HomeMy WebLinkAboutCover page and Table of Contents
Roanoke River Basinwide Water Quality Plan
September 2006
Division of Water Quality North Carolina Department of Basinwide Planning Unit Environment and Natural Resources
Roanoke River Basinwide
Water Quality Plan
September 2006
Prepared by:
Nora Deamer
nora.deamer@ncmail.net
(919) 733-5083 ext. 374
NC Department of Environment & Natural Resources
Division of Water Quality
Planning Section
1617 Mail Service Center
Raleigh, NC 27699-1617
Cover Photograph taken by Mike Yount
This Document was approved by the NC Environmental Management Commission on
September 14, 2006 to be used as a guide by the NC Division of Water Quality for carrying out
its Water Quality Program duties and responsibilities in the Roanoke River basin. This plan is
the third five-year update to the Roanoke River Basinwide Water Quality Plan approved by the
NC Environmental Management Commission in September 1996.
ii Table of Content
TABLE OF CONTENTS
Roanoke River Basin - Executive Summary ...........................................................................xiii
Introduction....................................................................................................................................1
What is Basinwide Water Quality Planning?.............................................................................. 1
Goals of Basinwide Water Quality Planning .............................................................................. 1
Benefits of Basinwide Water Quality Planning .......................................................................... 2
How You Can Get Involved ....................................................................................................... 2
Division of Water Quality Functions and Locations .................................................................. 2
Some Other Reference Materials ................................................................................................ 4
How to Read the Basinwide Plan................................................................................................ 4
Chapter 1 Roanoke River Subbasin 03-02-01.............................................................................7
Including: Dan River, Big Creek, Town Fork, Belews Creek and Snow Creeks ...................7
1.1 Subbasin Overview .......................................................................................................... 7
1.2 Use Support Assessment Summary ............................................................................... 13
1.3 Status and Recommendations of Previously and Newly Impaired Waters.................... 13
1.3.1 Town Fork Creek Watershed [AU# 22-25a & b & 22-25-1]............................. 14
1.3.2 Dan River [AU# 22-(1)b]................................................................................... 15
1.4 Status and Recommendations for Waters with Noted Impacts...................................... 16
1.4.1 Elk Creek [AU# 22-5]....................................................................................... 17
1.4.2 North Double Creek [AU# 22-10]..................................................................... 17
1.4.3 Snow Creek [AU# 22-20].................................................................................. 17
1.4.4 Dan River [AU# 22-(25.5)]................................................................................ 18
1.5 Additional Water Quality Information within Subbasin 03-02-01 ................................ 18
1.5.1 Cascade Creek (Hanging Rock Lake) [AU# 22-12-(2)a].................................. 18
1.5.2 Belews Creek (Kernersville Lake) [AU#22-27-(1.5)]....................................... 18
1.5.3 Belews Lake [AU# 22-27-(7), 22-27-(7.5), (West Belews Creek) 22-27-9-(4)]19
1.5.4 Archies Creek [AU# 22-2]................................................................................. 20
1.5.5 Peters Creek [AU# 22-6]................................................................................... 20
1.6 Additional Water Quality Issues within Subbasin 03-02-01 ......................................... 20
1.6.1 Land Clearing Activities ................................................................................... 20
Chapter 2 Roanoke River Subbasin 03-02-02...........................................................................21
Including: Dan and Mayo Rivers, Pawpaw and Jacobs Creek ..............................................21
2.1 Subbasin Overview ........................................................................................................ 21
2.2 Use Support Assessment Summary ............................................................................... 25
2.3 Status and Recommendations of Previously and Newly Impaired Waters.................... 25
Table of Contents iii
2.3.1 Dan River [AU# 22-(31.5)a].............................................................................. 25
2.4 Status and Recommendations for Waters with Noted Impacts...................................... 26
2.4.1 Pawpaw Creek [AU# 22-30-6-(2)].................................................................... 26
2.4.2 Mayo River [AU# 22-30-(1)]............................................................................. 26
2.4.3 Jacobs Creek [AU# 22-32-(3)]........................................................................... 27
2.4.4 Cadwell Creek [AU# 22-30-2-1-1].................................................................... 28
2.5 Additional Water Quality Issues within Subbasin 03-02-02 ......................................... 28
2.5.1 Land Clearing Activities .................................................................................... 28
Chapter 3 Roanoke River Subbasin 03-02-03...........................................................................29
Including: Dan River, Smith River, Hogans Creek and Wolf Island Creek.........................29
3.1 Subbasin Overview ........................................................................................................ 29
3.2 Use Support Assessment Summary ............................................................................... 34
3.3 Status and Recommendations of Previously and Newly Impaired Waters.................... 34
3.3.1 Dan River [AU# 22-(31.5)b].............................................................................. 34
3.3.2 Dan River [AU # 22-(38.5) & 22-(39)a]............................................................ 35
3.3.3 Smith River [AU # 22-40-(1), 22-40-(2.5) & 22-40-(3)]................................... 36
3.4 Status and Recommendations for Waters with Noted Impacts...................................... 37
3.4.1 Hogans Creek [AU #22-50]............................................................................... 37
3.4.2 Rock House Creek [AU#22-34-(2)]................................................................... 37
3.5 Additional Water Quality Issues within Subbasin 03-02-03 ......................................... 38
3.5.1 Land Clearing Activities .................................................................................... 38
Chapter 4 Roanoke River Subbasin 03-02-04...........................................................................39
Including: Dan River, Country Line Creek, Rattlesnake Creek and Moon Creek..............39
4.1 Subbasin Overview ........................................................................................................ 39
4.2 Use Support Assessment Summary ............................................................................... 43
4.3 Status and Recommendations of Previously and Newly Impaired Waters.................... 43
4.3.1 Dan River [AU # 22-(39)b]................................................................................ 43
4.4 Status and Recommendations for Waters with Noted Impacts...................................... 45
4.4.1 Moon Creek [AU# 22-51].................................................................................. 45
4.4.2 Rattlesnake Creek [AU# 22-52]........................................................................ 46
4.4.3 Cane Creek [AU# 22-54)].................................................................................. 46
4.4.4 Country Line Creek [AU# 22-56-(3.7)]............................................................ 46
4.4.5 Country Line Creek (Farmer Lake) [AU# 22-56-(3.5)].................................... 46
Chapter 5 Roanoke River Subbasin 03-02-05...........................................................................49
Including: Hyco Creek, Hyco Lake, Marlowe Creek, Mayo Creek and Mayo Reservoir...49
5.1 Subbasin Overview ........................................................................................................ 49
iv Table of Content
5.2 Use Support Assessment Summary ............................................................................... 54
5.3 Status and Recommendations of Previously and Newly Impaired Waters.................... 54
5.3.1 Hyco River (Hyco Lake) [AU# 22-58-(0.5)]..................................................... 54
5.3.2 Hyco Creek (North Hyco Creek) [AU # 22-58-1]............................................. 56
5.3.3 Marlowe Creek [AU # 22-58-12-6a & b].......................................................... 56
5.4 Status and Recommendations for Waters with Noted Impacts...................................... 57
5.4.1 Mayo Creek (Maho Creek) [AU # 22-58-15-(3.5)]........................................... 57
5.4.2 Mayo Creek (Mayo Reservoir) [AU #22-58-15-(0.5)]...................................... 58
5.4.3 Storys Creek (Roxboro City Lake) (Lake Isaac Walton) [AU # 22-58-12-(1.5)]
58
5.4.4 South Hyco Creek (Lake Roxboro) [AU # 22-58-4-(1.4)]................................ 59
5.4.5 Hyco River [AU # 22-58-(9.5)]......................................................................... 59
Chapter 6 Roanoke River Subbasin 03-02-06...........................................................................61
Including: Little Island Creek, Nutbush Creek and J.H. Kerr Reservoir .............................61
6.1 Subbasin Overview ........................................................................................................ 61
6.2 Use Support Assessment Summary ............................................................................... 66
6.3 Status and Recommendations of Previously and Newly Impaired Waters.................... 66
6.3.1 Nutbush Creek (AU#23-8-(1)a & b).................................................................. 66
6.3.2 Little Island Creek [AU# 23-4-3]...................................................................... 67
6.4 Status and Recommendations for Waters with Noted Impacts...................................... 68
6.4.1 Island Creek [AU# 23-4]................................................................................... 68
6.4.2 Nutbush Creek Arm of J.H. Kerr Reservoir (below normal pool elevation 300
feet MSL or as this elevation may be adjusted by the Corps of Engineers) [AU# 23-8-
(2)] 68
6.5 Additional Water Quality Issues within Subbasin 03-02-06 ......................................... 69
6.5.1 Significant Ecological Indicator ........................................................................ 69
Chapter 7 Roanoke River Subbasin 03-02-07...........................................................................71
Including: Smith Creek, Sixpound Creek and Lake Gaston ..................................................71
7.1 Subbasin Overview ........................................................................................................ 71
7.2 Use Support Assessment Summary ............................................................................... 75
7.3 Status and Recommendations of Previously and Newly Impaired Waters.................... 75
7.3.1 Smith Creek [AU#23-10a, b & c] watershed, Newmans Creek [AU#23-10-2]75
7.4 Status and Recommendations for Waters with Noted Impacts...................................... 77
7.4.1 Sixpound Creek (AU# 23-13)............................................................................ 77
7.4.2 Roanoke River (Lake Gaston below normal full power pool elevation 200 MSL)
[AU# 23-(12) & 23-(20.2)]............................................................................................ 77
Chapter 8 Roanoke River Subbasin 03-02-08...........................................................................79
Table of Contents v
Including: Roanoke Rapids Lake, Roanoke River, Chockoyotte Creek, Quankey Creek,
Conoconnara Swamp, Occoneechee Creek and Kehukee Swamp ..........................................79
8.1 Subbasin Overview ....................................................................................................... 79
8.2 Use Support Assessment Summary ............................................................................... 84
8.3 Status and Recommendations of Previously and Newly Impaired Waters.................... 84
8.3.1 Roanoke Rapids Lake (Roanoke River) [AU# 23-(22.5)]................................. 85
8.3.2 Quankey Creek [AU #23-30a & b].................................................................... 85
8.4 Status and Recommendations for Waters with Noted Impacts...................................... 86
8.4.1 Bridgers Creek [AU #23-34] ............................................................................. 86
8.4.2 Chockoyotte Creek [AU #23-29]....................................................................... 87
8.4.3 Conoconnara Swamp [AU # 23-33].................................................................. 87
8.4.4 Kehukee Swamp (White Millpond) [AU # 23-42]............................................ 87
8.4.5 Little Quankey Creek [AU # 23-30-1]............................................................... 88
8.4.6 Roanoke River [AU# 23-(26)a & 23-(26)b1].................................................... 88
8.5 Additional Water Quality Issues within Subbasin 03-02-08 ......................................... 89
8.5.1 Primary Nursery Area ........................................................................................ 89
8.5.2 US Army Corps of Engineers ............................................................................ 90
8.5.3 Dominion Power Generation ............................................................................. 90
8.5.4 Conservation Tillage .......................................................................................... 90
Chapter 9 Roanoke River Subbasin 03-02-09...........................................................................93
Including: Roanoke River, Conoho Creek, Sweetwater Creek, Devils Gut, Hardison Mill
Creek and Welch Creek..............................................................................................................93
9.1 Subbasin Overview ........................................................................................................ 93
9.2 Use Support Assessment Summary ............................................................................... 97
9.3 Status and Recommendations of Previously and Newly Impaired Waters.................... 97
9.3.1 Roanoke River [AU# 23-(26)b3 & 23-(53)], Welch Creek [AU# 23-55],
Albemarle Sound (Batchelor Bay)[AU# 24]................................................................. 98
9.4 Status and Recommendations for Waters with Noted Impacts...................................... 99
9.4.1 Conoho Creek [AU# 23-49a & 23-49b].......................................................... 100
9.4.2 Hardison Mill Creek [AU# 23-50-3)].............................................................. 100
9.5 Additional Water Quality Issues within Subbasin 03-02-09 ....................................... 100
9.5.1 Indian Creek [AU# 23-47)].............................................................................. 100
9.5.2 Roanoke River [AU # 23-(26)b2].................................................................... 100
Chapter 10 Roanoke River Subbasin 03-02-10.......................................................................103
Including: Cashie River, Roquist Creek and Hoggard Mill Creek......................................103
10.1 Subbasin Overview ..................................................................................................... 103
10.2 Use Support Assessment Summary ............................................................................ 107
10.3 Status and Recommendations of Previously and Newly Impaired Waters................. 107
vi Table of Content
10.3.1 Cashie River [AU# 24-2-(1)a, 24-2-(1)b, 24-2-(9), 24-2-(11), & 24-2-(15)]. 107
10.4 Status and Recommendations for Waters with Noted Impacts................................... 108
10.4.1 Hoggard Mill Creek [AU# 24-2-6].................................................................. 109
10.5 Additional Water Quality Issues within Subbasin 03-02-10..................................... 109
10.5.1 Roquist Creek [AU# 24-2-7] and Indian Creek [AU# 23-47]........................ 109
Chapter 11 North Carolina Water Quality Standards and Classifications .........................111
11.1 Description of Surface Water Classifications and Standards ..................................... 111
11.1.1 Statewide Classifications ................................................................................. 111
11.1.2 Statewide Water Quality Standards ................................................................. 111
11.2 Reclassification of Surface Waters ............................................................................. 114
11.2.1 Pending and Recent Reclassifications in the Roanoke River Basin ................ 114
Chapter 12 Population Growth, Land Cover Changes and Water Quality.........................117
12.1 General Sources of Pollution ...................................................................................... 117
12.2 Managing the Impacts of Growth, Development, and Stormwater Runoff ................ 118
12.2.1 Introduction...................................................................................................... 118
12.2.2 Effects of Growth and Development in the Roanoke River Basin .................. 118
12.2.3 The Role of Local Governments...................................................................... 119
12.2.4 Maintain and Develop Riparian Buffers .......................................................... 121
12.2.5 Protecting Headwaters ..................................................................................... 121
12.2.6 Reduce Impacts of Future Development.......................................................... 123
Chapter 13 Water Quality Stressors........................................................................................125
13.1 Stressor and Sources Identification............................................................................. 125
13.1.1 Introduction - Stressors .................................................................................... 125
13.1.2 Introduction - Stressor Sources ........................................................................ 125
13.1.3 Overview of Stressors Identified in the Roanoke River Basin ........................ 126
13.1.4 Overview of Stressors Sources Identified in the Roanoke River Basin........... 128
13.2 Aquatic Life Stressors - Habitat Degradation ............................................................. 130
13.2.1 Introduction and Overview .............................................................................. 130
13.2.2 Sedimentation .................................................................................................. 131
13.2.3 Loss of Riparian Vegetation and Organic Aquatic Microhabitats................... 134
13.2.4 Channelization ................................................................................................. 135
13.2.5 Recommendations for Reducing Habitat Degradation .................................... 135
13.3 Aquatic Life Stressors – Water Quality Standard Violations ..................................... 137
13.3.1 Introduction and Overview .............................................................................. 137
13.3.2 Low Dissolved Oxygen.................................................................................... 137
13.3.3 Turbidity .......................................................................................................... 137
13.3.4 Toxic Impacts................................................................................................... 138
13.3.5 Other Aquatic Life Stressors.......................................................................... 138
13.4 Recreation Stressor ..................................................................................................... 138
13.4.1 Fecal Coliform Bacteria ................................................................................... 138
Table of Contents vii
13.5 Fish Consumption Stressors........................................................................................ 140
Chapter 14 Wastewater and Stormwater Programs..............................................................143
14.1 NPDES Wastewater Discharge Permit Summary....................................................... 143
14.2 DWQ Stormwater Programs ....................................................................................... 144
14.2.1 NPDES Phase I ................................................................................................ 144
14.2.2 NPDES Phase II............................................................................................... 145
14.2.3 State Stormwater Program ............................................................................... 147
14.3 Water Supply Watershed Stormwater Rules............................................................... 148
Chapter 15 TMDLs in the Roanoke River Basin...................................................................151
15.1 Introduction to TMDLs............................................................................................... 151
15.2 Approved TMDLs in the Roanoke River Basin ......................................................... 151
15.3 Scheduled TMDLs in the Roanoke River Basin......................................................... 151
15.4 TMDL Implementation Efforts................................................................................... 151
15.5 Impaired Waters – 303(d) listing ................................................................................ 152
Chapter 16 Agriculture and Water Quality............................................................................153
16.1 Animal Operations ...................................................................................................... 153
16.2 Impacted Streams in Agricultural Areas..................................................................... 154
16.3 Agricultural Best Management Practices Funding Opportunities .............................. 156
16.3.1 USDA – NRCS Environmental Quality Incentives Program (EQIP).............. 156
16.3.2 NC Agriculture Cost Share Program ............................................................... 156
16.3.3 Agricultural Sediment Initiative ...................................................................... 159
16.3.4 Conservation Security Program ....................................................................... 159
Chapter 17 Forestry in the Roanoke River Basin...................................................................161
17.1 Forestland Ownership ................................................................................................. 161
17.2 Forestry Water Quality Regulations in North Carolina .............................................. 161
17.2.1 Forest Practices Guidelines for Water Quality (FPGs).................................... 161
17.2.2 Other Forestry Related Water Quality Regulations ......................................... 162
17.2.3 Water Quality Foresters ................................................................................... 162
17.2.4 Forestry Best Management Practices............................................................... 162
17.3 Forest Resources ......................................................................................................... 164
17.3.1 Forest Products Industry .................................................................................. 164
17.3.2 Forest Management.......................................................................................... 164
17.3.3 Urban and Community Forestry ...................................................................... 164
17.3.4 Forestry Accomplishments .............................................................................. 165
Chapter 18 Water Resources ....................................................................................................167
18.1 River Basin Hydrologic Units..................................................................................... 167
viii Table of Content
18.2 Minimum Streamflow ................................................................................................. 168
18.3 Interbasin Transfers .................................................................................................... 169
18.4 Water Quality Issues Related to Drought ................................................................... 170
18.5 Source Water Assessment of Public Water Supplies.................................................. 171
18.5.1 Introduction.................................................................................................... 171
18.5.2 Delineation of Source Water Assessment Areas ........................................... 172
18.5.3 Susceptibility Determination – North Carolina’s Overall Approach............. 172
18.5.4 Source Water Protection ................................................................................ 173
18.5.5 Public Water Supply Susceptibility Determinations in the Roanoke River Basin
174
Chapter 19 Natural Resources .................................................................................................177
19.1 Ecological Significance of the Roanoke River Basin ................................................. 177
19.2 Rare Aquatic and Wetland-Dwelling Animal Species................................................ 177
19.3 Significant Natural Heritage Areas in the Roanoke River Basin................................ 179
19.4 Significant Aquatic Habitats in the Roanoke River Basin.......................................... 183
19.5 Public Conservation Lands ......................................................................................... 184
Chapter 20 Water Quality Initiatives......................................................................................185
20.1 The Importance of Local Initiatives............................................................................ 185
20.2 Federal Initiatives........................................................................................................ 188
20.2.1 Clean Water Act – Section 319 Program......................................................... 188
20.2.2 National Estuary Program................................................................................ 188
20.3 State Initiatives............................................................................................................ 189
20.3.1 Coastal Habitat Protection Plan ..................................................................... 189
20.3.2 North Carolina Ecosystem Enhancement Program.......................................... 189
20.3.3 Clean Water Management Trust Fund ............................................................. 191
20.3.4 NC Construction Grants and Loans Programs................................................. 193
20.3.5 Clean Water Bonds – NC Rural Center ........................................................... 194
20.3.6 Virginia Roanoke River Basin Advisory Committee (VRRBAC) and the
Roanoke River Basin Bi-State Commission ................................................................ 195
References...................................................................................................................................199
Table of Contents ix
APPENDICES
I Population and Growth Trends in the Roanoke River Basin
II Local Governments and Planning Jurisdictions in the Roanoke River Basin
III Land Cover in the Roanoke River Basin
IV DWQ Water Quality Monitoring Programs in the Roanoke River Basin
V Other Water Quality Data in the Roanoke River Basin
VI NPDES Discharges and General Stormwater Permits
VII 303(d) Listing and Reporting Methodology
VIII Roanoke River Basin Nonpoint Source Program Description and Contacts
IX Use Support Methodology and Use Support Ratings
X Glossary of Terms and Acronyms
x Appendices
LIST OF FIGURES
Figure i - General Map Roanoke River Basin………………………………………………….xxv
Figure ii - General Map of Western Portion of the Roanoke River Basin in NC………..……xxvi
Figure iii - General Map of Eastern Portion of the Roanoke River Basin in NC……….....…xxvii
Figure 1 - Basinwide Planning Schedule (2002 to 2007)............................................................... 1
Figure 2 - Division of Water Quality Regional Offices.................................................................. 5
Figure 3 - Roanoke River Subbasin 03-02-01 ................................................................................ 8
Figure 4 - Upper Town Fork Creek Watershed ............................................................................ 14
Figure 5 - Roanoke River Subbasin 03-02-02 .............................................................................. 22
Figure 6 - Roanoke River Subbasin 03-02-03 .............................................................................. 30
Figure 7 - Roanoke River Subbasin 03-02-04 .............................................................................. 40
Figure 8 - Dan River ..................................................................................................................... 44
Figure 9 - Roanoke River Subbasin 03-04-05 .............................................................................. 50
Figure 10 - Roanoke River Subbasin 03-02-06 ............................................................................ 62
Figure 11 - Roanoke River Subbasin 03-02-07 ............................................................................ 72
Figure 12 - Map of Smith Creek Watershed................................................................................. 76
Figure 13 - Roanoke River Subbasin 03-02-08 ............................................................................ 80
Figure 14 - Roanoke River Subbasin 03-02-09 ............................................................................ 94
Figure 15 - Roanoke River Subbasin 03-02-10 .......................................................................... 104
Figure 16 – ORWs, Water Supply Watershed and Trout Waters in the Roanoke River Basin.. 115
Figure 17 - Diagram of Headwater Streams within a Watershed Boundary .............................. 122
Figure 18 - Noted Stressors to Impaired Freshwater Streams Miles and Saltwater Acres in the
Roanoke River Basin.......................................................................................................... 126
Figure 19 - Noted Stressors to Impacted Freshwater Streams/Rivers in the Roanoke River Basin
............................................................................................................................................. 127
Figure 20 - Noted Stressors to Impacted Freshwater Acres in the Roanoke River Basin .......... 127
Figure 21 - Sources of Stressors Identified in the Roanoke River Basin (Freshwater Stream
Miles).................................................................................................................................. 128
Figure 22 - Sources of Stressors Identified in the Roanoke River Basin (Fresh and Saltwater
Acres).................................................................................................................................. 129
Figure 23 - Registered Animal Operations in the Roanoke River basin..................................... 155
Figure 24 - Ownership of Forestland in the Roanoke River Basin............................................. 161
Figure 25 - 8-Digit Hydrologic Units in the Roanoke River Basin ............................................ 175
Figure 26 - Roanoke River Basin Managed Lands and Significant Heritage Areas .................. 180
List of Figures xi
LIST OF TABLES
Table i - Summary of Monitored Waters in the Roanoke River Basin………………………..xviii
Table ii – Monitored Impaired Waters in the Roanoke River Basin……………..……………xxix
Table 1 - Basinwide Planning Schedule (2000 to 2007)................................................................. 3
Table 2 - Five-Year Planning Process for Development of an Individual Basinwide Plan............ 3
Table 3 - DWQ Assessment And Use Support Ratings Summary For Monitored Waters in
Subbasin 03-02-01 .................................................................................................................. 9
Table 4 - DWQ Assessment and Use Support Ratings Summary of Monitored Waters in
Subbasin 03-02-02 ................................................................................................................ 23
Table 5 - DWQ Assessment and Use Support Ratings Summary for Monitored Waters in
Subbasin 03-02-03 ................................................................................................................ 31
Table 6 - DWQ Assessment and Use Support Ratings Summary for Monitored Waters in
Subbasin 03-02-04 ................................................................................................................ 41
Table 7 - DWQ Assessment and Use Support Ratings Summary for Monitored Waters in
Subbasin 03-02-05 ................................................................................................................ 51
Table 8 - DWQ Assessment and Use Support Ratings Summary for Monitored Waters in
Subbasin 03-02-06 ................................................................................................................ 63
Table 9 - DWQ Assessment and Use Support Ratings Summary for Monitored Waters in
Subbasin 03-02-07 ................................................................................................................ 73
Table 10 - DWQ Assessment and Use Support Ratings Summary for Monitored Waters in
Subbasin 03-02-08 ................................................................................................................ 81
Table 11 - DWQ Assessment and Use Support Ratings Summary for Monitored Waters in
Subbasin 03-02-09 ................................................................................................................ 95
Table 12 - DWQ Assessment and Use Support Ratings Summary for Monitored Waters in
Subbasin 03-02-10 .............................................................................................................. 105
Table 13 - Primary and Supplemental Surface Water Classifications........................................ 112
Table 14 - Summary of NPDES Dischargers and Permitted Flows for the Roanoke River Basin
(as of 04/21/05)................................................................................................................... 144
Table 15 - Communities in the Roanoke River Basin Subject to Stormwater Requirements .... 149
Table 16 - Registered Animal Operations in the Roanoke River Basin (as of 01/28/05)........... 154
Table 17 – NC Agriculture Cost Share Programs Contributions, BMPs Implemented and
Potential Loadings Saved within the Roanoke River Basin ............................................... 158
Table 18 - Hydrologic Subdivisions in the Roanoke River Basin .............................................. 167
Table 19 - SWAP Results for Surface Water Sources in the Roanoke River Basin................... 174
Table 20 - Rare aquatic animal species in the Roanoke River Basin (Source: NC Natural
Heritage Program, July 2005)............................................................................................. 178
Table 21 - Local Water Quality Initiatives ................................................................................. 186
Table 22 - Projects in the Roanoke River Basin Funded by the Clean Water Management Trust
Fund (as of August 2005)................................................................................................... 191
Table 23 - NC Construction Grants and Loans Programs disseminated within the Roanoke River
Basin ................................................................................................................................... 194
Table 24 - Clean Water Bonds Awarded in the Roanoke River Basin ....................................... 196
xii List of Tables