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On This Page 303(d) Listed Waters for 2010

Data are also available for these cycles:
2002 2004 2006 2008

Waterbody Changes from Prior Cycle

For More Information:

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North Carolina Water Quality Assessment Report

Assessed Waters of North Carolina by Watershed

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Search for a waterbody within North Carolina
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Display impaired waters and TMDL information only



Site-specific Targeted Monitoring Summary Results

North Carolina (2010)

Description of this table
 
    8,288.5 55,753.9 2,078.5
       391.6 5,005.1
   
                          
                          
                          
                          
    3,791.1 120,711.7 853.9 329.2
                          
                          
           .5               
           3,790.5     120,711.7     853.9     329.2
              96.3     32.0     1.5     .0
                    3,694.2           120,679.7           852.4           329.2
12,079.6 176,465.5 2,932.4 329.2
37,662.0 311,236.0 3,121.0 Unavailable
32.1 56.7 94.0 Unavailable

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Summary of Water Quality Assessments for Each Waterbody Type
for Reporting Year 2010


Site-specific Targeted Monitoring Results

North Carolina Rivers and Streams 2010

Description of this table

All
Rivers and Streams

37,662.0 Miles of Rivers and Streams

Assessed 12,079.6
Unassessed 25,582.4
Total Miles 37,662.0







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Description of this table

Assessed
Rivers and Streams

12,079.6 Miles of
Assessed Rivers and Streams

Good 8,288.5
Threatened .0
Impaired 3,791.1
Total Miles Assessed 12,079.6







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Description of this table

Threatened and Impaired
Rivers and Streams

3,791.1 Miles of
Threatened and Impaired
Rivers and Streams

96.3
.0
.5
3,694.2
Total Threatened and Impaired 3,791.1

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
North Carolina Rivers and Streams 2010

* Waters assessed for more than one designated use are included in multiple designated use groups below.

Description of this table
% Good
% Threatened
% Impaired
Aquatic Life Propagation And Survival 11,680.0 76.0 .0 24.0 color.gifcolor.gif
Drinking Water Supply 746.2 99.1 .0 .9 color.gifcolor.gif
Fishing 968.5 .0 .0 100.0 color.gif
Future Waters Supply 746.2 99.1 .0 .9 color.gifcolor.gif
Primary Contact Recreation 3,648.6 88.7 .0 11.3 color.gifcolor.gif
Secondary Contact Recreation 3,648.6 88.7 .0 11.3 color.gifcolor.gif

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Site-specific Targeted Monitoring Results

Causes of Impairment
North Carolina Rivers and Streams 2010

Description of this table
Ecological/Biological Integrity Benthos Cause Unknown - Impaired Biota color.gif 1,570.6
Turbidity Turbidity color.gif 956.5
Mercury in Fish Tissue Mercury color.gif 920.9
Fecal Coliform Pathogens color.gif 411.4
Ecological/Biological Integrity Fishcom Cause Unknown - Impaired Biota color.gif 404.4
Copper Metals (other than Mercury) color.gif 316.1
Dissolved Oxygen Organic Enrichment/Oxygen Depletion color.gif 177.5
Zinc Metals (other than Mercury) color.gif 106.4
Polychlorinated Biphenyls (PCBs) Polychlorinated Biphenyls (PCBs) color.gif 39.8
Dioxin (Including 2,3,7,8-TCDD) Dioxins color.gif 39.4
pH, Low pH/Acidity/Caustic Conditions color.gif 37.3
Chlorophyll-A Algal Growth color.gif 32.5
Cadmium Metals (other than Mercury) color.gif 24.4
Ammonia, Un-ionized Ammonia color.gif 12.9
Lead Metals (other than Mercury) color.gif 11.8
Aquatic Weeds Noxious Aquatic Plants color.gif 7.5
Legacy Sediment Listing No Water Quality Standard Sediment color.gif 6.9
Nitrates Nutrients color.gif 6.5
Nickel Metals (other than Mercury) color.gif 6.2
pH pH/Acidity/Caustic Conditions color.gif 5.9
Legacy Nutrient Listing No Water Quality Standard Nutrients color.gif 5.4
Chloride Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 3.4
Toxic Impacts Total Toxics color.gif .8

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Site-specific Targeted Monitoring Results

Probable Sources
North Carolina Rivers and Streams 2010

No probable sources of impairments reported.

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Site-specific Targeted Monitoring Results

North Carolina Lakes, Reservoirs, and Ponds 2010

Description of this table

All
Lakes, Reservoirs, and Ponds

311,236.0 Acres of Lakes, Reservoirs, and Ponds

Assessed 176,465.5
Unassessed 134,770.5
Total Acres 311,236.0







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Description of this table

Assessed
Lakes, Reservoirs, and Ponds

176,465.5 Acres of
Assessed Lakes, Reservoirs, and Ponds

Good 55,753.9
Threatened .0
Impaired 120,711.7
Total Acres Assessed 176,465.5







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Description of this table

Threatened and Impaired
Lakes, Reservoirs, and Ponds

120,711.7 Acres of
Threatened and Impaired
Lakes, Reservoirs, and Ponds

32.0
.0
.0
120,679.7
Total Threatened and Impaired 120,711.7

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
North Carolina Lakes, Reservoirs, and Ponds 2010

* Waters assessed for more than one designated use are included in multiple designated use groups below.

Description of this table
% Good
% Threatened
% Impaired
Aquatic Life Propagation And Survival 122,286.5 39.2 .0 60.8 color.gifcolor.gif
Drinking Water Supply 105,548.4 100.0 .0 .0 color.gif
Fishing 47,558.4 .0 .0 100.0 color.gif
Future Waters Supply 105,548.4 100.0 .0 .0 color.gif
Primary Contact Recreation 112,768.9 99.8 .0 .2 color.gifcolor.gif
Secondary Contact Recreation 112,768.9 99.8 .0 .2 color.gifcolor.gif

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Site-specific Targeted Monitoring Results

Causes of Impairment
North Carolina Lakes, Reservoirs, and Ponds 2010

Description of this table
Chlorophyll-A Algal Growth color.gif 66,842.1
pH pH/Acidity/Caustic Conditions color.gif 36,415.1
Mercury in Fish Tissue Mercury color.gif 31,958.0
Turbidity Turbidity color.gif 29,768.5
Dioxin (Including 2,3,7,8-TCDD) Dioxins color.gif 15,600.4
Aquatic Weeds Noxious Aquatic Plants color.gif 4,350.9
Copper Metals (other than Mercury) color.gif 1,291.0
Dissolved Oxygen Organic Enrichment/Oxygen Depletion color.gif 758.2
pH, Low pH/Acidity/Caustic Conditions color.gif 375.3
Fecal Coliform Pathogens color.gif 170.6
Legacy Nutrient Listing No Water Quality Standard Nutrients color.gif 75.3

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Site-specific Targeted Monitoring Results

Probable Sources
North Carolina Lakes, Reservoirs, and Ponds 2010

No probable sources of impairments reported.

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Site-specific Targeted Monitoring Results

North Carolina Bays and Estuaries 2010

Description of this table

All
Bays and Estuaries

3,121.0 Square Miles of Bays and Estuaries

Assessed 2,932.4
Unassessed 188.6
Total Square Miles 3,121.0







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Description of this table

Assessed
Bays and Estuaries

2,932.4 Square Miles of
Assessed Bays and Estuaries

Good 2,078.5
Threatened .0
Impaired 853.9
Total Square Miles Assessed 2,932.4







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Description of this table

Threatened and Impaired
Bays and Estuaries

853.9 Square Miles of
Threatened and Impaired
Bays and Estuaries

1.5
.0
.0
852.4
Total Threatened and Impaired 853.9

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
North Carolina Bays and Estuaries 2010

* Waters assessed for more than one designated use are included in multiple designated use groups below.

Description of this table
% Good
% Threatened
% Impaired
Aquatic Life Propagation And Survival 824.3 11.1 .0 88.9 color.gifcolor.gif
Fishing 110.8 .0 .0 100.0 color.gif
Primary Contact Recreation 910.2 99.5 .0 .5 color.gifcolor.gif
Secondary Contact Recreation 910.2 99.5 .0 .5 color.gifcolor.gif
Shellfishing For Market Purposes 2,241.2 94.8 .0 5.2 color.gifcolor.gif

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Site-specific Targeted Monitoring Results

Causes of Impairment
North Carolina Bays and Estuaries 2010

Description of this table
Copper Metals (other than Mercury) color.gif 631.4
Chlorophyll-A Algal Growth color.gif 122.7
Dioxin (Including 2,3,7,8-TCDD) Dioxins color.gif 110.7
Turbidity Turbidity color.gif 78.8
Shellfish Growing Area-Conditionally Approved Closed Pathogens color.gif 62.6
Shellfish Growing Area-Prohibited Pathogens color.gif 44.8
pH pH/Acidity/Caustic Conditions color.gif 38.5
Nickel Metals (other than Mercury) color.gif 24.0
Dissolved Oxygen Organic Enrichment/Oxygen Depletion color.gif 10.3
pH, Low pH/Acidity/Caustic Conditions color.gif 9.9
Shellfish Growing Area-Conditionally Approved Open Pathogens color.gif 9.6
Enterococcus Bacteria Pathogens color.gif 4.3
Arsenic Metals (other than Mercury) color.gif 2.8
Mercury in Fish Tissue Mercury color.gif 2.4
Recreation Advisory Postings Other Cause color.gif .7
Fecal Coliform Pathogens color.gif .6
Ecological/Biological Integrity Benthos Cause Unknown - Impaired Biota color.gif .1

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Site-specific Targeted Monitoring Results

Probable Sources
North Carolina Bays and Estuaries 2010

No probable sources of impairments reported.

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Site-specific Targeted Monitoring Results

North Carolina Coastal Shoreline 2010

Description of this table
Pie chart not displayed because total size for Coastal Shoreline is unavailable.
Assessed 329.2
Unassessed Unavailable
Total Miles Unavailable







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Description of this table

Assessed
Coastal Shoreline

329.2 Miles of
Assessed Coastal Shoreline

Good .0
Threatened .0
Impaired 329.2
Total Miles Assessed 329.2







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Description of this table

Threatened and Impaired
Coastal Shoreline

329.2 Miles of
Threatened and Impaired
Coastal Shoreline

.0
.0
.0
329.2
Total Threatened and Impaired 329.2

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
North Carolina Coastal Shoreline 2010

* Waters assessed for more than one designated use are included in multiple designated use groups below.

Description of this table
% Good
% Threatened
% Impaired
Fishing 329.2 .0 .0 100.0 color.gif
Primary Contact Recreation 310.6 93.4 .0 6.6 color.gifcolor.gif
Secondary Contact Recreation 310.6 93.4 .0 6.6 color.gifcolor.gif

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Site-specific Targeted Monitoring Results

Causes of Impairment
North Carolina Coastal Shoreline 2010

Description of this table
Mercury in Fish Tissue Mercury color.gif 329.2
Enterococcus Bacteria Pathogens color.gif 19.2
Recreation Advisory Postings Other Cause color.gif 14.9

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Site-specific Targeted Monitoring Results

Probable Sources
North Carolina Coastal Shoreline 2010

No probable sources of impairments reported.

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North Carolina Causes of Impairment for Reporting Year 2010


Description of this table
NOTE: Click on the underlined Cause of Impairment Group to see a list of specific state causes of impairment making up the Cause of Impairment Group. See also Pollution categories summary document (PDF) (20 pp, 557K, About PDF) for brief, non-technical descriptions of general cause categories.
Size of Assessed Waters with Listed Causes of Impairment
Algal Growth 32.5 66,842.1 122.7
Ammonia 12.9
Cause Unknown - Impaired Biota 1,882.1 .1
Dioxins 39.4 15,600.4 110.7
Mercury 920.9 31,958.0 2.4 329.2
Metals (other than Mercury) 364.7 1,291.0 632.0
Noxious Aquatic Plants 7.5 4,350.9
Nutrients 11.9 75.3
Organic Enrichment/Oxygen Depletion 177.5 758.2 10.3
Other Cause .7 14.9
Pathogens 411.4 170.6 119.8 19.2
pH/Acidity/Caustic Conditions 43.2 36,790.4 48.5
Polychlorinated Biphenyls (PCBs) 39.8
Salinity/Total Dissolved Solids/Chlorides/Sulfates 3.4
Sediment 6.9
Total Toxics .8
Turbidity 956.5 29,768.5 78.8

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North Carolina Probable Sources Contributing to Impairments
for Reporting Year 2010

No probable sources reported.

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North Carolina TMDL Alternatives by Cause of Impairment 2010


No TMDL Alternatives reported.

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North Carolina Previously 303(d)-Listed Waters Now Attaining All Applicable Water Quality Standards

Description of this table
NOTE: Click on the underlined "Number of Waters Attaining" value for a detailed list of those previously 303(d)-listed waters now attaining all applicable water quality standards.
2007 color.gif 54 58
2010 color.gif 64 70

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North Carolina Causes of Impairment for 303(d) Listed Waters

Description of this table
NOTE: Click on a cause of impairment (e.g. pathogens) to see the specific state-reported causes that are grouped to make up this category. Click on the "Number of Causes of Impairment Reported" to see a list of waters with that cause of impairment.
Pathogens color.gif 759
Cause Unknown - Impaired Biota color.gif 336
Turbidity color.gif 109
Metals (other than Mercury) color.gif 99
Mercury color.gif 98
Algal Growth color.gif 60
Organic Enrichment/Oxygen Depletion color.gif 32
pH/Acidity/Caustic Conditions color.gif 29
Other Cause color.gif 14
Polychlorinated Biphenyls (PCBs) color.gif 7
Dioxins color.gif 7
Noxious Aquatic Plants color.gif 6
Nutrients color.gif 5
Ammonia color.gif 2
Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 1
Total Toxics color.gif 1
Sediment color.gif 1

Total: 1,566 Causes of Impairment

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North Carolina Cumulative TMDLs by Pollutant

This chart includes TMDLs since October 1, 1995.

Description of this table
NOTE: Click on the underlined "Pollutant" value to see associated listed waters for which a TMDL was developed. Click on the underlined "Number of TMDLs" value to see a listing of those TMDLs for the pollutant.
Number of Causes of
Impairment Addressed
Fecal Coliform color.gif 124 124
Mercury color.gif 36 36
Total Suspended Solids (TSS) color.gif 16 16
Fecal color.gif 15 15
Phosphorus, Total color.gif 11 11
Nitrogen, Total color.gif 10 10
Chlorophyll-A color.gif 7 7
Dissolved Oxygen color.gif 7 7
Aquatic Weeds color.gif 5 5
Dioxin color.gif 5 5
Turbidity color.gif 5 5
Biological Integrity color.gif 4 4
Pollutants in Urban Stormwater color.gif 3 3
Alkalinity color.gif 2 2
Nitrogen color.gif 2 2
Biochemical Oxygen Demand (BOD) color.gif 1 1
Copper color.gif 1 1

Total: 254 TMDLs; 254 Causes of Impairment Addressed


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North Carolina Cumulative Number of TMDLs

EPA Fiscal Year starts October 1 and ends September 30.


Description of this table
NOTE: Click on the underlined "Number of TMDLs Completed" value for a detailed list of the TMDLs for the fiscal year.
1996 color.gif 14 14
1997 color.gif 5 5
1999 color.gif 2 2
2000 color.gif 35 35
2002 color.gif 15 15
2003 color.gif 7 7
2004 color.gif 16 16
2005 color.gif 14 14
2006 color.gif 7 7
2007 color.gif 24 24
2008 color.gif 1 1
2009 color.gif 20 20
2010 color.gif 32 32
2011 color.gif 28 28
2012 color.gif 21 21
2013 color.gif 13 13

Total: 254 TMDLs; 254 Causes of Impairment Addressed

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