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HomeMy WebLinkAbout2001 Roanoke 1Table of ContentsTable of Contents i TABLE OF CONTENTS Executive Summary .....................................................................................................................xiv Section A - General Basinwide Information.................................................................................1 Chapter 1 - Introduction to Basinwide Water Quality Planning...................................................2 1.1 What is Basinwide Water Quality Planning?.............................................................. 2 1.2 Goals of Basinwide Water Quality Planning............................................................... 2 1.3 Major Components of the Basinwide Plan.................................................................. 4 1.4 Benefits of Basinwide Water Quality Planning........................................................... 4 1.5 How to Get Involved.................................................................................................... 5 1.6 Other References.......................................................................................................... 5 1.7 Division of Water Quality Functions and Locations................................................... 6 Chapter 2 - Roanoke River Basin Overview.................................................................................8 2.1 General Overview........................................................................................................ 8 2.2 Local Governments and Planning Jurisdictions in the Basin.................................... 12 2.3 Surface Water Hydrology.......................................................................................... 13 2.4 Land Cover................................................................................................................. 15 2.5 Population and Growth Trends.................................................................................. 18 2.6 Natural Resources...................................................................................................... 23 2.6.1 Public Lands in the Roanoke River Basin.................................................... 23 2.6.2 Ecological Significance of the Roanoke River Basin................................... 25 2.6.3 Rare Aquatic and Wetland-Dwelling Animal Species................................. 27 2.6.4 Significant Natural Heritage Areas in the Roanoke River Basin................. 27 2.7 Permitted Wastewater and Stormwater Discharge Facilities .................................... 29 2.7.1 Wastewater Discharges in the Roanoke River Basin ................................... 29 2.7.2 Stormwater Discharges in the Roanoke River Basin.................................... 30 2.8 Animal Operations..................................................................................................... 32 2.9 Water Quantity Issues................................................................................................ 35 2.9.1 Local Water Supply Planning....................................................................... 35 2.9.2 Water Withdrawals....................................................................................... 36 2.9.3 Interbasin Transfers...................................................................................... 37 2.9.4 Minimum Streamflow................................................................................... 38 2.10 Physical Impacts to Wetlands and Streams............................................................... 40 Table of Contents ii Chapter 3 - Summary of Water Quality Information for the Roanoke River Basin ...................42 3.1 General Sources of Pollution..................................................................................... 42 3.2 Description of Surface Water Classifications and Standards.................................... 43 3.3 DWQ Water Quality Monitoring Programs in the Roanoke River Basin................. 49 3.3.1 Benthic Macroinvertebrate Monitoring........................................................ 49 3.3.2 Fish Assessments.......................................................................................... 51 3.3.3 Aquatic Toxicity Monitoring........................................................................ 54 3.3.4 Lakes Assessment Program.......................................................................... 55 3.3.5 Ambient Monitoring System........................................................................ 55 3.4 Other Water Quality Research................................................................................... 58 3.5 Use Support Summary............................................................................................... 60 3.5.1 Introduction to Use Support.......................................................................... 60 3.5.2 Comparison of Use Support Ratings to Streams on the Section 303(d) List................................................................................................................ 61 3.5.3 Use Support Ratings for the Roanoke River Basin ...................................... 61 Chapter 4 - Water Quality Issues Related to Multiple Watersheds in the Roanoke River Basin69 4.1 Overview....................................................................................................................69 4.2 Habitat Degradation................................................................................................... 69 4.2.1 Sedimentation............................................................................................... 69 4.2.2 Loss of Riparian Vegetation......................................................................... 72 4.2.3 Channelization.............................................................................................. 73 4.2.4 Recommendations for Reducing Habitat Degradation................................. 73 4.3 Urban Runoff............................................................................................................. 74 4.3.1 Urbanization.................................................................................................. 74 4.3.2 Stormwater Regulations................................................................................ 75 4.3.3 Recommendations for Reducing Urban Runoff........................................... 75 4.4 Turbidity in the Dan River Watershed....................................................................... 76 4.4.1 Instream Mining Operations......................................................................... 76 4.4.2 Recommendations......................................................................................... 78 4.5 Dissolved Oxygen in the Lower Roanoke River Basin............................................. 78 4.5.1 Discharges to Zero Flow Streams................................................................. 78 4.5.2 Modeling Dissolved Oxygen in the Roanoke River..................................... 79 4.5.3 Other Dissolved Oxygen Studies.................................................................. 79 4.5.4 Recommendations......................................................................................... 80 4.6 Major Studies Related to Water Quality.................................................................... 80 4.6.1 EPA/Weyerhaeuser Dioxin Contamination Studies..................................... 81 4.6.2 FERC Relicensing of Hydropower Projects................................................. 81 4.6.3 USCOE Section 216 Study........................................................................... 81 4.6.4 Recommendations......................................................................................... 82 4.7 Protecting Headwaters............................................................................................... 82 4.8 Biological Community Assessment Issues................................................................ 82 Table of Contents iii 4.8.1 Draft Criteria for Assessing Benthic Macroinvertebrates in Swamp Streams.......................................................................................................... 82 4.8.2 Draft Criteria for Assessing Fish Communities in Non-Wadeable Streams.......................................................................................................... 83 4.8.3 Fish Consumption Advisories....................................................................... 83 4.8.4 Recommendations for Biological Community Assessment......................... 84 4.9 Effects of Hurricanes on Water Quality.................................................................... 84 4.9.1 Contaminants................................................................................................ 85 4.9.2 De-snagging.................................................................................................. 85 4.9.3 Bank Failure.................................................................................................. 86 4.9.4 Recommendations......................................................................................... 86 4.10 Priority Issues for the Next Five Years...................................................................... 87 4.10.1 Strategies for Restoring and Protecting Impaired Waters............................ 87 4.10.2 Addressing Waters on the State’s 303(d) List.............................................. 87 ---------------------------------------------------------------------------------------------------------------------- Section B - Water Quality Data and Information by Subbasin...................................................89 Chapter 1 - Roanoke River Subbasin 03-02-01 Includes a portion of the Dan River, Town Fork and Snow Creeks ........................90 1.1 Water Quality Overview............................................................................................ 90 1.2 Status and Recommendations for Previously Impaired Waters................................ 94 1.2.1 Belews Lake.................................................................................................. 94 1.3 Status and Recommendations for Newly Impaired Waters....................................... 94 1.3.1 Town Fork Creek.......................................................................................... 94 1.4 Section 303(d) Listed Waters .................................................................................... 95 1.5 Other Issues and Recommendations.......................................................................... 95 1.5.1 Snow Creek................................................................................................... 95 1.5.2 Dan River...................................................................................................... 96 1.5.3 Projected Population Growth........................................................................ 96 1.5.4 NPDES Discharges....................................................................................... 96 Chapter 2 - Roanoke River Subbasin 03-02-02 Includes a portion of the Dan and Mayo Rivers.......................................................97 2.1 Water Quality Overview............................................................................................ 97 2.2 Status and Recommendations for Previously Impaired Waters.............................. 100 2.3 Status and Recommendations for Newly Impaired Waters..................................... 100 2.3.1 Dan River.................................................................................................... 100 2.4 Section 303(d) Listed Waters .................................................................................. 101 2.5 Other Issues and Recommendations........................................................................ 101 2.5.1 Mayo River................................................................................................. 101 2.5.2 Projected Population Growth...................................................................... 102 Table of Contents iv 2.5.3 NPDES Discharges..................................................................................... 102 Chapter 3 - Roanoke River Subbasin 03-02-03 Includes a portion of the Dan and Smith Rivers ....................................................103 3.1 Water Quality Overview.......................................................................................... 103 3.2 Status and Recommendations for Previously Impaired Waters.............................. 106 3.3 Status and Recommendations for Newly Impaired Waters..................................... 107 3.3.1 Smith River................................................................................................. 107 3.3.2 Dan River.................................................................................................... 108 3.4 Section 303(d) Listed Waters .................................................................................. 108 3.5 Other Issues and Recommendations........................................................................ 108 3.5.1 Phase II Stormwater Requirements ............................................................ 108 3.5.2 NPDES Discharges..................................................................................... 109 Chapter 4 - Roanoke River Subbasin 03-02-04 Includes a portion of the Dan River and Country Line Creek................................110 4.1 Water Quality Overview.......................................................................................... 110 4.2 Status and Recommendations for Previously Impaired Waters.............................. 113 4.3 Status and Recommendations for Newly Impaired Waters..................................... 113 4.4 Section 303(d) Listed Waters .................................................................................. 113 4.5 Other Issues and Recommendations........................................................................ 113 4.5.1 Country Line Creek .................................................................................... 114 4.5.2 Dan River.................................................................................................... 114 4.5.3 Projected Population Growth...................................................................... 115 Chapter 5 - Roanoke River Subbasin 03-02-05 Includes Hyco Lake, Marlowe Creek and Mayo Reservoir...................................116 5.1 Water Quality Overview.......................................................................................... 116 5.2 Status and Recommendations for Previously Impaired Waters.............................. 119 5.2.1 Marlowe Creek ........................................................................................... 119 5.2.2 Hyco Lake................................................................................................... 120 5.3 Status and Recommendations for Newly Impaired Waters..................................... 121 5.4 Section 303(d) Listed Waters .................................................................................. 121 5.5 Other Issues and Recommendations........................................................................ 121 5.5.1 Hyco Creek................................................................................................. 122 5.5.2 Projected Population Growth...................................................................... 122 Chapter 6 - Roanoke River Subbasin 03-02-06 Includes a portion of Kerr Reservoir and Nutbush Creek......................................123 6.1 Water Quality Overview.......................................................................................... 123 6.2 Status and Recommendations for Previously Impaired Waters.............................. 127 Table of Contents v 6.2.1 Nutbush Creek ............................................................................................ 127 6.2.2 Anderson Swamp Creek ............................................................................. 127 6.3 Status and Recommendations for Newly Impaired Waters..................................... 128 6.4 Section 303(d) Listed Waters .................................................................................. 128 6.5 Other Issues and Recommendations........................................................................ 128 6.5.1 Projected Population Growth...................................................................... 128 6.5.2 Phase II Stormwater Requirements ............................................................ 129 Chapter 7 - Roanoke River Subbasin 03-02-07 Includes Lake Gaston and Smith, Hawtree and Sixpound Creeks.........................130 7.1 Water Quality Overview.......................................................................................... 130 7.2 Status and Recommendations for Previously Impaired Waters.............................. 133 7.2.1 Lake Gaston................................................................................................ 133 7.2.2 Smith Creek................................................................................................ 134 7.3 Status and Recommendations for Newly Impaired Waters..................................... 135 7.4 Section 303(d) Listed Waters .................................................................................. 135 7.5 Other Issues and Recommendations........................................................................ 135 7.5.1 Lake Gaston................................................................................................ 135 7.5.2 Sixpound Creek........................................................................................... 136 Chapter 8 - Roanoke River Subbasin 03-02-08 Includes Roanoke Rapids Lake and 55 miles of the Roanoke River.....................137 8.1 Water Quality Overview.......................................................................................... 137 8.2 Status and Recommendations for Previously Impaired Waters.............................. 141 8.2.1 Roanoke Rapids Lake................................................................................. 141 8.2.2 Quankey Creek ........................................................................................... 142 8.2.3 Conoconnora Swamp.................................................................................. 143 8.3 Status and Recommendations for Newly Impaired Waters..................................... 143 8.3.1 Roanoke River ............................................................................................ 143 8.4 Section 303(d) Listed Waters .................................................................................. 144 8.5 Other Issues and Recommendations........................................................................ 144 8.5.1 NPDES Discharges..................................................................................... 144 8.5.2 Eroding Streambanks.................................................................................. 145 8.5.3 Phase II Stormwater Requirements ............................................................ 145 8.5.4 Chockoyette Creek...................................................................................... 145 Chapter 9 - Roanoke River Subbasin 03-02-09 Includes the lowest portion of the Roanoke River and tributaries.........................146 9.1 Water Quality Overview.......................................................................................... 146 9.2 Status and Recommendations for Previously Impaired Waters.............................. 150 9.2.1 Welch Creek ............................................................................................... 150 Roanoke River ............................................................................................ 150 Table of Contents vi Albemarle Sound........................................................................................ 150 9.3 Status and Recommendations for Newly Impaired Waters..................................... 150 9.3.1 Roanoke River ............................................................................................ 151 9.4 Section 303(d) Listed Waters .................................................................................. 151 9.5 Other Issues and Recommendations........................................................................ 151 9.5.1 Hardison Mill Creek................................................................................... 151 Deep Run Swamp ....................................................................................... 151 Chapter 10 - Roanoke River Subbasin 03-02-10 Includes the Cashie River, Roquist Creek and tributaries......................................152 10.1 Water Quality Overview.......................................................................................... 152 10.2 Status and Recommendations for Previously Impaired Waters.............................. 155 10.2.1 Cashie River................................................................................................ 155 10.3 Status and Recommendations for Newly Impaired Waters..................................... 155 10.3.1 Cashie River................................................................................................ 156 10.4 Section 303(d) Listed Waters .................................................................................. 156 10.5 Other Issues and Recommendations........................................................................ 156 ---------------------------------------------------------------------------------------------------------------------- Section C - Current and Future Water Quality Initiatives.........................................................157 Chapter 1 - Current Water Quality Initiatives...........................................................................158 1.1 Workshop Summaries.............................................................................................. 158 1.2 Federal Initiatives .................................................................................................... 159 1.2.1 Clean Water Act – Section 319 Program.................................................... 159 1.2.2 USDA – NRCS Environmental Quality Improvement Program (EQIP)... 159 1.2.3 US Fish and Wildlife Service - Roanoke River National Wildlife Refuge......................................................................................................... 160 1.3 State Initiatives ........................................................................................................ 161 1.3.1 Albemarle-Pamlico National Estuary Program.......................................... 161 1.3.2 NC Wetlands Restoration Program ............................................................ 163 1.3.3 Clean Water Management Trust Fund........................................................ 164 1.3.4 NC Agriculture Cost Share Program.......................................................... 165 1.3.5 Coastal Habitat Protection Plans ................................................................ 166 1.3.6 Virginia Department of Environmental Quality......................................... 166 1.3.7 Partnership for the Sounds.......................................................................... 166 1.4 Local Initiatives....................................................................................................... 167 1.4.1 Town of Windsor........................................................................................ 167 1.5 Regional Organizations............................................................................................ 167 1.5.1 Roanoke River Basin Association.............................................................. 167 1.5.2 The Nature Conservancy ............................................................................ 168 1.5.3 Piedmont Land Conservancy...................................................................... 170 Table of Contents vii 1.6 Corporate Initiatives ................................................................................................ 171 1.6.1 Georgia-Pacific Corporation....................................................................... 171 1.7 Citizen Efforts.......................................................................................................... 172 1.7.1 Rockingham County Watershed Preservation Coalition, Inc..................... 172 1.7.2 Roanoke River Partners.............................................................................. 172 Chapter 2 - Future Water Quality Initiatives.............................................................................174 2.1 Overall DWQ Goals for the Future.......................................................................... 174 2.2 DWQ Compliance and Enforcement Policy Revisions........................................... 177 Appendices viii APPENDICES I NPDES Discharges and Individual Stormwater Permits in the Roanoke River Basin II Water Quality Data Collected by DWQ • Benthic Macroinvertebrate Collections • Fish Community Collections • Fish Tissue Assessments III Use Support Methodology and Use Support Ratings IV Section 303(d) Listing and Reporting Methodology V Explanation of Box Plots VI Roanoke River Basin Nonpoint Source Program Description and Contacts VII Glossary of Terms and Acronyms List of Figures ix LIST OF FIGURES Figure A-1 Basinwide Planning Schedule (1999 to 2003)........................................................2 Figure A-2 Water Quality Section Organization Structure........................................................6 Figure A-3 Division of Water Quality Regional Offices...........................................................7 Figure A-4 General Map of the Entire Roanoke River Basin....................................................9 Figure A-5 General Map of the Western Portion of the Roanoke River Basin in North Carolina.................................................................................................................10 Figure A-6 General Map of the Eastern Portion of the Roanoke River Basin in North Carolina.................................................................................................................11 Figure A-7 Land Cover Changes from 1982 to 1997 for the Roanoke River Basin................16 Figure A-8 Percentages within Major Land Cover Categories in the Roanoke River Basin...18 Figure A-9 1998 Population Density by County for the Roanoke River Basin.......................20 Figure A-10 Projected Population Growth (1998-2018) by County for the Roanoke River Basin in North Carolina.........................................................................................21 Figure A-11 Population Data for Selected Municipalities in the North Carolina Portion of the Roanoke River Basin.......................................................................................22 Figure A-12 Public Lands and Significant Natural Heritage Areas of the Roanoke River Basin......................................................................................................................24 Figure A-13 Location of NPDES Permitted Discharges in the Roanoke River Basin..............31 Figure A-14 Estimated Self-Supplied Water Use in the Roanoke River Basin (USGS)...........35 Figure A-15 Water Supply Watersheds and Trout Waters in the Western Portion of the Roanoke River Basin.............................................................................................47 Figure A-16 Water Supply Watersheds and CAMA Coastal Counties in the Eastern Portion of the Roanoke River Basin ..................................................................................48 Figure A-17 Bioclassifications for 35 Roanoke River Basin Benthic Macroinvertebrate Sites Sampled by DWQ in 1999....................................................................................51 Figure A-18 Fish Tissue Samples Exceeding Consumption Criteria at Six Sites Sampled by DWQ in 1994 and 1999 ........................................................................................53 Figure A-19 Summary of Compliance with Aquatic Toxicity Tests in the Roanoke River Basin......................................................................................................................54 Figure A-20 Dissolved Oxygen Concentrations at Ambient Monitoring Stations in the Roanoke River Basin (1980-1999)........................................................................57 Figure A-21 Use Support Ratings for the Western Portion of the Roanoke River Basin..........67 Figure A-22 Use Support Ratings for the Eastern Portion of the Roanoke River Basin...........68 Figure A-23 Permitted Instream Mine Sites in the Dan River Watershed ................................77 Figure B-1 Sampling Locations within Subbasin 03-02-01....................................................91 Figure B-2 Sampling Locations within Subbasin 03-02-02....................................................98 Figure B-3 Sampling Locations within Subbasin 03-02-03..................................................104 Figure B-4 Sampling Locations within Subbasin 03-02-04..................................................111 Figure B-5 Sampling Locations within Subbasin 03-02-05..................................................117 Figure B-6 Sampling Locations within Subbasin 03-02-06..................................................124 Figure B-7 Sampling Locations within Subbasin 03-02-07..................................................131 Figure B-8 Sampling Locations within Subbasin 03-02-08..................................................138 Figure B-9 Sampling Locations within Subbasin 03-02-09..................................................147 List of Figures x Figure B-10 Sampling Locations within Subbasin 03-02-10..................................................153 Figure C-1 Percent of Total Attendance by Various Interests at DWQ Water Quality Workshops in the Roanoke River Basin (2000)..................................................158 Figure C-2 Agriculture Cost Share Program Dollars Expended (1995-1999) in Counties in the Roanoke River Basin.....................................................................................165 Figure C-1 Land in Conservation Ownership in the Roanoke River Basin .........................169 List of Tables xi LIST OF TABLES Table 1 Aquatic Life/Secondary Recreation Use Support Summary Information for Waters in the Roanoke River Basin (1999)..........................................................xvi Table 2 Fish Consumption Use Support Summary Information for Waters in the Roanoke River Basin (1999)...............................................................................xvii Table 3 Primary Recreation Use Support Summary Information for Waters in the Roanoke River Basin (1999)...............................................................................xvii Table 4 Water Supply Use Support Summary Information for Waters in the Roanoke River Basin (1999).............................................................................................xviii Table 5 Monitored Impaired Waters within the Roanoke River Basin (as of 1999).........xix Table A-1 Schedule for Second Cycle of Basinwide Planning (1998 to 2003).......................3 Table A-2 Five-Year Process for Development of an Individual Basinwide Water Quality Plan........................................................................Error! Bookmark not defined. Table A-3 Local Governments and Planning Units within the Roanoke River Basin...........12 Table A-4 Hydrologic Subdivisions in the Roanoke River Basin..........................................13 Table A-5 Statistics for Major Lakes (Entire Size Calculations) in the Roanoke River Basin......................................................................................................................14 Table A-6 Estimated Land Cover Acreage for the Roanoke River Basin - 1982 vs. 1997....16 Table A-7 Description of Land Cover Types (USDA-NRCS 1997 NRI)..............................17 Table A-8 Description of CGIA Land Cover Categories.......................................................18 Table A-9 Roanoke River Subbasin Population (1970, 1980, 1990), Percent Population Change and Land Area Summaries.......................................................................19 Table A-10 Population and Percent Change for Municipalities Greater Than 2,000 Located Wholly or Partly in the Basin as of March 2001...................................................22 Table A-11 Past, Projected and Change in Population (2000 to 2020) by County as of March 2001 ...........................................................................................................23 Table A-12 Rare and Threatened Aquatic Species in the Roanoke River Basin......................27 Table A-13 Summary of NPDES Dischargers and Permitted Flows.......................................29 Table A-14 Registered Animal Operations in the Roanoke River Basin (as of 1/20/2000).....34 Table A-15 Estimated Populations of Swine, Dairy and Poultry in the Roanoke River Basin (1998 and 1994)..........................................................................................34 Table A-16 Registered Water Withdrawals in the Roanoke River Basin (August 2000)........36 Table A-17 Interbasin Transfers in the Roanoke River Basin (1997)......................................38 Table A-18 Minimum Streamflow Projects in the Roanoke River Basin................................39 Table A-19 Flow Augmentation...............................................................................................40 Table A-20 Primary and Supplemental Surface Water Classifications....................................43 Table A-21 Summary of Bioclassifications for All Freshwater Benthic Macroinvertebrate Sites (using the most recent rating for each site) in the Roanoke River Basin .....50 Table A-22 Summary of NCIBI Categories for All Freshwater Fish Community Sites (using the most recent rating for each site) in the Roanoke River Basin..............52 Table A-23 Ambient Monitoring System Stations within the Roanoke River Basin...............56 Table A-24 USGS Continuous Monitoring Station Daily Average Dissolved Oxygen (DO) Data Summary for the Roanoke River Basin (1/98-8/99).....................................59 List of Tables xii Table A-25 USGS Continuous Monitoring Station Instantaneous Dissolved Oxygen (DO) Data Summary for the Roanoke River Basin (1/98-8/99).....................................59 Table A-25 Aquatic Life/Secondary Recreation Use Support Ratings for Monitored and Evaluated Waters Listed by Subbasin in Miles (1995-1999)................................62 Table A-26 Aquatic Life/Secondary Recreation Use Support Summary Information for Waters in the Roanoke River Basin (1999)...........................................................62 Table A-27 Fish Consumption Use Support Ratings for Monitored Waters Listed by Subbasin in Miles (1995-1999).............................................................................63 Table A-28 Fish Consumption Use Support Summary Information for Waters in the Roanoke River Basin (1999).................................................................................63 Table A-29 Primary Recreation Use Support Summary Information for Waters in the Roanoke River Basin (1999).................................................................................64 Table A-30 Water Supply Use Support Summary Information for Waters in the Roanoke River Basin (1999)................................................................................................64 Table A-31 Monitored Impaired Waters within the Roanoke River Basin (as of 2000) 1.........66 Table B-1 DWQ Monitoring Locations and Benthic Macroinvertebrate Bioclassifications (1999-2000) for Roanoke River Subbasin 03-02-01.............................................92 Table B-2 Use Support Ratings Summary (1999) for Monitored Lakes (acres) in Roanoke River Subbasin 03-02-01.......................................................................................93 Table B-3 Use Support Ratings Summary (1999) for Monitored and Evaluated Freshwater Streams (miles) in Roanoke River Subbasin 03-02-01.........................................93 Table B-4 DWQ Monitoring Locations and Benthic Macroinvertebrate Bioclassifications (1999) for Roanoke River Subbasin 03-02-02......................................................99 Table B-5 Use Support Ratings Summary (1999) for Monitored and Evaluated Freshwater Streams (miles) in Roanoke River Subbasin 03-02-02.......................................100 Table B-6 DWQ Monitoring Locations and Benthic Macroinvertebrate Bioclassifications (1999) for Roanoke River Subbasin 03-02-03....................................................105 Table B-7 Use Support Ratings Summary (1999) for Monitored and Evaluated Freshwater Streams (miles) in Roanoke River Subbasin 03-02-03.......................................106 Table B-8 DWQ Monitoring Locations and Benthic Macroinvertebrate Bioclassifications (1999) for Roanoke River Subbasin 03-02-04....................................................112 Table B-9 Use Support Ratings Summary (1999) for Monitored Lakes (acres) in Roanoke River Subbasin 03-02-04.....................................................................................112 Table B-10 Use Support Ratings Summary (1999) for Monitored and Evaluated Freshwater Streams (miles) in Roanoke River Subbasin 03-02-04.......................................113 Table B-11 DWQ Monitoring Locations and Benthic Macroinvertebrate Bioclassifications (1999) for Roanoke River Subbasin 03-02-05....................................................118 Table B-12 Use Support Ratings Summary (1999) for Monitored Lakes (acres) in Roanoke River Subbasin 03-02-05.....................................................................................119 Table B-13 Use Support Ratings Summary (1999) for Monitored and Evaluated Freshwater Streams (miles) in Roanoke River Subbasin 03-02-05.......................................119 Table B-14 DWQ Monitoring Locations and Benthic Macroinvertebrate Bioclassifications (1999) for Roanoke River Subbasin 03-02-06....................................................125 Table B-15 Use Support Ratings Summary (1999) for Monitored Lakes (acres) in Roanoke River Subbasin 03-02-06.....................................................................................126 Table B-16 Use Support Ratings Summary (1999) for Monitored and Evaluated Freshwater Streams (miles) in Roanoke River Subbasin 03-02-06.......................................126 List of Tables xiii Table B-17 DWQ Monitoring Locations and Benthic Macroinvertebrate Bioclassifications (1999) for Roanoke River Subbasin 03-02-07....................................................132 Table B-18 Use Support Ratings Summary (1999) for Monitored Lakes (acres) in Roanoke River Subbasin 03-02-07.....................................................................................133 Table B-19 Use Support Ratings Summary (1999) for Monitored and Evaluated Freshwater Streams (miles) in Roanoke River Subbasin 03-02-07.......................................133 Table B-20 DWQ Monitoring Locations and Benthic Macroinvertebrate Bioclassifications (1999) for Roanoke River Subbasin 03-02-08....................................................139 Table B-21 Use Support Ratings Summary (1999) for Monitored Lakes (acres) in Roanoke River Subbasin 03-02-08.....................................................................................140 Table B-22 Use Support Ratings Summary (1999) for Monitored and Evaluated Freshwater Streams (miles) in Roanoke River Subbasin 03-02-08.......................................141 Table B-23 DWQ Monitoring Locations and Benthic Macroinvertebrate Bioclassifications (1999) for Roanoke River Subbasin 03-02-09....................................................148 Table B-24 Use Support Ratings Summary (1999) for Monitored and Evaluated Freshwater Streams (miles) in Roanoke River Subbasin 03-02-09.......................................149 Table B-25 DWQ Monitoring Locations and Benthic Macroinvertebrate Bioclassifications (1999) for Roanoke River Subbasin 03-02-10....................................................154 Table B-26 Use Support Ratings Summary (1999) for Monitored and Evaluated Freshwater Streams (miles) in Roanoke River Subbasin 03-02-10.......................................155 Table C-1 Wetlands Restoration Program Targeted Local Watersheds (2000)...................164 Table C-2 Projects in the Roanoke River Basin Funded by the Clean Water Management Trust Fund (as of 7/00)........................................................................................164 List of Tables 14