies for Salt River and Benner Bay • Training on wetland restoration FY 2010 • Review the wetlands monitoring and assessment program • Input data on the database • Review of Quality Assurance Project Plan for new monitoring and data analysis • Field data collection on water quality • Data collection on biological assemblages • Test and evaluate standards for wetland health based on water quality and biological assemblages • Characterization of plant communities and plant species • Continue mangrove restoration for Salt River • Implement Watershed Restoration Strategies for Salt River and Benner Bay • Develop Great Pond Enhancement Plan FY 2011 • Make appropriate changes to the wetlands monitoring and assessment program • Input data on the database • Review of Quality Assurance Project Plan for new monitoring and data analysis • Review procedures for field data collection on water quality • Review procedures for data collection on biological assemblages • Present a complete assessment report on USVI wetlands health and water quality • Evaluate results from mangrove restoration project in Salt River • Implement Watershed Restoration Strategies for Salt River and Benner Bay • Implement Great Pond enhancement plan FY 2012 • Continue with wetlands monitoring and assessment program • Input data on the database • Field data collection on water quality • Data collection on biological assemblages • Review of assessment report on USVI wetlands health and water quality • Establish a mangrove restoration plan for critical areas based on the Salt River experience • Implement Watershed Restoration Strategies for Salt River and Benner Bay • Implement Great Pond enhancement plan FY 2013 • Prepare a management plan for the USVI wetlands • Establish regulations for USVI wetlands • Identify new areas for wetland restoration • Implement Watershed Restoration Strategies for Salt River and Benner Bay • Implement Great Pond enhancement plan Section 303(d) Waters Section 303(d) of the Clean Water Act requires States and Territories to develop a list of impaired waters needing TMDLs every even-numbered calendar year. An impaired waterbody is one for which technology-based pollution controls are not stringent enough to attain or maintain compliance with applicable State and Territory water quality standards. In order for a water quality-limited waterbody to attain water quality standards, a TMDL must be developed and implemented specifically for that waterbody and pollutant(s) of concern. A TMDL is a quantitative assessment of the amount of pollution that a certain waterbody can assimilate while still meeting water quality standards. On April 12, 2006 the Virgin Islands Department of Planning and Natural Resources released the 2006 TMDL list for public comment. The final list consists of 49 assessment units listed for a variety of impairments. The 2006 303(d) List of Impaired Waterbodies is attached to this report as an Attachment. C. Estuary and Coastal Assessment 1. Designated Use Support Summary Assessment of the Virgin Islands’ coastal waters is presented in (estimated) square miles of assessment unit boundaries. Some 650 square miles are assessed in this report. A summary of use support assessments for coastal waters is shown in Table III.C.1. The mileage presented is based on Global Information Systems (GIS) approximations. Table III.C.1. Waterbodies, Segments, and Categories AU ID AU Name AU Size (sq. mi.) 305(b) Category Integrated Category VI-STT-01 Botany Bay 0.1576 Fully Supporting 1 VI-STT-02 Stumpy Bay 0.0597 Not Supporting 5 VI-STT-03 Botany Bay subwatershed, offshore 1.309 Insufficient Information 3A VI-STT-04 Santa Maria Bay 0.3617 Not Supporting 5 VI-STT-05 Caret Bay 0.0266 Not Supporting 5 VI-STT-06 Neltjeberg Bay 0.0562 Fully Supporting 1 VI-STT-07 Dorothea 0.0254 Not Supporting 5 VI-STT-08 Hull Bay 0.2049 Not Supporting 5 VI-STT-09 Dorothea Bay subwatershed, offshore 0.7673 Insufficient Information 3A VI-STT-10 Magens Bay 1.6208 Not Supporting 5 VI-STT-11 Northwest St. Thomas HUC14, offshore 55.088 Fully Supporting 1 VI-STT-12 Lovenlund Bay 0.0228 Insufficient Information 3A VI-STT-13 Mandahl Bay (Marina) 0.0131 Not Supporting 5 VI-STT-14 Tutu Bay 0.0414 Insufficient Information 3A VI-STT-15 Sunsi Bay 0.0152 Not Supporting 5 VI-STT-16 Spring Bay 0.0102 Not Supporting 5 VI-STT-17 Mandahl Bay subwatershed, offshore 1.1379 Not Supporting 5 VI-STT-18 Water Bay 0.0845 Not Supporting 5 VI-STT-19 Smith Bay 0.1187 Not Supporting 5 VI-STT-20 Smith Bay subwatershed, offshore 0.4103 Insufficient Information 3A VI-STT-21 St. John Bay 0.0411 Not Supporting 5 VI-STT-22 Red Bay 0.0078 Not Supporting 5 VI-STT-23 Vessup Bay 0.0619 Not Supporting 5 VI-STT-24 Red Hook Bay 0.1772 Not Supporting 5 VI-STT-25 Great Bay 0.5593 Not Supporting 5 VI-STT-26 Red Hook Bay, offshore 0.4725 Insufficient Information 3A VI-STT-27 St. James Islands, offshore 0.6691 Insufficient Information 3A VI-STT-28 Cowpet Bay 0.0757 Not Supporting 5 VI-STT-29 St. James Bay 1.2439 Insufficient Information 3A VI-STT-30A Northeast St. Thomas HUC14, offshore north 42.927 Fully Supporting 1 VI-STT-30B Northeast St. Thomas HUC14, offshore south 24.908 Insufficient Information 3A VI-STT-31 Nazareth Bay 0.1793 Fully Supporting 1 VI-STT-32 Jersey Bay, offshore 1.2925 Not Supporting 5 VI-STT-33 Benner Bay 0.4187 Insufficient Information 3A VI-STT-34 Benner Bay Lagoon Marina 0.0355 Not Supporting 5 VI-STT-35 Mangrove Lagoon 0.2931 Not Supporting 5 VI-STT-36 Frenchman Bay subwatershed, east 0.3532 Not Supporting 5 VI-STT-37 Frenchman Bay 0.0195 Not Supporting 5 VI-STT-38 Limetree Bay 0.0065 Not Supporting 5 VI-STT-39 Morningstar Bay 0.0215 Not Supporting 5 VI-STT-40 Pacquereau Bay 0.0453 Not Supporting 5 VI-STT-41 Frenchman Bay subwatershed, offshore 2.9233 Insufficient Information 3A VI-STT-42 Southeast St. Thomas HUC14, offshore 50.939 Fully Supporting 1 VI-STT-43 St. Thomas Harbor, inner 0.7495 Not Supporting 5 VI-STT-44 St. Thomas Harbor, outer 1.2128 Insufficient Information 3A VI-STT-45 Gregerie Channel 1.7072 Not Supporting 5 VI-STT-46 Sprat Bay 0.3814 Not Supporting 5 VI-STT-47 Hassel Island at Haulover Cut to Regis Point 0.2074 Not Supporting 5 VI-STT-48 Water Isle Hotel, Beach 0.0057 Insufficient Information 3A VI-STT-49 Druif Bay 0.0331 Not Supporting 5 VI-STT-50 Flamingo 0.061 Not Supporting 5 VI-STT-51 Krum Bay 0.0754 Fully Supporting 1 VI-STT-52 Lindbergh Bay 0.2612 Not Supporting 5 VI-STT-53 Cyril E. King Airport subwatershed, offshore 0.8499 Not Supporting 5 VI-STT-54 Perseverance Bay, offshore 0.4734 Not Supporting 5 VI-STT-55 Brewers Bay 0.1076 Not Supporting 5 VI-STT-56 Perseverance Bay 0.2114 Not Supporting 5 VI-STT-57 Fortuna Bay 0.0827 Not Supporting 5 VI-STT-58 Fortuna Bay subwatershed, offshore 0.6553 Insufficient Information 3A VI-STT-59 Northwest St. Thomas HUC14, offshore 77.71 Insufficient Information 1 VI-STJ-01 Caneel Bay 0.2623 Unassessed (NPS Jurisdiction) - VI-STJ-02 Hawksnest Bay 0.2246 Unassessed (NPS Jurisdiction) - VI-STJ-03 Trunk Bay 0.0685 Unassessed (NPS Jurisdiction) - VI-STJ-04 Hawksnest Bay subwatershed, offshore 1.7287 Unassessed (NPS Jurisdiction) - VI-STJ-05 Cinnamon Bay 0.1456 Unassessed (NPS Jurisdiction) - VI-STJ-06 Maho Bay/Francis Bay 0.346 Unassessed (NPS Jurisdiction) - VI-STJ-07 Maho Bay subwatershed, offshore 1.6071 Unassessed (NPS Jurisdiction) - VI-STJ-08 Mary Point 0.4831 Unassessed (NPS Jurisdiction) - VI-STJ-09 Leinster Bay 0.6627 Unassessed (NPS Jurisdiction) - VI-STJ-10 Minnebeck Bay 1.4876 Unassessed (NPS Jurisdiction) - VI-STJ-11 Newfound Bay 0.0765 Insufficient Information 3A VI-STJ-12 North St. John HUC14, offshore 23.719 Insufficient Information 3A VI-STJ-13 Coral Harbor 0.6965 Insufficient Information 3A VI-STJ-14 Hurricane Hole 0.7689 Insufficient Information 3A VI-STJ-15 Round Bay 0.6015 Not Supporting 5 VI-STJ-16 Coral Bay 2.2337 Insufficient Information 3A VI-STJ-17 Salt Pond Bay 0.1978 Unassessed (NPS Jurisdiction) - VI-STJ-18 Grootman Bay 0.1046 Unassessed (NPS Jurisdiction) - VI-STJ-19 Great Lameshur Bay 0.359 Unassessed (NPS Jurisdiction) - VI-STJ-20 Southeast St. John HUC14, offshore 24.319 Insufficient Information 3A VI-STJ-21 Genti Bay, nearshore 0.0947 Unassessed (NPS Jurisdiction) VI-STJ-22 Genti Bay, offshore 0.769 Unassessed (NPS Jurisdiction) - VI-STJ-23 Fish Bay 0.2103 Unassessed (NPS Jurisdiction) - VI-STJ-24 Fish Bay subwatershed, offshore 0.1824 Unassessed (NPS Jurisdiction) - VI-STJ-25 Rendezvous Bay 0.4677 Not Supporting 5 VI-STJ-26 Chocolate Hole 0.1004 Not Supporting 5 VI-STJ-27 Rendezvous Bay subwatershed, offshore 0.1863 Insufficient Information 3A VI-STJ-28 Great Cruz Bay 0.1396 Not Supporting 5 VI-STJ-29 Turner Bay/Enighed Pond 0.057 Not Supporting 5 VI-STJ-30 Cruz Bay 0.0674 Not Supporting 5 VI-STJ-31 Great Cruz Bay watershed, offshore 0.5775 Unassessed (NPS Jurisdiction) - VI-STJ-32 Southwest St. John HUC14, offshore 10.142 Insufficient Information 3A VI-STJ-33 Pillsbury Sound 6.9399 Fully Supporting 1 VI-STC-01 Frederiksted, south 0.0451 Insufficient Information 3A VI-STC-02 Frederiksted Harbor 0.035 Fully Supporting 1 VI-STC-03 Lagrange subwatershed, offshore 0.375 Insufficient Information 3A VI-STC-04 Prosperity, nearshore 0.1118 Insufficient Information 3A VI-STC-05 Prosperity subwatershed, offshore 0.5129 Insufficient Information 3A VI-STC-06 Sprat Hall Beach 0.0609 Not Supporting 5 VI-STC-07 Creque Dam/Butler Bay 0.529 Insufficient Information 3A VI-STC-08 Hams Bay 0.3144 Insufficient Information 3A VI-STC-09 Davis Bay 0.0522 Insufficient Information 3A VI-STC-10 Hams Bluff 0.5506 Insufficient Information 3A VI-STC-11 Northwest St. Croix HUC14, offshore 33.302 Fully Supporting 1 VI-STC-12 Cane Bay 0.0613 Fully Supporting 1 VI-STC-13 Baron Bluff subwatershed 0.3498 Not Supporting 5 VI-STC-14 Belvedere 0.0557 Insufficient Information 3A VI-STC-15 Northside subwatershed 0.6109 Insufficient Information 3A VI-STC-16 Salt River Lagoon, Marina 0.0194 Not Supporting 5 VI-STC-17 Salt River Lagoon, Sugar Bay 0.3244 Fully Supporting 1 VI-STC-18 Salt River Bay 0.3229 Fully Supporting 1 VI-STC-19 Judith Fancy 0.01 Insufficient Information 3A VI-STC-20 Salt River Bay subwatershed, west 0.2433 Insufficient Information 3A VI-STC-21 Salt River Bay subwatershed, east 0.8922 Insufficient Information 3A VI-STC-22 Northcentral St. Croix HUC14, offshore 23.61 Fully Supporting 1 VI-STC-23 St. Croix-By-the-Sea 0.0727 Not Supporting 5 VI-STC-24 Long Reef Backreef, west 0.1153 Not Supporting 5 VI-STC-25 Princess subwatershed, offshore 0.4343 Not Supporting 5 VI-STC-26 Christiansted Harbor 0.9601 Not Supporting 5 VI-STC-27 Long Reef Forereef, east 0.3149 Not Supporting 5 VI-STC-28 Altona Lagoon 0.2337 Insufficient Information 3A VI-STC-29 Christiansted Harbor, east 0.1089 Not Supporting 5 VI-STC-30 Beauregard Bay 0.2145 Not Supporting 5 VI-STC-31 Buccaneer Beach 0.0166 Not Supporting 5 VI-STC-32 Altona Lagoon subwatershed, offshore 0.6812 Insufficient Information 3A VI-STC-33 Punnett Bay 0.0576 Fully Supporting 1 VI-STC-34 Punnett Point, east 0.0223 Insufficient Information 3A VI-STC-35 Tamarind Reef Lagoon (Southgate Lagoon) 0.0205 Not Supporting 5 VI-STC-36 Green Cay Beach 0.1017 Insufficient Information 3A VI-STC-37 Southgate subwatershed, offshore 2.2219 Not Supporting 5 VI-STC-38 Solitude Backreef 0.9681 Insufficient Information 3A VI-STC-39 Teague Bay 0.1773 Not Supporting 5 VI-STC-40 Teague Bay Backreef 0.8547 Not Supporting 5 VI-STC-41 Buck Island Backreef 0.7675 Unassessed (NPS Jurisdiction) - VI-STC-42 Buck Island Forereef 3.3497 Unassessed (NPS Jurisdiction) - VI-STC-43 Solitude and Teague Bay subwatersheds, offshore 18.822 Unassessed (NPS Jurisdiction) - VI-STC-44 Northeast St. Croix HUC14, offshore. 36.088 Unassessed (NPS Jurisdiction) - VI-STC-45 Isaac Bay 0.0853 Insufficient Information 3A VI-STC-46 Grapetree Bay 0.0425 Fully Supporting 1 VI-STC-47 Turner Hole Backreef 0.2772 Fully Supporting 1 VI-STC-48 Turner Hole subwatershed, offshore 16.949 Fully Supporting 1 VI-STC-49 Madam Carty Backreef 0.464 Fully Supporting 1 VI-STC-50 Madam Carty, offshore 3.5161 Insufficient Information 3A VI-STC-51 Great Pond 0.1578 Insufficient Information 3A VI-STC-52 Great Pond Bay 1.0184 Fully Supporting 1 VI-STC-53 Great Pond Bay subwatershed, offshore 3.0288 Fully Supporting 1 VI-STC-54 Leprey Valley Backreef 0.3712 Insufficient Information 3A VI-STC-55 Leprey Valley subwatershed, offshore 2.8455 Insufficient Information 3A VI-STC-56 Bugby Hole Backreef 0.7042 Not Supporting 5 VI-STC-57 Bugby Hole subwatershed, offshore 3.9 Insufficient Information 3A VI-STC-58 Southeast St. Croix HUC14, offshore 24.146 Fully Supporting 1 VI-STC-59 Canegarden Bay 0.8542 Not Supporting 5 VI-STC-60 Canegarden Bay, offshore 0.7933 Insufficient Information 3A VI-STC-61 Hess Oil Virgin Islands Harbor 0.671 Not Supporting 5 VI-STC-62 Limetree Bay 0.7239 Fully Supporting 1 VI-STC-63 Martin-Marietta Alumina Harbor 0.3228 Not Supporting 5 VI-STC-64 Manning Bay/Estate Anguilla Beach 0.0508 Not Supporting 5 VI-STC-65 Hovensa, west 1.2865 Not Supporting 5 VI-STC-66 Hovensa subwatershed, offshore 2.8305 Insufficient Information 3A VI-STC-67 Southports St. Croix HUC14, offshore 8.1966 Fully Supporting 1 VI-STC-68 Bethlehem subwatershed, inshore 0.2149 Insufficient Information 3A VI-STC-69 Bethlehem subwatershed, offshore 0.3971 Insufficient Information 3A VI-STC-70 Airport, nearshore 2.1943 Insufficient Information 3A VI-STC-71 Airport, offshore 4.263 Fully Supporting 1 VI-STC-72 Airport St. Croix HUC14, offshore 4.1803 Insufficient Information 3A VI-STC-73 Diamond, nearshore 0.1699 Insufficient Information 3A VI-STC-74 Enfield Green Beach/VIRIL Outfall 0.1376 Insufficient Information 3A VI-STC-75 Diamond subwatershed, offshore 2.8479 Not Supporting 5 VI-STC-76 Carlton Beach 0.2447 Not Supporting 5 VI-STC-77 Long Point Bay 0.8376 Insufficient Information 3A VI-STC-78 Long Point Bay subwatershed, offshore 4.9231 Fully Supporting 1 VI-STC-79 Good Hope Beach 0.1876 Fully Supporting 1 VI-STC-80 Sandy Point, nearshore south 2.0121 Insufficient Information 3A VI-STC-81 Sandy Point, offshore south 7.4306 Insufficient Information 3A VI-STC-82 Sandy Point, nearshore west 0.1158 Not Supporting 5 VI-STC-83 Sandy Point, offshore west 0.4875 Insufficient Information 3A VI-STC-84 Southwest St. Croix HUC14, offshore 18.347 Fully Supporting 1 2. Individual Use Support Summary Assessment of the Virgin Islands’ coastal waters is presented in (estimated) square miles of assessment unit boundaries. Some 650 square miles are assessed in this report. Figure III.C.2.a St. Thomas/St. John Integrated Categories Figure III.C.2.b St. Croix Integrated Categories Several assessment units were not assessed this cycle because certain areas fall within the jurisdiction of the National Park Service (refer to Attachment 1: 2006 303(d) List of Impaired Waterbodies for greater detail). While the current assessment unit structure does not match perfectly with the waters under federal jurisdiction, Figures III.C.2.c and III.C.2.d illustrates these particular areas. Figure III.C.2.c St. John Assessment Units Completely Under Federal Jurisdiction Figure III.C.2.d St. Croix Assessment Units Completely Under Federal Jurisdiction 3. Causes and Sources of Designated Use Impairment a) Eutrophication Eutrophication is rarely observed in the Virgin Islands because of tidal flushing and currents driven by the Caribbean current and steady tradewind patterns.11 b) Case Studies The Unified Watershed Assessment includes a detailed summary of existing conditions for the 18 Coastal Zone Management Areas of Particular Concern (This summary is Attachment 5 of the Unified Watershed Assessment, which is included in this Water Quality Assessment as Attachment II.) These APC reports contain water quality reports for each APC. D. Wetlands Assessment 1. Introduction Prior to October 31, 1978, the US Army Corps of Engineers, as delegated by 404 of the Clean Water Act, performed protection of wetlands in the Virgin Islands. After that date, all coastal wetland protection was mandated to the Department of Planning and Natural Resources, Division of Coastal Zone Management. Guidelines are found in VIC Title 12, Chapter 21, §.903(b)(8), which states that the Division’s responsibility is “to conserve ecologically significant resource areas for their contribution to marine productivity and value as wildlife habitats, and preserve the function and integrity of reefs, marine meadows, salt ponds, mangroves and other significant areas”. 2. Classification of Wetlands Classification of wetlands is based on the US Fish and Wildlife Wetland and Deepwater Habitat System (Cowardin et al., 1979). Wetlands are grouped into four categories: tidal, seep, landlocked ponds, and spring tidal wetlands. Tidal ponds or lagoons have narrow inlets connecting to the sea and have a salinity level that is slightly higher than seawater. Seep ponds and landlocked ponds are not open to the sea, and have fluctuating water and salinity levels depending on rainfall. Spring tidal wetlands fringe bays, but standing water only occurs during spring tides, when strong onshore winds push water into the wetlands, or during times of heavy rainfall and consequent flooding. The primary source of wetland impairment is non-point source pollution, construction intrusions, and sedimentation from upland run-off. Table III.D.1 Wetlands Classification12 [Classification of wetlands is based on the US Fish and Wildlife Wetland and Deepwater Habitat System (Cowardin et al., 1979).] St. Croix Classification Great Pond Estuarine, Intertidal, Forested Billy French Pond Estuarine, Intertidal, Forested, Scrub-Shrub, Basin West End Salt Pond Estuarine, Intertidal, Unconsolidated sanded shore, Scrub-shrub, Basin Altoona Lagoon Estuarine, Intertidal, Forested Coakley Bay Marine (Coastal), Intertidal, Unconsolidated sanded shore Long Point Bay Estuarine, Unconsolidated sanded shore, Intertidal Mt. Fancy Estuarine, Intertidal, Scrub- shrub, Unconsolidated shore, cobble-gravel Robin Bay Marine (Coastal), Intertidal, Unconsolidated cobble gravel Southgate Pond Estuarine, Intertidal, Scrub-shrub basin Salt River/Sugar Bay Estuarine, Intertidal, Unconsolidated sanded shore and bottom Half Penny Estuarine, Intertidal, Unconsolidated sanded shore, Scrub-shrub Krause Lagoon Estuarine, Intertidal, Scrub-shrub, Manchenil Marine (Coastal), Intertidal, Unconsolidated sanded shore St Thomas Classification Mandahl Bay Estuarine, Intertidal, Unconsolidated bottom, Scrub-shrub Fortuna Bay Estuarine, Intertidal, Unconsolidated sanded shore, Forested, Magens Bay Marine (Coastal), Sub-tidal, Coral Reef, Perseverance Bay Estuarine, Intertidal, Forested, Unconsolidated sanded shore Frenchman's Bay Estuarine, Intertidal, Unconsolidated sanded shore Little Conculus Bay Estuarine, Intertidal, Unconsolidated sanded shore, Scrub-shrub Benner Bay Estuarine, Intertidal, Forested, Unconsolidated Sanded shore, Scrub-shrub Mangrove Lagoon Estuarine, Intertidal, Forested, Unconsolidated Sanded shore, Scrub-shrub Smith Bay Estuarine, Intertidal, Unconsolidated sanded shore St. John Bay Estuarine, Intertidal, Unconsolidated sanded shore Great Bay Estuarine, Intertidal, Forested, Unconsolidated Sanded shore, Scrub-shrub Cabrita Peninsula Estuarine, Intertidal, Unconsolidated sanded shore Cowpet Bay Estuarine, Intertidal, Forested, Unconsolidated Sanded shore, Scrub-shrub Vessup Bay Estuarine, Intertidal, Forested, Bolongo Bay Estuarine, Intertidal, Forested, Unconsolidated Sanded shore, Scrub-shrub Cabes Point Estuarine, Intertidal, Scrub-shrub Little St. James Estuarine, Intertidal, Unconsolidated Sanded shore, Scrub-shrub Salt Cay Estuarine, Intertidal, Unconsolidated Mud, Patricia Bay Estuarine, Intertidal, Scrub-shrub Muller Bay Estuarine, Intertidal, Unconsolidated Sanded shore, Scrub-shrub Water Island Classification Limestone Bay Marine (Coastal), Intertidal, Unconsolidated Cobble gravel Sprat Bay Marine (Coastal), Intertidal, Unconsolidated sanded bottom Sprat Point Estuarine, Intertidal, Unconsolidated sanded shore, Scrub-shrub St. John Classification Brown Bay Estuarine, Intertidal, Forested, Unconsolidated Sanded shore, Scrub-shrub Leinster Bay Estuarine, Intertidal, Unconsolidated sanded shore Kiddel Bay Estuarine, Intertidal, Unconsolidated sanded shore, Scrub-shrub Little Lameshur Estuarine, Intertidal, Scrub-shrub Great Lameshur Estuarine, Intertidal, Scrub-shrub Fish Bay Estuarine, Intertidal, Unconsolidated sanded shore, Frank Bay Estuarine, Intertidal, Unconsolidated sanded shore, Scrub-shrub Enighed Bay Estuarine, Intertidal, Scrub-shrub Francis Bay Estuarine, Intertidal, Forested, Unconsolidated Sanded shore, Scrub-shrub Salt Pond Bay Marine (Coastal), Subtidal, Coral Reef, 2, Estuarine, Intertidal, Scrub-shrub Privateer Bay Estuarine, Intertidal, Unconsolidated sanded shore, Scrub-shrub South side Pond Estuarine, Intertidal, Unconsolidated sanded shore, Scrub-shrub Elk Bay Estuarine, Intertidal, Unconsolidated, sanded shore, Scrub-shrub Water Creek Estuarine, Sub-tidal, Unconsolidated bottom Otter Creek Estuarine, Sub-tidal, Unconsolidated bottom Princess Bay Estuarine, Intertidal, Forested, Unconsolidated Sanded shore, Scrub-shrub Coral Bay Estuarine, Intertidal, Forested, Unconsolidated cobble gravel, Forested Chocolate Hole Estuarine, Intertidal, Forested, Unconsolidated Sanded shore, Scrub-shrub Peter Bay Estuarine, Intertidal, Forested, Turner Point Estuarine, Intertidal, Forested, Unconsolidated Sanded shore, Scrub-shrub Newfound Bay Estuarine, Intertidal, Unconsolidated Sanded shore, Reef Bay Estuarine, Intertidal, Forested, Calabash Boom Estuarine, Intertidal, Forested, Unconsolidated Sanded shore Annaberg Annaberg Estuarine, Europa Bay 1. Estuarine, Intertidal, Scrub-shrub 2. Estuarine, Sub-tidal, Unconsolidated sanded bottom Grooto Pain Bay Estuarine, Intertidal, Forested, Unconsolidated Sanded shore, Scrub-shrub Hart Bay Estuarine, Intertidal, Forested, Unconsolidated Sanded shore, Scrub-shrub Mary Point Estuarine, Intertidal, Forested, Unconsolidated Sanded shore, Scrub-shrub 3. Wetlands Protection Activities The Department of Planning and Natural Resources very recently instituted a Wetlands Program. The program was short-lived though due to staffing problems. E. Public Health/Aquatic Life Concerns Pollution-caused fish kills, ciguatera or other abnormalities The Department of Planning and Natural Resources keeps no log of fish kill incidents within the territory. DPNR will from time to time, however, issue public advisories when such incidents do occur. Restrictions on swimming areas
No sampling related to natural disasters (e.g. hurricanes) was conducted this cycle.
Public advisories regarding beach water quality is broadcast over the available radio stations thorough the Virgin Islands Territory Emergency Management Agency (VITEMA) during the hurricane recovery period (interview with Officer Brad Thomas on March 16, 2000). Restrictions are also invoked when a sewage bypasses occurs that may be impacting a waterbody. The water quality sampling is performed by DPNR and a copy of the final results is forwarded to the Waste Management Authority and to the Department of Health’s Division of Environmental Health. The continual monitoring for beach contamination caused by a bypass is performed by DPNR-DEP Under TPDES permit requirements the Waste Management Authority broadcasts over the airwaves and publishes in the local newspapers a public advisory regarding the bypass; however, this action does not negate the fact that the Commissioner of DPNR may broadcast or publish a public advisory if it deemed necessary. The BEACH program issues notices on a weekly basis for territorial beaches that are being monitored. Advisories are issued following discovery of enterococci impairments. PART IV. GROUND WATER ASSESSMENT A. Overview The Ground Water program manages the installation of groundwater wells and groundwater withdrawals through a permitting system under Virgin Islands Code (VIC) Title 12, Chapter 5, Section 151 et seq. New wells can only be sited at locations providing adequate yield and a minimum risk of groundwater contamination from past, existing or future sources and activities. Existing wells are regulated via groundwater appropriation permits that set groundwater withdrawal limits for the approved use, and are valid for a period of two years,. Table IV.A.1 Number of permitted wells in the USVI District Estimated No. of Wells Estimated Total Pumping Rate (million gallons per day) St. Croix* 700 2.1 St. Thomas 400 0.4 St. John 90 0.1 • Excluding HOVENSA groundwater monitoring and product recovery wells, regulated by RCRA Part B operating permit. Table IV.A.2 Number of applications reviewed this reporting period Period New/Renewal appropriation permit applications Drilling permit applications Soil Boring permit applications Drillers license issued October 2003 through September 2004 Approved: 88 Rejected: 0 Total: 88 Approved: 48 Rejected: 0 Total: 48 Approved: 100 Rejected: 0 Total: 100 Approved: 5 Rejected: 0 Total: 5 October 2004 through September 2005 Approved: 37 Rejected: 0 Total: 37 Approved: 15 Rejected: 0 Total: 15 Approved: 14 Rejected: 0 Total: 14 Approved: 5 Rejected: 0 Total: 5 WAPA The "major" water supplier in the VI is the Virgin Islands Water and Power Authority (WAPA). Ground water has the potential to contribute up to 30% (up to about 1 million gallons per day (MGD)) of the WAPA potable water supply on the island of St. Croix (when the well fields are operating at or near capacity). No ground water is used in the WAPA distribution system on St. Thomas and St. John at the present time; however, the authority has previously investigated the use of ground water in the Sugar Estate, St. Thomas and Estates Adrian and Carolina, St. John, to augment the desalinated water supply. WAPA : St. Croix On St. Croix, WAPA's principal water supply comes from desalination units, which are capable of producing about 3 MGD(storage capacity =40 MG). Additionally, WAPA can potentially extract up to 1 MGD of ground water from seven (7) well fields. The principal aquifer in St. Croix is the Kingshill aquifer, predominantly a limestone aquifer that underlies the central portion of the island. The Estates Concordia, Adventure, Fairplains, Negro Bay and Barren Spot well fields tap this aquifer. The western Mahogany Road and La Grange well fields tap an alluvial and fractured bedrock aquifer. WAPA : St. Thomas On St. Thomas, WAPA provides desalinated water for distribution (approximately 2.2 MGD (storage capacity =40 MG)). Although WAPA used several wells in the vicinity of the St. Thomas Hospital in Sugar Estate the late 1960s to the early 1980s, they are no longer used. As part of a recent ground water source exploration program designed for WAPA’s Emergency Ground Water Supply (EGWS) Program, the US Geological Survey (USGS) drilled several test wells in various locations on St. Thomas. USGS performed pumping tests on these wells in the Sugar Estate area, but to date, the wells have not been put into production. WAPA : St. John On St. John, WAPA’s principal potable water source is a 500,000 GPD vapor vacuum compression unit. Additionally, several wells were drilled on St. John under the EGWS program described above, but to date, with the exception of one well in Estate Carolina, the wells have not been put into production. The Estate Carolina WAPA well was put on line in the spring of 1994 as supplemental water supply for the eastern portion of St. John. The well provides mineral-rich water (TDS of approximately 2500 ppm) from a shallow, unconsolidated material aquifer, which is pumped into pressure tanks to meters for non-potable use only. Public Water Systems that utilize groundwater In addition to WAPA, water-hauling companies utilize wells as a secondary water supply source. Several water-hauling companies treat the ground water by reverse osmosis (RO), and then distribute the water via trucks to individual residences and businesses. Several water-bottling companies also do the same prior to bottling and distribution. These public water systems also include apartment complexes, schools, condominiums, hotels, bars and restaurants. In addition to drinking water quality monitoring parameters, these systems must monitor their well water for Total Dissolved Solids. Table IV.A.3 Overview of VI Public Water Systems Utilizing Groundwater Number of Water Systems Utilizing Groundwater Island Community Non-Transient, Non-Community Transient, Non-Community Bottled Water Plant St. Croix 13 16 25 1 St. Thomas 5 6 11 4 St. John 0 2 1 1 TYPES OF AQUIFER Figure IV.A.1 Virgin Islands Aquifers In the Virgin Islands, ground water is held primarily in three types of aquifers, principally under water table or semi-confined conditions: 1) Carbonate rock system in St. Croix, known as the Kingshill aquifer system. The Kingshill aquifer system is comprised of Miocene-aged limestone rock. It overlies the Jealousy Formation, which is markedly different in color (often called the "blue clay"), but is mineralogically and paleontologically very similar to the Kingshill. Both are thought to have been deposited in deep water, possibly greater than 1000 meters in depth (Gill & Hubbard, 1987). The Kingshill is overlain by the post-Kingshill carbonates, generally representing reef and shallow-water facies. This formation is less extensive than the Kingshill, but generally more permeable. In areas, this is overlain by Quaternary alluvium derived from the surrounding hillsides - primarily volcanoclastic debris. 2) Fractured bedrock aquifers in the Tutu Valley and Sugar Estate areas of St. Thomas and in the Estate Adrian area on St. John, for example. The Tutu aquifer of St. Thomas has the highest potential yield of any aquifer on the island - estimated to be in the order of 300,000 gallons per day (Jordan and Cosner, 1973). This type of aquifer is comprised of preferentially fractured bedrock overlain by a veneer of unconsolidated alluvial material varying from a few feet to tens of feet thick. As much as six (6) feet of the upper surface of the bedrock is commonly weathered (saphrolite) (Geraghty & Miller, 1994), depending upon location. Less weathering is evident on the steep slopes; more in the valley floor. Ground water is held principally within the fractures in this bedrock with lesser amounts held in the upper weathered saphrolite and overlying unconsolidated deposits. The degree of saturation of the upper portions of the aquifer is dependent upon the intensity of pumping in the area and the overall climatic conditions. 3) Bedrock and alluvial deposit aquifers, in the La Grange area of St. Croix, the Long Bay area of St. Thomas and the Coral Bay area of St. John for example, are at the base of watersheds adjacent to the sea on all the islands. The deposited alluvial material was eroded from the surrounding hillsides. The parent rocks are primarily volcanic in origin with the resultant weathered material having a high clay content. The ground water is found in the interstitial spaces within the alluvium and in fractures in the underlying bedrock. B. Groundwater Quality The USGS maintained a cooperative agreement with the Government of the Virgin Islands from 1958 to 2003. The agreement was mutually terminated in June 2003. During those years, a data collection network to monitor stream flow, groundwater levels and selected meteorological parameters was maintained. The data collected at the monitored sites provides an insight into the groundwater withdrawals and recharge at principal aquifers, the degradation of groundwater quality due to saltwater encroachment or contamination, land use changes, groundwater and surface water use estimates, and stream flow regimes which are important in infrastructure planning. The USGS surface water monitoring consisted of four continuous recording stream flow gauging stations (2STT: Bonne Resolution gut at Bonne Resolution, Turpentine Run at Mount Zion; 1STX: Jolly Hill gut at Jolly Hill; 1STJ: Guinea gut at Bethany). The groundwater monitoring consisted of six continuous reading water level stations (2 STT: Grade school #3, VIEO #6; 3 STX: Fairplains #2, Golden Grove #6, WAPA #17; 1 STJ: Guinea gut well). In addition, three meteorological stations obtained continuous data on rainfall, wind speed and direction, air temperature, solar radiation, relative humidity, and barometric pressure (one per island). Groundwater samples were also collected on a yearly basis at eight well fields (STX: LaGrange, Concordia, Barren Spot, Fairplains, Golden Grove, Bethlehem, Adventure, Negro Bay) and analyzed for chlorides, sulfates, alkalinity, specific conductance, and temperature. Results show that the concentrations in the sampled wells range as follows: chlorides, 144 to 900 milligrams per liter (mg/L), alkalinity from 249 to 578 mg/L, sulfates from 58 to 135 mg/L, and specific conductance from 1025 to 3300 microsiemens per centimeter at 25 ºC. For a complete discussion of the monitoring results visit http://vi.water.usgs.gov or the annual report “Water Resources Data for Puerto Rico and the United States Virgin Islands Water Year 2001”. Figure IV.B.1 VI Aquifer Analyses The ground water in the Virgin Islands is highly mineralized, often containing total dissolved solids (TDS) in excess of 1000 parts per million (ppm). Sodium, magnesium and calcium are the primary constituents, rendering continued consumption of untreated ground water unhealthy for those on a restricted sodium diet. Additionally, elevated nitrate levels and coliform bacteria have been found in some wells near the main sewer conveyance lines. With the termination of the USGS contract, DPNR will gather the available information and analyze it in order to: • Update wellhead protection areas • Identify boundaries of aquifer recharge areas • Establish water budgets (aquifer recharge versus groundwater withdrawal rates) by watersheds • Evaluate well field safe yields and maximum withdrawal rates to limit the potential for sea-water encroachment in coastal aquifers • Identify areas where recharge can be improve through construction of designed facilities • Prepare and submit documentation to establish the Kingshill aquifer as a “sole- source” aquifer • Use local human resources to provide education opportunities in the natural science Failing Onsite Sewage Disposal Systems The physical characteristics of the Virgin Islands, including the topography, geology, soils and other factors that affect the performance of subsurface wastewater disposal systems, indicate that a large majority of the land area is unsuitable for the construction of conventional septic systems. Failing OSDS are a major source of groundwater pollution (high fecal coliform levels, nitrate levels especially in the LaGrange area of St. Croix). Presently, there are thousands of onsite sewage disposal systems, better known as “septic” systems in operation in areas that are inappropriate for subsurface disposal. They represent not only a hazard to the environment but also to public health. Poor soil conditions, either too clayey to absorb the effluent adequately, too thin, stony or steep to allow proper treatment of the effluent, often result in groundwater and surface water pollution. Because of the relatively high price of real estate in the Virgin Islands, subdivisions of as little as 3000 square feet and densities of 120 persons per acre can be permitted (R-4, Medium density). Current land development codes allow lots with OSDS to be as small as one-quarter acre for two residences. This of course leads to high-density development with insufficient land allocated to meet the spatial requirements for house/cistern/septic system construction, including appropriate separation distance. Excessive development densities have been permitted without proper wastewater treatment facilities required. This situation is being addressed with the adoption of new onsite sewage disposal system (OSDS) regulations in November 2001. C. Wellhead Protection: Delineation And Management Standards Wellhead protection is vital to the long-term quality of life in the VI as the population increases. The meager but important ground water resources are valuable supplements to the expensive, highly energy-consumptive desalinated water which is so heavily relied upon by the much of the population of the VI. Existing untainted ground water resources must be protected. The resources that have already been subjected to contamination by leaking underground storage tanks (USTs), leaking sewer lines and improper storage and disposal of chemicals must be managed to protect adjacent uncontaminated sources and restore damaged resources for future use. During 2001/2002, DPNR in conjunction with the University of the Virgin Islands delineated wellhead protection areas (WHPA) for each of the seven WAPA wellfields on St. Croix. The WHPA represented the actual contributing area for the well field, taking into account the average time required for the ground water to flow to the well (Time of travel = TOT); and the effects of hydrologic boundaries (e.g., faults, guts and ridge lines, etc.), because risks to the well diminish as the time of travel and distance from the well increase It was evident that various surrounding land uses (agricultural versus industrial) constitute varying risks to the quality of the ground water received at the well. In order to assure an effective pollution mitigation response to a known pollution source, a 20-year TOT was delineated for each well field using the following methods developed by the USGS:. • Calculated Fixed Radii Method, the data required: the time of travel, well pumping rate, porosity of the aquifer and open screen interval. • Simplified Variable Shapes Method, in addition to the data specified above, hydraulic gradient, hydraulic conductivity, saturated thickness and hydrologic divides. Table IV.C.1 WAPA wellfields surveyed Wellfield No. of Wells 20-year TOT WHPA Surrounding Land Use Negro Bay 6 201 acres Industrial LaGrange 6 173 acres Residential Golden Grove 9 121 acres Agricultural and industrial Concordia 5 173.3 acres Residential and agricultural Bethlehem 2 191.5 acres Agricultural and industrial Barren Spot 9 212 acres Industrial and residential Adventure 9 177 acres Agricultural Each delineated WHPA was then surveyed for potential sources of contaminated using the following categories: Contaminant Category Description Category 1 Sources designed to discharge substances Category 2 Sources designed to store, treat, and/or dispose of substances; discharge through unplanned release Category 3 Sources designed to retain substances during transport or transmission Category 4 Sources discharging substances as a consequence of other planned activities Category 5 Sources providing conduit of inducing discharge through altered flow patterns Table IV.C.2 The distribution of potential source of contaminations: Wellfield Name Number of sources Category 1 Category 2 Category 3 Category 4 Category 5 Negro Bay 71 0% 68% 20% 1% 11% LaGrange 58 0% 85% 0% 5% 10% Golden Grove 24 0% 50% 13% 8% 29% Concordia 116 1% 74% 3% 9% 13% Bethlehem 38 0% 89% 3% 5% 3% Barren Spot 94 1% 65% 13% 6% 15% Adventure 35 0% 57% 17% 0% 26% As was evident in all the wellfields, the largest single category of potential sources of contamination was Category 2, which included illegally dumped materials, municipal trash containers, above ground storage of materials, and underground storage. Figure IV.C.1 20-Year TOT WHPA for Barren Spot wellfield, showing location of wells.

















                                                           Figure IV.C.2 Location of potential sources of contamination for Barren Spot WHPA Based on the study, WHPA management standards have been drafted to 1. Protect the public drinking water supply from those land use activities that could contaminate groundwater, and 2. Protect aquifer recharge areas from land use activities that could inhibit their recharge capabilities Proposed management mechanisms to protect ground water supplies included: contingency plans for public water systems; protect public drinking water supply from contaminants; protect aquifer recharge areas; WHPA delineation for existing public water supply wells (other than WAPA); site plan review for new wells; site plan review for new development in WHPAs; WHPA setbacks for potential sources of contamination; WHPA monitoring and closure requirements for abandoned wells. The complete Wellhead Protection Project report is available at http://www.dpnr.gov.vi/dep/home.htm. Figure IV.C.3 Typical distribution of potential sources of contamination within a WHPA In August 2006, DPNR through the VI Department of Property and awarded a contract to RCAP Solutions, Inc. for the review of the Wellhead Protection Program and perform the following tasks: Task 1 Assign priorities to wells and wellfields based on: a. Pumpage or a surrogate, such as population served. b. Known or suspected contamination based either on 1) monitoring results or 2) known or possible contamination events based on other monitoring data. c. Site specific risks due to topographical or geological factors identified in the Wellhead Protection Plan (“WPP”) or subsequently. Task 2 Verify and identify threats to groundwater in the area of well or identified recharge areas as well as wellheads according to a work plan based on the priorities developed in Task 1. Task 3 Develop specific corrective action plans for wells or wellfields identified in Task 1. A number of alternates may be suggested, and additional study or information may be specified where necessary, along with the reason why that information is required. It is expected that only wells producing water for resale, in sensitive aquifers or for Territorial Government facilities will have detailed corrective action plans developed, and in no case exceeding an agreed number of wells and wellfields. The entire project is expected to last approximately sixteen months. RCAP Solutions, Inc. will collect and collate the information required to assign draft priorities and then a detailed project plan will be developed in conjunction with cooperating agencies. Some specific sites will be selected for site-specific plans for risk reduction; that risk reduction work not included in this proposal. These sites will be selected based, in part, on the priorities developed in this part. At the end of the project recommendations for draw- down and recovery and other subsequent studies will be included in the final report. Wells and sites identified as priorities in this project will be, insofar as possible, photographed and particular attention in recording will be given to threats or risks to those wells. In addition, production records will be solicited for those identified as priorities for which no production information is in hand. The position of each well or wellfield will be recorded and moved to GIS. The final report will include shapefiles on TIGER, USGS topographic and USGS DOQQ1 base maps; those shapefiles will include layers for wells, risks and watershed/aquifer information. In addition, a database of wells with positional information, USVI property tax number, risk category, risk ID and updated owner/production information will also be provided. There are significant security concerns regarding this information and RCAPS will not email nor maintain this information on any computer with unrestricted internet access. It is recommended that printed reports have limited circulation and that all electronic transmission of this data or these reports be encrypted; RCAPS will comply with this latter requirement. Access to wells on private property that cannot be surveyed from off-site will require permission from property owners. RCAPS will endeavor to acquire such permission in writing or verbally. In the event that permission is not forthcoming, DEP/DPNR personnel will be requested to accompany RCAPS personnel on site visits. As stated, most of the effort will occur on St. Croix, though both St. Thomas and St. John will be superficially studied. As time and funding permit additional sources of groundwater recharge, means and methods of increasing yield or reducing transpiration and alternative sources for non-potable water will be identified and discussed. D. Kingshill Aquifer As A Sole Source Aquifer A draft application to the US Environmental Protection Agency (USEPA) for sole source aquifer designation for the Kingshill Aquifer, St. Croix, was submitted in January 2004. The proposed designation is the largest aquifer in the USVI and covers roughly an area approximately 25 square miles in diameter, which extends from Frederiksted along the entire south coastal plain bordered by foothills of the northwest range, to the north coast near Salt River and east to Estate Golden Rock (West Christiansted) and Estate Pearl. 1 USACOE photo surveys may be substituted for USGS photos. To qualify for designation, the aquifer must supply at least half of the drinking water consumed in the proposed area and there should be no economically feasible alternative source of drinking water, which can supply more than half of the drinking water in the area. The EPA solicits comments on these topics and announced the receipt of DPNR’s petition requesting the designation and opens a 30-day public comment period on August 21, 2006. A final decision to approve or deny the petition for the Kingshill Aquifer as a Sole Source Aquifer will be made after the closing date of the comment period, which ends on September 30, 2006. EPA’s SOLE SOURCE AQUIFER DESIGNATION PROCESS PHASE DATE Phase I - Petition Preparation < - - - - June 10, 2004 Ends when the petitioner (i.e. DPNR) submits the petition to EPA. Phase II - Initial Petition Review / < - - - - October, 2004 Completeness Determination Completeness letter to USVI < - - - - July 31, 2006 Announce Opportunity for Public Meeting < - - - - August 30, 2006 (Petition available to public in NY & USVI) Comment Period Ends < - - - - September 30, 2006 Phase III - Detailed Review / < - - - 1-3 months (No Meeting) Technical Verification December 30, 2006 October 30, 2006 Hold Public Meeting (if requested) < - - - Oct 24, 2006 N / A Comments from Public (if any) < - - - November 7, 2006 N / A Prepare Designation Package < - - - (on going) Phase IV - Designation Determination Designation Package < - - - Jan 30, 2007 December 15, 2006 Regional Administrator Determination < - - - Feb 15, 2007 January 30, 2007 (Federal Register Printing) Notify Applicant < - - - March 6, 2007 February 6, 2007 The Kingshill aquifer is the largest and most productive aquifer in the USVI. The aquifer has an area of 25 square miles and accounts for 67% of all groundwater withdrawals. Approximately one-third of the population (35,558 (census 2000)) of the entire USVI lives within the aquifer boundary area. Yields from wells can surpass 70,000 gpd/well. Most of the groundwater exists at relatively shallow depths in unconsolidated alluvial sediments or in shallow limestone deposits. The depth to groundwater could range from 5 feet (WAPA Concordia well field) to 60 feet (WAPA Golden Grove well field) below ground surface. Well yields ranged from less than 5 gallons per minute (gpm) (WAPA Adventure well field) to 80 gpm (WAPA Golden Grove well field). Aquifer specific capacity ranged from 1 to 14 gpm per foot draw down with a corresponding aquifer transmissivity ranging from 180 to 3,300 feet squared per day. There are over 325 wells within the aquifer boundary and it is estimated that the total production of the aquifer is 2.21MGD (WAPA, 1.13 MGD; private wells, 0.55 MGD; industrial/commercial 0.53 MGD). It is estimated that the aquifer can safely supply up to 2.5MGD. Figure IV.D.1 Extent of the Kingshill aquifer, St. Croix Within the aquifer service area, due to the high cost of WAPA water and unavailability or expense of alternate sources, groundwater provides: • A sole source of potable water to many users • A important supplement for daily shortfalls • A significant percentage of supply to WAPA potable water system • A majority or sole water supply during seasonal shortfalls and emergencies • An economical alternative to municipal supply • An important energy-saving renewable resource reducing reliance The designation of the Kingshill aquifer as a sole source aquifer will increase DPNR’s regulatory capacity to protect and responsibly develop the resource. E. Groundwater Issues There are four major issues related to groundwater management as follows: • Overpumping of coastal aquifers • Saltwater encroachment • HOVENSA Hydrocarbon recovery project • Institutional Controls at Tutu Wellfield Superfund Site and Island Chemical Figure IV.E.1 Superfund Site (St. Thomas) Overpumping: Moratorium on well drilling and appropriation - Smith Bay, St. Thomas A review of recent reports indicates that the ground water table in the Smith Bay area has declined form approximately 30 to 40 feet below ground level to more than 100 feet below ground level from early 1990 to the present. Additionally, the water quality in the aquifer is declining due to intrusion of more saline water from the sea. This overall decline in ground water levels and water quality in the Smith Bay aquifer is due to heavy pumping of several production wells tapping the aquifer, greatly exceeding the estimated recharge rate. A water budget for the Smith Bay aquifer, indicates that the maximum amount of water that can be withdrawn from the aquifer on a sustainable basis, calculated using average rainfall values, is approximately 50,000 gallons per day. During drought conditions, Smith Bay area has been shown to experience marginal precipitation, therefore, maximum pumping from the aquifer, to maintain stable aquifer conditions, will be substantially less than 50,000 gallons per day. Pumping rates during the past several years, collectively, from private wells and commercial water companies and residential tapping the Smith Bay aquifer, have been as high as 140,000 gallons per day - almost three times the sustainable amount, which effectively “mines” the water resources. Continued pumping at these high rates will cause irreversible damage to the aquifer. In order to prevent further deterioration of the Salt River aquifer and in accordance with the declaration of policy by the legislature of the V.I., as contained in Title 12 VIC §151 and the authority vested in the Commissioner of DPNR by Title 12 VIC §153 et. seq., the following actions were instituted: 1. No new ground water appropriation permits will be issued for well drilled into the Smith Bay aquifer, for a period of two years, during which the ground water elevations in the aquifer will be closely monitored by DEP (Title 12 VIC §155). 2. Existing permitted wells will be inspected regularly by DEP to ensure compliance with the terms of the appropriation permit, specifically pumping rates (Title 12 VIC § 154). 3. Existing appropriation permits are subject to modification, such that the quantity allocated may be reduced (Title 12 VIC §155). 4. Renewal for existing appropriation permits are subject to modification, such that the quantity allowed may be reduced. Preference shall be given to domestic uses as against other beneficial uses (Title 12 VIC §156). Presently, DPNR is investigating the need for similar moratoriums for Lindberg Bay, St. Thomas and Salt River Bay, St. Croix. Saltwater encroachment: South shore St. Croix Groundwater quality (generally total dissolved solids, specifically chlorides), has been steadily declining in the south shore area of St. Croix. This can be attributed to the following major shoreline modifications: channelization - dredging of Limetree Bay; construction of bulkhead/piers adjacent to HOVENSA refinery; dredging of Alucroix and Limestone Bay Channels; creation of red mud pile at St. Croix Alumina, leachate high in inorganic salts; filling of Krause Lagoon; creation of holding/detention ponds on HOVENSA and St. Croix Alumina properties. Figure IV.E.2 Chloride Levels (ppm) in Groundwater in the Vicinity of STX Alumina and Bethlehem/Golden Grove Figure IV.E.3 Salt-water interface in an unconfined coastal aquifer according to the Gyhben-Herzberg relation Saltwater encroachment can be caused by the reversal or reduction of freshwater discharge that allows the heavier saline water to move into an area where only freshwater previously existed (overpumping: HOVENSA process water wells, see discussion below); the destruction of natural barriers that formerly separated bodies of fresh and saline waters (shoreline modifications: channelization, dredging, etc) Assuming hydrostatic conditions in a homogeneous, unconfined coastal aquifer, the weight of a unit column of fresh water extending from the water table to the salt-water interface is balanced by a unit column of salt water extending from sea level to the same depth as the point on the interface. According to the Ghyben-Herzberg relation, if the water table in an unconfined coastal aquifer is lowered by 1 ft, the saltwater interface will rise 40 ft. (see discussion on Smith Bay aquifer, St. Thomas) F. Institutional Controls At Tutu Well Field Superfund Site And Island Chemical Superfund Site There are two superfund sites, Tutu Well Field and Island Chemical on St. Thomas and St. Croix, respectively. Pursuant to a cooperative agreement between US Environmental Protection Agency (EPA) and the VI Government, institutional controls will be placed on earth moving activities within the superfund site and/or on locations in the vicinity of the site. These controls will insure that soil/groundwater cleanup at the site will not be adversely impacted by construction activities. Institutional controls in the form of existing well permitting laws and regulations will also limit the pumping of groundwater at the Site to prevent interference with the selected remedy and to also prevent human exposure to contaminated groundwater until MCLs are achieved. Institutional controls shall be monitored and maintained to: 1) prevent human ingestion of ground water containing concentration of VOCs in excess of the performance standards for drinking water; and 2) restrict withdrawal of ground water within the vicinity of the plume that could adversely impact the ground water remedy. 1. Tutu Wellfield Site The Tutu Wellfield Superfund Site is located in the Upper Turpentine Run basin, Estate Anna’s Retreat, St. Thomas. Groundwater contamination was discovered when EPA sampled 18 wells (13 commercial wells and 5 private wells) in August 1987 and analytical results revealed elevated values of VOCs in 14 of the 18 supply wells, including 1,2-trans-dichloroethylene (DCE), trichloroethylene (TCE), tetrachloroethylene (PCE), toluene, benzene, and methyl-tertiary-butyl-ether (MTBE). The remedial investigation (RI) was conducted from April 1992 to July 1994. EPA issued the Record of Decision (ROD) for the Site in August 1996. The Remedial Design for the site wide groundwater contamination and Curriculum center soil contamination was performed upon completion of the RI/FS and was completed in 2002. The Remedial Action began in 2003 with construction of the site wide groundwater and soil treatment facilities and will be fully operational in 2004. DPNR agrees to implement institutional controls (which may include governmental controls, proprietary controls, or both, as appropriate) sufficient to insure that no one uses groundwater or installs a groundwater well, or excavate or disturbs any impacted soil or rock at the Site without the written permission of EPA and DPNR. 2. Island Chemical Facility The Former Island Chemical is located on Melvin Evans Highway (Route 66), about 1,500 feet north of the Alexander Hamilton Airport. Currently inactive, the facility was used to manufacture pharmaceutical chemicals between 1978 and 1980 or later. In 1984 and 1985, it produced benzyl acetate and benzyl salicylate, which are used in perfumes, sunscreen lotion, flavorings, resins, lacquers, printing ink, varnish removers, and as a solvent for synthetic musk. Hazardous substances disposed of at the Site, including pyridine, acids, and solvents. According to the ROD issued by EPA in August 2002, the following objectives are to be met through the implementation of the remedy selected for Island Chemical Site: • Mitigate the toxicity, mobility, and/or volume of volatile organic compounds (VOCs) (ethyl benzene and xylene) in soils in the Above-ground Storage Tank (AST) area so as to minimize continued leaching to groundwater; • Mitigate the toxicity, mobility, and/or volume of VOCs (mainly ethyl benzene and xylene) in groundwater in the AST area and downgradient so as to achieve maximum contaminant levels (MCLs) and protect potential future groundwater users; • Mitigate the toxicity, mobility, and/or volume of chloroform in groundwater in the Former Process Pit (FPP) area and downgradient so as to achieve MCLs and protect future potential groundwater users; and • Restrict on-Site groundwater use to non-potable purposes until the water quality is restored to MCLs. G. Groundwater - Surface Water Interaction The relatively small watersheds of the three islands, the low storage capacity of their geologic formations, and the high evapotranspiration-to-rainfall ratio has created a streamflow pattern that is highly variable, generally meager, and intermittent on an overall basis. The major streams on each island are: • River Gut, Bethlehem Gut and Jolly Hill Gut on St. Croix; • Turpentine Run and Bonne Resolution Gut on St. Thomas; and • Guinea Gut and Fish Bay/Battery Gut on St. John. With the exception of Turpentine Run (perennial due to discharge from package treatment plants and Publicly Owned Treatment Works (POTWs), no streamflow is perennial, and the basins are steep, having slopes that exceed 35 degrees. These slopes are dissected by numerous stream courses that have steep gradients. Wetlands can be found alongside these intermittent guts and in the lower reaches of some watersheds along the shoreline. These wetlands are being sustained by groundwater discharges into the surface and by flooding during storm events. In September of 2002, DPNR initiated an investigation on the Territory wetlands through the project “ Inventory of U.S.V.I. Wetlands and Riparian Areas” - Phase I. A Non-Point Source Section 319 Grant funds the project. Wetlands have a fundamental importance as sink/filter of non-point source pollutants. Therefore, there is a need to better understand the wetlands characteristics (size, location, types and water quality) in the USVI. The objectives of the project are to update and correct the mapping of 636 wetlands in the Virgin Islands Rapid Environmental Assessment (REA) and design and test basic monitoring tools for wetland characterization in the US Virgin Islands. The monitoring tools are currently being applied to 18 reference watersheds distributed in three broad classes for each island (undisturbed, highly disturbed and intermediate disturbed). The level of disturbance is based on the interpretation of the data produced by the Territory’s Unified Watershed Assessment, the Watershed Restoration Action Strategies and recent 2002 Integrated Water Quality Monitoring and Assessment Report. The 18 watersheds chosen for sampling are presented in the table below: Table IV.H.1 Reference Watersheds For Sampling Watersheds Disturbance Level Reference Intermediate High St. John Reef Bay Leinster Bay Hawksnest Bay Fish Bay Great Cruz Bay Coral Bay St. Croix Creque Dam-Butler Bay Madame Carty Salt River Bay Great Pond Bay HOVENSA Bethlehem St. Thomas Botany Bay Perseverance Bay Magens Bay Smith Bay Jersey Bay Red Hook Bay The water quality monitoring parameters are: temperature, conductivity, salinity, pH, dissolved oxygen, turbidity, fecal and TKN. The sampling is scheduled during the fall season when wetlands are presumed wet during a full daylight periods (between two hours or more after sunrise and two hours or more before sunset). The field tests are scheduled for 5 months from October 2003 to February 2004. Additionally, the project is assessing the effect of stressors on watershed/wetlands areas, based on the condition of the existing landscape/biological community, plants and animals, supported by appropriate chemical and physical data. The indicator chosen for that analysis was the IBI (Index of Biological Integrity), which is a bioassessment measure that integrates several biological metrics to indicate the site’s condition. DPNR is now working on Wetlands Phase II project, financed by EPA 2004 Wetland Program Development Grant. This phase will lead to the adoption of an ambient wetland monitoring and assessment program that builds the Virgin Islands’ capacity to determine the causes, effects, and extent of pollution to wetland resources and develop pollution prevention, reduction, and elimination strategies. Hydrological regime is one important component of the wetland assessment Phase II. The knowledge of the wetlands hydrology will provide information on source, extent and frequency of water supply. Therefore, it will be possible to determine the contribution of groundwater to the wetland maintenance as well as the viability of restoration project. Finally, this project intends to use biological assessment methods to improve the evaluation and ranking of potential wetland sites for management and conservation, such as identify biological assemblage, group wetlands into classes that respond similarly to stressors, establish standard sampling methods, determine what time of year to sample, establish known reference conditions and provide an away to measure divergence from biological integrity. Few people realize the value of our mangroves in filtering sediments and other pollutants, thus maintaining water quality in our nearshore waters. The loss of over 50 percent of our mangrove habitat over the last 70 years due to cutting and land filling for the creation of land and access ways to water has compounded the problem. The loss of our mangrove habitats has resulted in a decline in nearshore water quality as greater quantities of sediments and pollutants entered the sea. This has affected seagrass beds and coral reefs through reduced levels of sunlight penetration and increased stress from chronic sedimentation. Our coral reefs have also suffered from a decline in balanced fish populations as nursery habitats have been destroyed. The general decline in the health of the marine environment of the Virgin Islands threatens our economy via decreases in tourism and in the general quality of life. H. Summary of Principal Territorial and Federal Ground Water Protection Agencies and Organizations Department of Planning and Natural Resources-Division of Environmental Protection. DPNR-DEP is the lead agency for implementation and administration of ground water protection activities in the Virgin Islands. DPNR DEP duties include the development and enforcement of regulations associated with the ground water and wellhead protection, the management of databases containing information on hydro-geology of the Virgin Islands, wells and well-related permits, the mapping of ground water supply well locations, the delineation of wellhead protection areas, and other technical activities. Other agencies with roles for ground water management and protection include the following: VI Water and Power Authority (WAPA). As the major public water supplier in the VI, WAPA assists the Division of Environmental Protection in the delineation of wellhead protection areas around its wells and in the development of inventories of potential pollution sources in the delineated areas. WAPA maintains and provides DEP with data on pumping rates and on ambient ground water quality at its public supply wells. WAPA assists DEP in the development of contingency plans for chemical spills. Underground and aboveground storage tank leaks and other incidents that might pose immediate threats to ground water. VI Department of Health (DOH), Division of Environmental Health (DEH). DOH- DEH is the point of contact for citizens reporting leaking septic systems. VI-DOH coordinates with DEP in its response to reported septic system failures. In addition, VI- DOH is authorized, under. VIC Title 19, Ch. 53, subchapter 1404, to enforce certain provisions of the Virgin Islands Code relating to refuse collection, all aspects of solid waste disposal, sewage disposal including septic tanks and sewage treatment plants, etc., which may affect human health. VI WASTE MANAGEMENT AUTHORITY (VIWMA). VIWMA manages the Publicly Owned Treatment Works (POTWs) in the Territory and has the major responsibility for the management of solid and hazardous waste in the VI (under VIC T19 Chapter..56). It owns and operates the two municipal solid waste landfills in the VI—at Estate Bovoni on St. Thomas and at Estate Anguilla on St. Croix. DPW inherited several inadequately designed POTWs on St. Thomas from defunct developers. Several of these facilities discharge into main drainage ways in central St Thomas, and contribute to elevated nitrate and coliform levels in the ground water. USDA Natural Resources Conservation Service (NRCS). This agency is active in the development of water resources for farmers, including the design and building of agricultural retention ponds, which directly aid in aquifer recharge and address non-point source pollution. NRCS completed the re-mapping of VI soils several years ago and the information should soon be available to assess aquifer vulnerabilities and influence decisions pertaining to development options. NRCS is also involved in the detailed mapping of Virgin Islands watersheds for the 14-Digit Hydrologic Unit Codes. VI Department of Agriculture. The Department of Agriculture controls much of the open-space government land in the Territory. Much of this land is available for farming and grazing activities via leases issued to applicants, however some of the open space land has also been used by WAPA for well field areas. The Adventure we11 field on St. Croix, and in the Carolina well field on St. John, is on DEDA land. In these areas, The Department of Agriculture has the primary responsibility for land use management on non-developed government land. US Geological Survey (USGS) Water Resources Division (WRD): USGS. -WRD completed a comprehensive wellhead location survey for its Ground Water Sites Inventory (GWSI) database in. the Virgin Islands in 1990. USGS has been instrumental in organizing the database information into a GIS format. The information will be available from USGS on a request basis, or through a contractual arrangement if needed. USGS-WRD is also directly involved in mapping Virgin Islands watersheds for the NRCS 14-digit Hydrologic Unit definition activity. Attachment I: 2006 303(d) List of Impaired Waterbodies The 2006 U.S. Virgin Islands 303(d) List April 11, 2006 Revised July 10, 2006 Prepared by: Hector A. Squiabro Water Quality Management Planning Program Coordinator Cyril E. King Airport Terminal Bldg 2 nd Floor St. Thomas, VI 00802 1 I. SUMMARY Section 303(d) of the Clean Water Act requires States and Territories to develop a list of impaired waters needing TMDLs every even-numbered calendar year. A impaired waterbody is one for which technology-based pollution controls are not stringent enough to attain or maintain compliance with applicable State and Territory water quality standards. In order for a water quality-limited waterbody to attain water quality standards, a Total Maximum Daily Load (TMDL) must be developed and implemented specifically for that waterbody and pollutant(s) of concern. A TMDL is a quantitative assessment of the amount of pollution that a certain waterbody can assimilate while still meeting water quality standards. EPA regulations require States and Territories to:
 identify water quality limited waters still requiring TMDLs after the implementation of technology-based or other pollution controls,
 establish a priority ranking of these waters,
 identify pollutants causing impairment,
 identify waters targeted to begin TMDL development over the next two (2) years. II. LIST DEVELOPMENT This 2006 submission, required under Section 303(d)(1)(A) of the Clean Water Act, identifies waters within the territory of the U.S. Virgin Islands that are determined to be, or are suspected to be, “use impaired”. An assessment unit is designated as “use impaired” if the quality of the assessment unit may not meet the water quality standards for protection of designated uses. The complete list of data sources used to develop the U.S.V.I. 2006 Section 303(d) list is as follows:
U.S. Virgin Islands Ambient Monitoring data from Fiscal Years 2004-2005 (VIDPNR)
U.S. Virgin Islands BEACH Monitoring data from Fiscal Years 2004-2005 (VIDPNR)
2004 U.S. Virgin Islands Section 305(b) Report (VIDPNR)
2004 U.S. Virgin Islands 303(d) List (VIDPNR)
Water Quality Data from National Park Service (NPS)
Environmental Monitoring and Assessment Program (EMAP) (EPA) The above list of data represents all existing and readily available data. This data is limited and many waters have been listed based on a suspected impairment. These waters will remain on the list pending further investigations as to a confirmation of the perceived impairment of designated 2 use. The Division of Environmental Protection published a data solicitation notice in the Virgin Islands Daily News announcing that data would be accepted between October 15, 2005 and December 1, 2005. III. DELISTING ACTIONS DPNR has delisted twenty-seven assessment unit/impairment combinations this cycle. Seven of these assessment unit/impairment combinations are eligible for delisting due to new data and information that indicates that WQS are being met: VI-STC-61 Hess Oil Virgin Islands Harbor: - is delisted for Total Fecal Coliform for meeting WQS in two cycles; and - is delisted for Turbidity based on clarifications made in the Water Quality Standards for the US Virgin Islands. This assessment unit has a turbidity exception. VI-STC-64 Manning Bay/Estate Anguilla Beach: - is delisted for Dissolved Oxygen for meeting WQS in two cycles; and - is delisted for Turbidity based on clarifications made in the Water Quality Standards for the US Virgin Islands. This assessment unit has a turbidity exception. VI-STJ-28 Great Cruz Bay: - is delisted for pH for meeting WQS in two cycles; VI-STT-38 Limetree Bay: - is delisted for Total Fecal Coliform for meeting WQS in two cycles. VI-STT-47 Hassel Island at Haulover Cut to Regis Point: - is delisted for pH for meeting WQS in two cycles. Thirteen of these assessment unit/impairment combinations are eligible for delisting because a total maximum daily load has been established and approved by EPA: VI-STC-16 Salt River Lagoon, Marina: - is delisted for Dissolved Oxygen. A TMDL to address Dissolved Oxygen was established in 2004. VI-STC-17 Salt River Lagoon, Sugar Bay: - is delisted for Dissolved Oxygen. A TMDL to address Dissolved Oxygen was established in 2004. VI-STC-18 Salt River Bay: - is delisted for Dissolved Oxygen. A TMDL to address Dissolved Oxygen was 3 established in 2004. VI-STJ-28 Great Cruz Bay: - is delisted for Oil & Grease. A TMDL to address Oil & Grease was established in 2005. VI-STT-10 Magen's Bay: - is delisted for Total Fecal Coliform. A TMDL to address Total Fecal Coliform was established in 2005. VI-STT-23 Vessup Bay: - is delisted for Dissolved Oxygen. A TMDL to address Dissolved Oxygen was established in 2005. - is delisted for Total Fecal Coliform. A TMDL to address Total Fecal Coliform was established in 2005. VI-STT-24 Red Hook Bay: - is delisted for Dissolved Oxygen. A TMDL to address Dissolved Oxygen was established in 2005. - is delisted for Oil & Grease. A TMDL to address Oil & Grease was established in 2005. VI-STT-35 Mangrove Lagoon: - is delisted for Total Fecal Coliform. A TMDL to address Total Fecal Coliform was established in 2005. VI-STT-34 Benner Bay Lagoon Marina: - is delisted for Total Fecal Coliform. A TMDL to address Total Fecal Coliform was established in 2005. VI-STT-38 Limetree Bay: - is delisted for Fecal Coliform. A TMDL to address Total Fecal Coliform was established in 2005. VI-STT-47 Hassel Island at Haulover Cut to Regis Point: - is delisted for Oil & Grease. A TMDL to address Oil & Grease was established in 2005. Seven of these assessment unit/impairment combinations are being delisting they do not fall under the jurisdiction of the US Virgin Islands government. Section IV of this document provides more detail on the rationale for delisting. Some assessment units have shown improvement this cycle. DPNR however feels that to delist based solely on one cycle’s worth of data would be premature. The assessment units that showed 4 significant improvement are: VI-STC-23 St. Croix-By-the-Sea can be delisted next cycle for pH. VI-STC-24 Long Reef Backreef, west can be delisted next cycle for Dissolved Oxygen. VI-STC-27 Long Reef Forereef, east can be delisted next cycle for pH. VI-STC-31 Buccaneer Beach can be delisted next cycle for Turbidity. VI-STC-35 Tamarind Reef Lagoon (Southgate Lagoon) can be delisted next cycle for Turbidity. VI-STC-39 Teague Bay can be delisted next cycle for pH. VI-STC-40 Teague Bay Backreef can be delisted next cycle for pH. VI-STC-61 Hess Oil Virgin Islands Harbor can be delisted next cycle for Dissolved Oxygen. VI-STJ-26 Chocolate Hole can be delisted next cycle for Dissolved Oxygen. VI-STJ-28 Great Cruz Bay can be delisted next cycle for Dissolved Oxygen. VI-STJ-30 Cruz Bay can be delisted next cycle for Dissolved Oxygen. VI-STT-04 Santa Maria Bay can be delisted next cycle for Dissolved Oxygen, pH and Turbidity VI-STT-05 Caret Bay can be delisted next cycle for Dissolved Oxygen and pH. VI-STT-07 Dorthea can be delisted next cycle for Dissolved Oxygen and pH. VI-STT-08 Hull Bay can be delisted next cycle for Dissolved Oxygen and pH. VI-STT-10 Magen's Bay can be delisted next cycle for Dissolved Oxygen. VI-STT-13 Mandahl Bay (Marina) can be delisted next cycle for Dissolved Oxygen, pH and Secchi Depth. VI-STT-15 Sunsi Bay can be delisted next cycle for Dissolved Oxygen and pH. VI-STT-16 Spring Bay can be delisted next cycle for Dissolved Oxygen and pH. VI-STT-17 Mandahl Bay subwatershed,offshore can be delisted next cycle for Dissolved Oxygen, Total Fecal Coliform, Turbidity and pH. VI-STT-18 Water Bay can be delisted next cycle for Dissolved Oxygen. VI-STT-19 Smith Bay can be delisted next cycle for Dissolved Oxygen. VI-STT-22 Red Bay can be delisted next cycle for Turbidity. VI-STT-25 Great Bay can be delisted next cycle for Dissolved Oxygen. VI-STT-38 Limetree Bay can be delisted next cycle for Turbidity. Provided these assessment units continue to show improvement they may be delisted in 2008. On the list attached to this document, red text indicates a parameter an assessment unit was impaired for in the previous cycle but is not impaired this cycle. These parameters will be eligible for delisting in 2008. VI-STC-75 Diamond subwatershed, offshore would be eligible to delisting for Toxicity. A sampling event similar to the one that resulted in the listing of this assessment unit has not been performed yet. The OSV Bold came to the territory in February 2006 and plans to conduct the sampling. VI-STC-75 will be considered for delisting in 2008 provided the results of this sampling prove favorable. DPNR had delisted Dissolved Oxygen for assessment units VI-STT-33 (Benner Bay), VI-STT-34 (Benner Bay Lagoon) and VI-STT-35 (Mangrove Lagoon) in the 2004 submission of the 303(d) list. However, Benner Bay Lagoon Marina (St. Thomas -VI-STT-34) was included in the table in 5 error for Dissolved Oxygen in the 2004 submission. Benner Bay Lagoon Marina (St. Thomas - VI-STT-34) remains delisted for Dissolved Oxygen this cycle and the table in this report has been corrected. IV. U.S. VIRGIN ISLANDS MONUMENT LANDS On November 15, 2002, the U.S. GAO issued an opinion regarding ownership and control of U.S. Virgin Islands Monument Lands. The GAO opinion follows case law, established by the U.S. Supreme Court, and concludes that the U.S. Federal Government has jurisdiction over the submerged lands in question and the waters that flow over them. This means that the U.S. Government has jurisdiction over the waters over Buck Island Reef National Monument and The Virgin Islands Coral Reef Monument. The United States National Park Service is designated, by Presidential Executive Orders, to manage these national monuments. As the Department of Planning and Natural Resources has no authority over these waters, they cannot be added to this list. Furthermore, any previous listing actions for waters under federal jurisdiction are rescinded. Waters that fall under federal jurisdiction include: VI-STJ-01, VI-STJ-02, VI-STJ-03, VI-STJ- 04, VI-STJ-05, VI-STJ-06, VI-STJ-07, VI-STJ-08, VI-STJ-09, VI-STJ-10, VI-STJ-17, VI-STJ- 18, VI-STJ-19, VI-STJ-21, VI-STJ-22, VI-STJ-23, VI-STJ-24, VI-STJ-30, VI-STJ-31, VI-STC- 41, VI-STC-42, VI-STC-43 and VI-STC-44. VI-STJ-10, VI-STJ-23, VI-STJ-24, VI-STJ-30, VISTJ-31, VI-STC-43 and VI-STC-44 Due to the designation of these waters as national monuments, any previous listing actions for waters under federal jurisdiction are rescinded. The following seven assessment unit/impairment combinations are delisted from the USVI 303(d) List because they do not fall under the jurisdiction of the Government of the US Virgin Islands: · STJ-01 Caneel Bay: Dissolved Oxygen, Turbidity · STJ-02 Hawksnest Bay: Dissolved Oxygen · STJ-03 Trunk Bay: Dissolved Oxygen · STJ-05 Cinnamon Bay: Dissolved Oxygen · STJ-06 Maho Bay/Francis Bay: Dissolved Oxygen, Turbidity Ten waters, STJ-04, STJ-07, STJ-08, STJ-09, STJ-17, STJ-18, STJ-19, STJ-21, STJ-22, and STC-41, were never included on the USVI 303(d) List, so they do not need to be delisted. However, these waters were previously monitored and assessed and will no longer be included in the Integrated Report or the Integrated Report categories Finally, seven waters currently contain portions of waters that are not under federal jurisdiction. Six waters, VI-STJ-10, VI-STJ-23, VI-STJ-24, VI-STJ-31, VI-STC-43 and VI-STC-44, are not included on the 303(d) List and assessments included in the Integrated Report pertain to the portions under the jurisdiction of the Government of the US Virgin Islands. One water, VISTJ- 30, remains listed for fecal coliform, turbidity, dissolved oxygen, and secchi depth. For this listing, it will be assumed that the assessments were done for the portions under the jurisdiction of the Government of the US Virgin Islands. The discrepancies between federal and local jurisdiction will be considered when the assessment units are reviewed and revised. 6 V. LISTING ACTION The Environmental Protection Agency released guidance for developing the 2006 Integrated Water Quality Monitoring and Assessment Report that supercedes all previous assessment guidances. Waterbody assessment units are classified into one of five categories. The Virgin Islands has exercised the option of modifying the guidance to better suit DPNR’s reporting needs. Below are the categories DPNR used for 2006 assessments: Category 1 The assessment unit is placed in this category if it meets the water quality standards for the parameters that define support for both Primary Contact Recreation (PCR) & Aquatic Life Use Support (ALUS). Category 2 The assessment unit is placed in this category if it attains water quality standards for the parameters that define support for either PCR or ALUS but data is insufficient to determine support for the other use. In addition, there is no data to indicate that the uses are threatened under the US EPA definition of threatened. Waters with insufficient data will be scheduled for more extensive monitoring in the USVI's multi-year monitoring schedule. Category 3 The assessment unit is placed it this category if insufficient or no data is available to determine if water quality standards are attained and any designated uses are supported. The Virgin Islands considers insufficient data as anything less than four quarters of monitoring data. However, waters with less than four quarters of monitoring data may be reviewed on a case-by-case basis if the limited data strongly suggests that water quality standards are exceeded and the designated uses are impaired. Such waters may be eligible for inclusion on the 303(d) List. Remaining waters with insufficient data will be scheduled for more extensive monitoring in the USVI’s multi-year monitoring schedule. For the 2006 Integrated Report, DEP proposes the following Category 3 subcategories: Category 3A No data is available from any of the identified data sources for the assessment unit in question. Category 3B Insufficient Data is available from any of the identified data sources for the assessment unit in question. Insufficient data is defined as less than four quarters of monitoring data. This category differs from Category 2 in that this condition must apply to all designated uses. Category 3C Inconclusive Data is available from any of the identified data sources for the assessment unit in question. This might include information from studies that do not directly provide information 7 related to water quality standards. Category 3D Unreliable or low quality data is available from any of the identified data sources for the assessment unit in question. Unreliable or low quality data is defined as data sets that have significant gaps, obvious anomalies, etc. Category 4 Assessment units that are found to be partially or not supporting for one or both designated uses are place in category 4 under the appropriate subcategory (4A, 4B, 4C). Category 4A The assessment unit is placed in this category if it was previously listed on the 303(d) list and a total maximum daily load has been established and approved by EPA. Category 4B The assessment unit is placed into this category only if other pollution control requirements are expected to address all water-pollutant combinations and attain all water quality standards within a reasonable period of time. The Virgin Islands considers a reasonable period of time as being the time between reporting cycles. If the impairment is the result of a point source discharge, is expected that the Territorial Pollution Discharge Elimination System (TPDES) program will take appropriate measures to control point source pollution. If the impairment is the result of non- point source pollution, DPNR will provide evidence that a pollution control measure is in place. Category 4C The assessment unit is placed into this category if the impairment was not caused by a pollutant. Assessment units place into this category must show improvement by the next reporting cycle. If the impairment persists because of current conditions it will be moved into Category 5. If the assessment unit shows improvement since the last cycle it will be moved into either Category 1 or 2. If the data available is insufficient to make an assessment, the assessment unit will be moved to Category 3 (see Category 3 for more detail). Category 5 The assessment unit is placed into this category if water quality standards are exceeded in which case a total maximum daily load must be established. Assessment units that are placed into Category 5 will be placed on the 2006 303(d) Total Maximum Daily Load List. The US Virgin Islands has created a standard waterbody delineation that organizes the coastal waters of the Virgin Islands into assessment units. This delineation is based on (in order of consideration): 1. legal limits of water quality classifications 2. subwatershed boundaries 3. shoreline geomorphology 4. benthic geomorphology 8 5. bathymetry 6. benthic habitats 7. 305(d) listing and total maximum daily loads (TMDLs) 8. management areas 9. 305(b) assessment In the 2006 Integrated Report, these delineated assessment units have been grouped into categories. No assessment unit boundaries have changed since the 2004 assessment. The only difference is that the assessment units have been renamed to begin with VI instead of AU. Assessment units that fall into category 5 are listed in the 2006 303(d) list. The following assessment units were listed on the 2004 303(d) and remain listed for impairments listed below. Note that this list includes parameters eligible for delisting next cycle: Salt River Lagoon, Marina (St. Croix - VI-STC-16) contains DPNR ambient monitoring stations STC-33 Salt River Marina and STC-33C Salt River Lagoon, Marina. This assessment unit has been listed for Enterococci, and Fecal Coliform St. Croix-By-the-Sea (St. Croix - VI-STC-23) contains DPNR ambient monitoring station STC- 34 St. Croix by the Sea. This assessment unit has been listed for Dissolved Oxygen and pH. This assessment until can be delisted for pH next cycle. Long Reef Backreef, west (St. Croxi – VI-STC-24) contains DPNR ambient monitoring station STC-48 Long Reef Backreef, west. This assessment unit has been listed for Dissolved Oxygen. This assessment until can be delisted for Dissolved Oxygen next cycle. Christiansted Harbor (St. Croix - VI-STC-26 ) contains DPNR ambient monitoring stations STC- 40 St. Croix Marine, STC-42 Public Wharf, STC-43 Water Gut Storm Drain, STC-46 WAPA Intake, and STC-47 Mill Harbor Condominium Beach. This assessment unit has been listed for Dissolved Oxygen, Enterococci, Fecal Coliform, and Phosphorus. Long Reef Forereef, east (St. Croix - VI-STC-27) contains DPNR ambient monitoring stations STC-35A LBJ (Pump Station) Outfall and STC-36 Long Reef Forereef East. This assessment unit has been listed for Dissolved Oxygen, Turbidity and pH. This assessment until can be delisted for pH next cycle. Buccaneer Beach (St. Croix - VI-STC-31) contains DPNR ambient monitoring station STC-3 Buccaneer Hotel. This assessment unit has been listed for Dissolved Oxygen, Secchi Depth and Turbidity. This assessment until can be delisted for Turbidity next cycle. Tamarind Reef Lagoon (Southgate Lagoon) (St. Croix - VI-STC-35) contains DPNR ambient monitoring station STC-4 Tamarind Reef Lagoon. This assessment unit has been listed for Dissolved Oxygen, Fecal Coliform, Secchi Depth and Turbidity. This assessment until can be delisted for Turbidity next cycle. 9 Southgate subwatershed, offshore (St. Croix - VI-STC-37) contains DPNR ambient monitoring station STC-5 Green Cay Beach. This assessment unit has been listed for Dissolved Oxygen and Fecal Coliform. Teague Bay (St. Croix – VI-STC-39) contains DPNR ambient monitoring station STC-9 St. Croix Yacht Club Beach and STC-8, Reef Club Beach. This assessment unit has been listed for Dissolved Oxygen and Turbidity and pH. This assessment until can be delisted for pH next cycle. Teague Bay Backreef (St. Croix -VI-STC-40) contains DPNR ambient monitoring station STC- 10 Cramer's Park. This assessment unit has been listed for Turbidity and pH. This assessment until can be delisted for pH next cycle. Bugby Hole Backreef (St. Croix - VI-STC-56) contains DPNR ambient monitoring stations STC- 14A Halfpenny Bay – Manchenil and STC-14B Halfpenny Backreef. This assessment unit has been listed for Phosphorus and Turbidity. Hess Oil Virgin Islands Harbor (St. Croix - VI-STC-61) contains DPNR ambient monitoring stations STC-16 HOVENSA East Turning Basin, NW Corner and STC-17 HOVENSA West Turning Basin, NW Corner. This assessment unit has been listed for Phosphorus, Temperature and Dissolved Oxygen. This assessment until can be delisted for Dissolved Oxygen next cycle. Manning Bay/Estate Anguilla Beach (St. Croix - VI-STC-64) contains DPNR ambient monitoring station STC-23 Public Dump. This assessment unit has been listed for Phosphorus. Diamond subwatershed, offshore (St. Croix - VI-STC-75) contains DPNR ambient monitoring station STC-24B Rum Plant (VI Rum) Outfall. This assessment unit has been listed for Dissolved Oxygen, Turbidity, Enterococci, Phosphorus, Secchi Depth and Toxicity. This assessment until can be delisted for Toxicity next cycle. Carlton Beach (St. Croix - VI-STC-76) contains DPNR ambient monitoring station STC-25 Long Point. This assessment unit has been listed for Dissolved Oxygen and Turbidity. Chocolate Hole (St. John – VI-STJ-26) contains DPNR ambient monitoring station STJ-46 Chocolate Hole. This assessment unit has been listed for Dissolved Oxygen. This assessment unit can be delisted for Dissolved Oxygen next cycle. Great Cruz Bay (St. John - VI-STJ-28) contains DPNR ambient monitoring station STJ-45 Great Cruz Bay and NPS monitoring station NPS-25 Great Cruz Bay. This assessment unit has been listed for Turbidity and Dissolved Oxygen. This assessment until can be delisted for Dissolved Oxygen next cycle. Turner Bay/Enighed Pond (St. John - VI-STJ-29) contains DPNR ambient monitoring station STJ-55 Turner Bay and NPS monitoring station NPS-26 Turner Bay. This assessment unit has 10 been listed for Turbidity. Cruz Bay (St. John - VI-STJ-30) contains DPNR ambient monitoring stations STJ-43A Cruz Bay, North, STJ-43B Cruz Bay, South, STJ-43C Cruz Bay, North of Seaplane Ramp, STJ-43D Cruz Bay Creek and NPS monitoring stations NPS-27 Cruz Bay (ferry dock) NPS-28 Cruz Bay, NPS-29 Cruz Bay (NPS dock). This assessment unit has been listed for Fecal Coliform, Turbidity, Secchi Depth and Dissolved Oxygen. This assessment until can be delisted for Dissolved Oxygen next cycle. Santa Maria Bay (St. Thomas - VI-STT-04) contains DPNR ambient monitoring station STT-11 Santa Maria Bay. This assessment unit has been listed for Turbidity, pH and Dissolved Oxygen. This assessment until can be delisted for Turbidity, pH and Dissolved Oxygen next cycle. Caret Bay (St. Thomas - VI-STT-05) contains DPNR ambient monitoring station STT-12 Caret Bay. This assessment unit has been listed for Turbidity, pH and Dissolved Oxygen. This assessment until can be delisted for pH and Dissolved Oxygen next cycle. Dorthea (St. Thomas - VI-STT-07) contains DPNR ambient monitoring stations STT-13 Dorothea. This assessment unit has been listed for Turbidity, pH and Dissolved Oxygen. This assessment until can be delisted for pH and Dissolved Oxygen next cycle. Hull Bay (St. Thomas – VI-STT-08) contains DPNR ambient monitoring stations STT-14 Hull Bay. This assessment unit has been listed for pH and Dissolved Oxygen. This assessment until can be delisted for pH and Dissolved Oxygen next cycle Magen's Bay (St. Thomas - VI-STT-10) contains DPNR ambient monitoring stations STT-15, STT-15A and STT-15B Magens Bay. This assessment unit has been listed for Turbidity and Dissolved Oxygen. This assessment until can be delisted for Dissolved Oxygen next cycle. Mandahl Bay (Marina) (St. Thomas - VI-STT-13) contains DPNR ambient monitoring stations STT-16B Mandahl Bay Entrance and STT-16C Mandahl Point Entrance. This assessment unit has been listed for Enterococci, Fecal Coliform, Dissolved Oxygen, pH and Secchi Depth. This assessment unit can be delisted for Dissolved Oxygen, pH and Secchi Depth next cycle. Sunsi Bay (St. Thomas - VI-STT-15) contains DPNR ambient monitoring station STT-17B Sunsi Bay. This assessment unit has been listed for Dissolved Oxygen and pH. This assessment unit can be delisted for Dissolved Oxygen and pH next cycle. Spring Bay (St. Thomas - VI-STT-16) contains DPNR ambient monitoring station STT-17A Spring Bay. This assessment unit has been listed for Dissolved Oxygen and pH. This assessment unit can be delisted for Dissolved Oxygen and pH next cycle. Mandahl Bay subwatershed,offshore (St. Thomas - VI-STT-17) contains DPNR ambient monitoring station STT-16A Mandahl Bay and STT-18 Coki Point Bay. This assessment unit 11 has been listed for Dissolved Oxygen, Total Fecal Coliform, Turbidity, pH. This assessment unit can be delisted for Dissolved Oxygen, Total Fecal Coliform, Turbidity, pH next cycle. Water Bay (St. Thomas - VI-STT-18) contains DPNR ambient monitoring station STT-19 Water Bay. This assessment unit has been listed for Dissolved Oxygen. This assessment until can be delisted for Dissolved Oxygen next cycle. Smith Bay (St. Thomas - VI-STT-19) contains DPNR ambient monitoring station STT-20 Smith Bay. This assessment unit has been listed for Dissolved Oxygen. This assessment until can be delisted for Dissolved Oxygen next cycle. St. John Bay (St. Thomas - VI-STT-21) contains DPNR ambient monitoring station STT-21A St. John Bay. This assessment unit has been listed for Dissolved Oxygen. Red Bay (St. Thomas - VI-STT-22) contains DPNR ambient monitoring station STT-21B Red Bay. This assessment unit has been listed for Dissolved Oxygen and Turbidity. This assessment unit can be delisted for Turbidity next cycle. Vessup Bay (St. Thomas - VI-STT-23) contains DPNR ambient monitoring station STT-22B Vessup Bay. This assessment unit has been listed for Temperature. Red Hook Bay (St. Thomas - VI-STT-24) contains DPNR ambient monitoring station STT-22A Red Hook Bay. This assessment unit has been listed for Enterococci. Great Bay (St. Thomas – VI-STT-25) contains DPNR ambient monitoring station STT-23 Great Bay. This assessment unit has been listed for Dissolved Oxygen. This assessment unit can be delisted for Dissolved Oxygen next cycle. Benner Bay Lagoon Marina (St. Thomas - VI-STT-34) contains DPNR ambient monitoring stations STT-27D Mangrove Lagoon, Near Lavida Marina and STT-27E Mangrove Lagoon, Near Compass Point. This assessment unit has been listed for Enterococci. Mangrove Lagoon (St. Thomas - VI-STT-35) contains DPNR ambient monitoring stations STT- 27B Mangrove Lagoon, Off Sanitary Landfill (East of Ecotours), STT-27A Mangrove Lagoon, Near Treatment Plant and STT-27C Mangrove Lagoon, Near Tropical Marine Fuel Dock. This assessment unit has been listed for Temperature Frenchman Bay (St. Thomas - VI-STT-37) contains DPNR ambient monitoring station STT-29A Frenchman's Bay. This assessment unit has been listed for Dissolved Oxygen. Limetree Bay (St. Thomas - VI-STT-38) contains DPNR ambient monitoring station STT-29B Limetree. This assessment unit has been listed for Dissolved Oxygen and Turbidity. This assessment until can be delisted for Turbidity next cycle. 12 Morningstar Bay (St. Thomas - VI-STT-39) contains DPNR ambient monitoring stations STT-30 Morning Star Bay. This assessment unit has been listed for Dissolved Oxygen. Gregerie Channel (St. Thomas - VI-STT-45) contains DPNR ambient monitoring station STT-1 Crown Bay, Near Outfall and STT-39 Water Isle, East Gregorie Channel. This assessment unit has been listed for Dissolved Oxygen. Sprat Bay (St. Thomas - VI-STT-46) contains DPNR ambient monitoring station STT-42 Water Island Sprat Bay. This assessment unit has been listed for Dissolved Oxygen. Hassel Island at Haulover Cut to Regis Point (St. Thomas - VI-STT-47) contains DPNR ambient monitoring stations STT-2 Crown Bay, Near Tamarind Outlet and STT-3 Subbase. This assessment unit has been listed for Dissolved Oxygen, Enterococci and Fecal Coliform. Flamingo Bay (St. Thomas - VI-STT-50) contains DPNR ambient monitoring station STT-41 Water Island Flamingo Bay. This assessment unit has been listed for Dissolved Oxygen and Turbidity. In this 2006 assessment, the following are new the 303(d) list: Sprat Hall Beach (St. Croix - VI-STC-06) contains DPNR ambient monitoring station STC-30 Sprat Hall Beach. This assessment unit has been listed for Phosphorus and Turbidity. Baron Bluff subwatershed (St. Croix - VI-STC-13) contains DPNR ambient monitoring station STC-31 Davis Bay. This assessment unit has been listed for Enterococci. Princess subwatershed, offshore (St. Croix - VI-STC-25) contains DPNR ambient monitoring station STC-35 Long Reef Forereef West. This assessment unit has been listed for Dissolved Oxygen. Christiansted Harbor, east (St. Croix - VI-STC-29) contains DPNR ambient monitoring stations STC-1 Lagoon Recreation Beach and STC-39 Altona Lagoon Inlet. This assessment unit has been listed for Dissolved Oxygen and Turbidity. Beauregard Bay (St. Croix - VI-STC-30) contains DPNR ambient monitoring station STC-2 Ft. Louise Augusta Beach. This assessment unit has been listed for Secchi Depth. Canegarden Bay (St. Croix - VI-STC-59) contains DPNR ambient monitoring station STC-15 Cane Garden Bay. This assessment unit has been listed for Turbidity and Phosphorus. Martin-Marietta Alumina Harbor (St. Croix - VI-STC-63) contains DPNR ambient monitoring station STC-20 Alumina Plant Dock and STC-19 Krause Lagoon Channel. This assessment unit has been listed for Dissolved Oxygen and Phosphorus. 13 Hovensa, west (St. Croix - VI-STC-65) contains DPNR ambient monitoring stations STC-22A Treatment Plant (POTW) Outfall and STC-21 Spoils Island (Ruth Island). This assessment unit has been listed for Enterococci, Fecal Coliform and Phosphorus. Sandy Point, nearshore west (St. Croix - VI-STC-82) contains DPNR ambient monitoring station STC-27 Sandy Point Public Beach. This assessment unit has been listed for Turbidity. Round Bay (St. John - VI-STJ-15) contains DPNR ambient monitoring station STJ-53 Coral Bay and NPS monitoring stations NPS-15 Coral Bay Dock, NPS-16 Johnson Bay. This assessment unit has been listed for Turbidity. Rendezvous Bay subwatershed, offshore (St. John - VI-STJ-25) contains DPNR ambient monitoring station STJ-47 Rendezvous Bay and NPS monitoring station NPS-23 Rendezvous Bay. This assessment unit has been listed for Turbidity. Stumpy Bay (St. Thomas - VI-STT-02) contains DPNR ambient monitoring station STT-10 Stumpy Bay. This assessment unit has been listed for Turbidity. Cowpet Bay (St. Thomas - VI-STT-28) contains DPNR ambient monitoring stations STT-24 Cowpet Bay and STT-24A Cowpet Bay West. This assessment unit has been listed for Dissolved Oxygen. Jersey Bay, offshore (St. Thomas - VI-STT-32) contains DPNR ambient monitoring station STT- 25 Nazareth Bay. This assessment unit has been listed for Fecal Coliform. Frenchman Bay subwatershed east (St. Thomas - VI-STT-36) contains DPNR ambient monitoring stations STT-28A Bovoni Bay and STT-28B Bolongo Bay. This assessment unit has been listed for Dissolved Oxygen. Pacquereau Bay (St. Thomas - VI-STT-40) contains DPNR ambient monitoring station STT-31A Flamboyant Cove. This assessment unit has been listed for Dissolved Oxygen. St. Thomas Harbor, inner (St. Thomas - VI-STT-43) contains DPNR ambient monitoring stations STT-31B Hassel Island, Off Navy Dock, STT-31C Hassel Island, Careening Cove, STT-38 Haulover Cut, STT-35 Groden Bay, STT-32B Long Bay, Northeast Corner, STT-32A Long Bay, Near South Dolphin, STT-33A Long Bay, Off Outfall, STT-33B Long Bay, Off Outfall, STT-34 Long Bay, Off Pump Station, STT-36 St. Thomas Harbor, North of Coast Guard Dock, and STT- 37 St. Thomas Harbor, Cay Bay. This assessment unit has been listed for Dissolved Oxygen, Enterococci, and Fecal Coliform. Druif Bay (St. Thomas - VI-STT-49) contains DPNR ambient monitoring station STT-40 Water Isle Hotel, Beach. This assessment unit has been listed for Dissolved Oxygen and Turbidity. Lindbergh Bay (St. Thomas - VI-STT-52) contains DPNR ambient monitoring stations STT-5A 14 Lindbergh Bay, East and STT-5B Lindbergh Bay, West. This assessment unit has been listed for Dissolved Oxygen and Turbidity. Cyril E. King Airport subwatershed, offshore (St. Thomas - VI-STT-53) contains DPNR ambient monitoring station STT-6C S.W. Road, Near Red Point Outfall. This assessment unit has been listed for Dissolved Oxygen. Perseverance Bay, offshore (St. Thomas - VI-STT-54) contains DPNR ambient monitoring station STT-6B Airport College Cove. This assessment unit has been listed for Dissolved Oxygen and Turbidity. Brewers Bay (St. Thomas - VI-STT-55) contains DPNR ambient monitoring stations STT-7A Brewers Bay. This assessment unit has been listed for Dissolved Oxygen. Perseverance Bay (St. Thomas - VI-STT-56) contains DPNR ambient monitoring stations STT- 7B Perseverance Bay. This assessment unit has been listed for Dissolved Oxygen. Fortuna Bay (St. Thomas - VI-STT-57) contains DPNR ambient monitoring stations STT-8 Fortuna Bay. This assessment unit has been listed for Dissolved Oxygen. VI. HIGH PRIORITY WATERS In this cycle, DPNR-DEP has prioritized waters based on whether the impairment is likely due to human or physical factors, the size of the assessment unit, and the proximity of impaired assessment units to one another. High priority assessment units are scheduled as follows: VI-STC-63 Martin-Marietta Alumina Harbor (2009) VI-STC-64 Manning Bay/Estate Anguilla Beach (2009) VI-STC-65 Hovensa, west (2009) VI-STJ-15 Round Bay (2008) VI-STJ-30 Cruz Bay (2009) Assessment units scheduled for TMDL development within the next two years will also be prioritize as high. Section VII of this document itemizes the assessment units scheduled for TMDL development within the next two years. VII. TWO-YEAR SCHEDULE The following assessment units have been scheduled for a TMDL within the next two years: VI-STC-23 St. Croix-By-the-Sea (2008) VI-STC-24 Long Reef Backreef, west (2008) VI-STC-25 Princess subwatershed, offshore (2008) VI-STC-27 Long Reef Forereef, east (2008) 15 VI-STJ-15 Round Bay (2008) VI-STT-43 St. Thomas Harbor, inner (2008) VI-STT-45 Gregerie Channel (2008) VI-STT-46 Sprat Bay (2008) VI-STT-52 Lindbergh Bay (2008) VIII. TMDL SCHEDULE DPNR-DEP has developed a schedule for completion of TMDLs for several waters on the 2006 303(d) list although not required by EPA regulations. TMDL development for the high priority assessment units is detailed under section V of this document. Medium priority assessment units are listed and/or scheduled as follows: St. Croix-By-the-Sea (2008), Princess subwatershed, offshore (2008), Christiansted Harbor, Long Reef Forereef, east (2008), Christiansted Harbor, east, Tamarind Reef Lagoon (Southgate Lagoon) (2010), Canegarden Bay (2009), Mandahl Bay (Marina) (2010), Mandahl Bay subwatershed, offshore (2010), Jersey Bay, offshore (2009), Frenchman Bay subwatershed east (2009), St. Thomas Harbor, inner (2008), Gregerie Channel (2008), Sprat Bay (2008), and Lindbergh Bay (2008). Low priority assessment units are listed and/or scheduled as follows: Sprat Hall Beach (2012), Baron Bluff subwatershed (2012), Long Reef Backreef, west (2008), Beauregard Bay (2013), Buccaneer Beach (2013), Southgate subwatershed, offshore (2010), Teague Bay (2014), Teague Bay Backreef (2014), Bugby Hole Backreef (2015), Carlton Beach (2011), Sandy Point, nearshore west (2011), Rendezvous Bay subwatershed, offshore (2012), Stumpy Bay (2018), Santa Maria Bay (2017), Caret Bay (2017), Dorthea (2016), Hull Bay (2016), Sunsi Bay (2015), Spring Bay (2015), Water Bay (2014), Smith Bay (2014), St. John Bay (2013), Red Bay (2013), Great Bay (2012), Cowpet Bay (2012), Frenchman Bay (2011), Morningstar Bay (2011), Pacquereau Bay (2011), Druif Bay , Flamingo Bay, Cyril E. King Airport subwatershed, offshore, Perseverance Bay, offshore, Brewers Bay, Perseverance Bay, and Fortuna Bay. AU ID AU Name Associated Monitoring Stations Priority Class Impairment Source Listed in 2004? Tentative Year of TMDL Completion VI-STC-06 Sprat Hall Beach STC-30 Sprat Hall Beach Low B Phosphorus, Turbidity Unknown No 2012 VI-STC-13 Baron Bluff subwatershed STC-31 Davis Bay Low B Enterococci Unknown No 2012 VI-STC-16 Salt River Lagoon, Marina STC-33 Salt River Marina, STC-33C Salt River Lagoon, Marina Low B Enterococci, Fecal Coliform Erosion from Derelict Land (Barren Land) Other Marina/ Boating On- vessel Discharges Residential Districts Yes VI-STC-23 St. Croix-By-the-Sea STC-34 St. Croix by the Sea High B Dissolved Oxygen, pH Source Unknown Yes 2008 VI-STC-24 Long Reef Backreef, west STC-48 Long Reef Backreef, west High C Dissolved Oxygen Municipal Point Source Discharges Yes 2008 VI-STC-25 Princess subwatershed, offshore STC-35 Long Reef Forereef West High B Dissolved Oxygen Unknown No 2008 VI-STC-26 Christiansted Harbor STC-40 St. Croix Marine, STC-42 Public Wharf, STC-43 Water Gut Storm Drain, STC-46 WAPA Intake, STC-47 Mill Harbor Condominium Beach Medium C Dissolved Oxygen, Enterococci, Fecal Coliform, Phosphorus Marina Boat Maintenance Marina/Boating Sanitary On-vessel Discharges Discharges from Municipal Combined Storm Sewer Systems Impacts from Resort Areas (Winter and Non-winter Resorts) Other Spill Related Impacts Yes VI-STC-27 Long Reef Forereef, east STC-35A LBJ (Pump Station) Outfall, STC-36 Long Reef Forereef East High B Dissolved Oxygen, Turbidity, pH Marina/Boating Sanitary On-vessel Discharges Discharges from Municipal Combined Storm Sewer Systems Yes 2008 VI-STC-29 Christiansted Harbor, east STC-1 Lagoon Recreation Beach, STC-39 Altona Lagoon Inlet Medium C Dissolved Oxygen, Turbidity Unknown No VI-STC-30 Beauregard Bay STC-2 Ft. Louise Augusta Beach Low B Secchi Depth Unknown No 2013 VI-STC-31 Buccaneer Beach STC-3 Buccaneer Hotel Low B Dissolved Oxygen, Secchi Depth, Turbidity Highways, Roads, Bridges, Infrasturcture (New Construction) Yes 2013 St. Croix AU ID AU Name Associated Monitoring Stations Priority Class Impairment Source Listed in 2004? Tentative Year of TMDL Completion VI-STC-35 Tamarind Reef Lagoon (Southgate Lagoon) STC-4 Tamarind Reef Lagoon Medium B Dissolved Oxygen, Fecal Coliform, Secchi Depth, Turbidity Marina/Boating Sanitary On-vessel Discharges Other Spill Related Impacts Erosion from Derelict Land (Barren Land) Post-development Erosion and Sedimentation Impacts from Resort Areas (Winter and Non-winter Resorts) Discharges from Municipal Combined Storm Sewer Systems Yes 2010 VI-STC-37 Southgate subwatershed, offshore STC-5 Green Cay Beach Low B Dissolved Oxygen, Fecal Coliform Marina Boat Maintenance Marina/Boating Sanitary On-vessel Discharges Non-Point Source Yes 2010 VI-STC-39 Teague Bay STC-9 St. Croix Yacht Club Beach, STC-8 Reef Club Beach Low B Dissolved Oxygen, Turbidity, pH Highway/Road/Bridge Runoff (Non-construction Related) Yes 2014 VI-STC-40 Teague Bay Backreef STC-10 Cramer's Park Low B Turbidity, pH Highways, Roads, Bridges, Infrasturcture (New Construction) Yes 2014 VI-STC-56 Bugby Hole Backreef STC-14A Halfpenny Bay - Manchenil, STC-14B Halfpenny Backreef Low B Phosphorus, Turbidity Unknown Yes 2015 VI-STC-59 Canegarden Bay STC-15 Cane Garden Bay Medium B Phosphorus, Turbidity Unknown No 2009 VI-STC-61 Hess Oil Virgin Islands Harbor STC-16 HOVENSA East Turning Basin, NW Corner, STC-17 HOVENSA West Turning Basin, NW Corner Low C Phosphorus, Temperature, Dissolved Oxygen Unknown Yes VI-STC-63 Martin-Marietta Alumina Harbor STC-20 Alumina Plant Dock, STC-19 Krause Lagoon Channel High / Med C Dissolved Oxygen, Phosphorus Unknown No 2009 VI-STC-64 Manning Bay/Estate Anguilla Beach STC-23 Public Dump High / Med B Phosphorus Highway/ Road/ Bridge Runoff (Non- construction Related) Municipal Point Source Impacts from Inadequate Industrial/ Commercial Pretreatment Yes 2009 AU ID AU Name Associated Monitoring Stations Priority Class Impairment Source Listed in 2004? Tentative Year of TMDL Completion VI-STC-65 Hovensa, west STC-22A Treatment Plant (POTW) Outfall, STC-21 Spoils Island (Ruth Island) High / Med B Enterococci, Fecal Coliform, Phosphorus Municipal Point Source Discharges No 2009 VI-STC-75 Diamond subwatershed, offshore STC-24B Rum Plant (VI Rum) Outfall Low B Dissolved Oxygen, Turbidity, Phosphorus, Enterococci, Secchi Depth, Toxicity Industrial Point Source Discharge Yes VI-STC-76 Carlton Beach STC-25 Long Point Low B Dissolved Oxygen, Turbidity Industrial Point Source Discharge Yes 2011 VI-STC-82 Sandy Point, nearshore west STC-27 Sandy Point Public Beach Low B Turbidity Unknown No 2011 VI-STJ-15 Round Bay STJ-53 Coral Bay, NPS-15 Coral Bay Dock, NPS-16 Johnson Bay High B Turbidity Unknown No 2008 VI-STJ-25 Rendezvous Bay subwatershed, offshore STJ-47 Rendezvous Bay, NPS-23 Rendezvous Bay Low B Turbidity Unknown No 2012 VI-STJ-26 Chocolate Hole STJ-46 Chocolate Hole, NPS-24 ChocLow B Dissolved Oxygen Marina/Boating Sanitary Yes 2011 On-vessel Discharges, Non-Point Source VI-STJ-28 Great Cruz Bay STJ-45 Great Cruz Bay, NPS-25 Great Cruz Bay Low B Turbidity, Dissolved Oxygen Illegal Dumping, Non-Point Source On- site Treatment Systems (Septic Systems and Similar Decentralized Systems) Other Marina/ Boating On- vessel Discharges Other Recreational Pollution Sources Yes VI-STJ-29 Turner Bay/Enighed Pond STJ-55 Turner Bay, NPS-26 Turner Bay Medium B Turbidity Municipal Point Source Discharges Yes 2010 St. John AU ID AU Name Associated Monitoring Stations Priority Class Impairment Source Listed in 2004? Tentative Year of TMDL Completion VI-STJ-30 Cruz Bay STJ-43A Cruz Bay, North, STJ-43B Cruz Bay, South, STJ-43C Cruz Bay, North of Seaplane Ramp, STJ-43D Cruz Bay Creek, NPS-27 Cruz Bay (ferry dock)m NPS-28 Cruz Bay, NPS- 29 Cruz Bay (NPS dock) High B Fecal Coliform, Turbidity, Secchi Depth., Dissolved Oxygen Commercial Ferries Marina Fueling Operations Other Marina/Boating On-vessel Discharges Other Recreational Pollution Sources Yes 2009 VI-STT-02 Stumpy Bay STT-10 Stumpy Bay Low B Turbidity Unknown No 2018 VI-STT-04 Santa Maria Bay STT-11 Santa Maria Bay Low B Dissolved Oxygen, pH, Turbidity Post-development Erosion and Sedimentation Yes 2017 VI-STT-05 Caret Bay STT-12 Caret Bay Low B Turbidity, Dissolved Oxygen, pH Source Unknown Yes 2017 VI-STT-07 Dorthea STT-13 Dorothea Low B Turbidity, Dissolved Oxygen, pH Source Unknown Yes 2016 VI-STT-08 Hull Bay STT-14 Hull Bay Low B Dissolved Oxygen, pH Other Marina/Boating On-vessel Discharges Yes 2016 Other Recreational Pollution Sources VI-STT-10 Magen's Bay STT-15, STT-15A, STT-15B Magens Bay Low B Turbidity, Dissolved Oxygen Highways, Roads, Bridges, Infrasturcture (New Construction) On- site Treatment Systems (Septic Systems and Similar Decentralized Systems) Other Recreational Pollution Sources Changes in Tidal Circulation/ Flushing Highway/ Road/ Bridge Runoff (Non- construction Related) Yes St. Thomas AU ID AU Name Associated Monitoring Stations Priority Class Impairment Source Listed in 2004? Tentative Year of TMDL Completion VI-STT-13 Mandahl Bay (Marina) STT-16B Mandahl Bay Entrance, STT-16C Mandahl Point Entrance Medium B Enterococci, Fecal Coliform, Dissolved Oxygen, pH, Secchi Depth Other Marina/ Boating On- vessel Discharges Other Recreational Pollution Sources Changes in Tidal Circulation/ Flushing Yes 2010 VI-STT-15 Sunsi Bay STT-17B Sunsi Bay Low B Dissolved Oxygen, pH Unknown Yes 2015 VI-STT-16 Spring Bay STT-17A Spring Bay Low B Dissolved Oxygen, pH Unknown Yes 2015 VI-STT-17 Mandahl Bay subwatershed,offshore STT-16A Mandahl Bay, STT-18 Coki Point Bay Medium B Dissolved Oxygen, Total Fecal Coliform, Turbidity, pH Other Marina/ Boating On- vessel Discharges Other Recreational Pollution Sources Illegal Dumping On- site Treatment Systems (Septic Systems and Similar Decentralized Systems) Yes 2010 VI-STT-18 Water Bay STT-19 Water Bay Low B Dissolved Oxygen Unknown Yes 2014 VI-STT-19 Smith Bay STT-20 Smith Bay Low B Dissolved Oxygen On-site Treatment Systems Yes 2014 (Septic Systems and Similar Decencentralized Systems) VI-STT-21 St. John Bay STT-21A St. John Bay Low B Dissolved Oxygen Unknown Yes 2013 VI-STT-22 Red Bay STT-21B Red Bay Low B Dissolved Oxygen, Turbidity Unknown Yes 2013 VI-STT-23 Vessup Bay STT-22B Vessup Bay Low B Temperature Unknown Yes VI-STT-24 Red Hook Bay STT-22A Red Hook Bay Low B Enterococci Unknown Yes VI-STT-25 Great Bay STT-23 Great Bay Low B Dissolved Oxygen Other Marina/ Boating On-vessel Discharges, Internal Nutrient Recycling Yes 2012 VI-STT-28 Cowpet Bay STT-24 Cowpet Bay, STT-24A Cowpet Bay West Low B Dissolved Oxygen Unknown No 2012 AU ID AU Name Associated Monitoring Stations Priority Class Impairment Source Listed in 2004? Tentative Year of TMDL Completion VI-STT-32 Jersey Bay, offshore STT-25 Nazareth Bay Medium B Fecal Coliform Unknown No 2009 VI-STT-34 Benner Bay Lagoon Marina STT-27D Mangrove Lagoon, Near Lavida Marina, STT-27E Mangrove Lagoon, Near Compass Point Low B Enterococci Other Marina/ Boating On- vessel Discharges Discharges from Municipal Combined Storm Sewer Systems Changes in Tidal Circulation/ FlushingHighway/ Road/ Bridge Runoff (Non- construction Related) Sanitary Sewer Overflows (Collection System Failures) Yes VI-STT-35 Mangrove Lagoon STT-27B Mangrove Lagoon, Off Sanitary Landfill (East of Ecotours), STT-27A Mangrove Lagoon, Near Treatment Plant, STT-27C Mangrove Lagoon, Near Tropical Marine Fuel Dock Low B Temperature Changes in Tidal Circulation/ Flushing Discharges from Municipal Combined Storm Sewer Systems Highway/ Road/ Bridge Runoff (Non- construction Related) Other Marina/ Boating On- vessel Discharges Yes VI-STT-36 Frenchman Bay subwatershed east STT-28A Bovoni Bay, STT-28B Bolongo Bay Medium B Dissolved Oxygen Unknown No 2009 VI-STT-37 Frenchman Bay STT-29A Frenchman's Bay Low B Dissolved Oxygen Impacts from Resort Areas (Winter and Non-winter Resorts) Other Recreational Pollution Sources Yes 2011 AU ID AU Name Associated Monitoring Stations Priority Class Impairment Source Listed in 2004? Tentative Year of TMDL Completion VI-STT-38 Limetree Bay STT-29B Limetree Low B Dissolved Oxygen, Turbidity On- site Treatment Systems (Septic Systems and Similar Decentralized Systems) Erosion from Derelict Land (Barren Land) Highways, Roads, Bridges, Infrasturcture (New Construction) Yes 2010 VI-STT-39 Morningstar Bay STT-30 Morning Star Bay Low B Dissolved Oxygen Impacts from Resort Areas (Winter and Non-winter Resorts) Other Recreational Pollution Sources Yes 2011 VI-STT-40 Pacquereau Bay STT-31A Flamboyant Cove Low B Dissolved Oxygen Unknown No 2011 VI-STT-43 St. Thomas Harbor, inner STT-31B Hassel Island, Off Navy Dock, STT-31C Hassel Island, Careening Cove, STT-38 Haulover Cut, STT-35 Groden Bay, STT-32B Long Bay, Northeast Corner, STT- 32A Long Bay, Near South Dolphin, STT-33A Long Bay, Off Outfall, STT- 33B Long Bay, Off Outfall, STT-34 Long Bay, Off Pump Station, STT-36 St. Thomas Harbor, Norht of Coast Guard Dock, STT-37 St. Thomas Harbor, Cay Bay High C Dissolved Oxygen, Enterococci, Fecal Coliform Unknown No 2008 VI-STT-45 Gregerie Channel STT-1 Crown Bay, Near Outfall, STT- 39 Water Isle, East Gregorie Channel High B Dissolved Oxygen Non-Point Source, Marina Boat Maintenance, Marina/Boating Pumpout Releases Yes 2008 VI-STT-46 Sprat Bay STT-42 Water Island Sprat Bay High B Dissolved Oxygen Residential Yes 2008 AU ID AU Name Associated Monitoring Stations Priority Class Impairment Source Listed in 2004? Tentative Year of TMDL Completion VI-STT-47 Hassel Island at Haulover Cut to Regis Point STT-2 Crown Bay, Near Tamarind Outlet, STT-3 Subbase Low C Enterococci, Dissolved Oxygen, Fecal Coliform Dredging (E. g., for Navigation Channels) Wastes from Pets Other Spill Related Impacts Other Marina/ Boating On-vessel Discharges Highway/ Road/ Bridge Runoff (Non- construction Related) Ballast Water Releases Yes VI-STT-49 Druif Bay STT-40 Water Isle Hotel, Beach Low B Dissolved Oxygen, Turbidity Unknown No VI-STT-50 Flamingo Bay STT-41 Water Island Flamingo Bay Low B Dissolved Oxygen, Turbidity Commercial Ferries Residential Districts Other Marina/ Boating On-vessel Discharges Other Recreational Pollution Sources Yes VI-STT-52 Lindbergh Bay STT-5A Lindbergh Bay, East, STT-5B Lindbergh Bay, West High B Dissolved Oxygen, Turbidity Unknown No 2008 VI-STT-53 Cyril E. King Airport subwatershed, offshore STT-6C S.W. Road, Near Red Point Outfall Low B Dissolved Oxygen Unknown No VI-STT-54 Perseverance Bay, offshore STT-6B Airport College Cove Low B Dissolved Oxygen, Turbidity Unknown No VI-STT-55 Brewers Bay STT-7A Brewers Bay Low B Dissolved Oxygen Unknown No VI-STT-56 Perseverance Bay STT-7B Perseverance Bay Low B Dissolved Oxygen Unknown No VI-STT-57 Fortuna Bay STT-8 Fortuna Bay Low B Dissolved Oxygen Unknown No Key AU ID AU Name Associated Monitoring Stations Priority Class Impairment Source Listed in 2004? Tentative Year of TMDL Completion Text in red = paramater/AU eligible for delisting next cycle