Site-specific Targeted Monitoring Summary Results

North Carolina (2006)

	Size of Water
	Rivers and Streams (Miles)	Lakes, Reservoirs, and Ponds (Acres)	Bays and Estuaries (Square Miles)	Coastal Shoreline (Miles)	Wetlands (Acres)
Good Waters	3,502.0	48,690.9			632,055.7
Previously impaired waters       now attaining all uses	2,593.3	29,990.1	31.8		18,658.4
Threatened Waters
TMDL completed
TMDL alternative
Non-pollutant impairment
TMDL needed
Impaired Waters	3,577.6	58,389.2	.0	321.9	110,000.5
TMDL completed
TMDL alternative
Non-pollutant impairment
TMDL needed	3,577.6	58,389.2	.0	321.9	110,000.5
New TMDLs completed	103.9	7,535.5	.0	.0	3,005.4
Remaining TMDLs needed	3,473.6	50,853.6	.0	321.9	106,995.1
Total Assessed Waters	7,079.6	107,080.1	.0	321.9	742,056.2
Total Waters	37,662.0	311,236.0	3,121.0	Unavailable	7,175,000.0
Percent of Waters Assessed	18.8	34.4	.0	Unavailable	10.3

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Summary of Water Quality Assessments for Each Waterbody Type
for Reporting Year 2006

Site-specific Targeted Monitoring Results

North Carolina Rivers and Streams 2006

Description of this table All Rivers and Streams 37,662.0 Miles of Rivers and Streams Assessed Status Miles Assessed 7,079.6 Unassessed 30,582.4 Total Miles 37,662.0

Description of this table Assessed Rivers and Streams 7,079.6 Miles of Assessed Rivers and Streams Attainment Status Miles Good 3,502.0 Threatened .0 Impaired 3,577.6 Total Miles Assessed 7,079.6

Description of this table Threatened and Impaired Rivers and Streams 3,577.6 Miles of Threatened and Impaired Rivers and Streams TMDL Development Status Miles All TMDLs completed 103.9 TMDL alternative .0 Non-pollutant impairment .0 TMDL needed 3,473.6 Total Threatened and Impaired 3,577.6

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
North Carolina Rivers and Streams 2006

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

Designated Use	Miles Assessed	Percent Good	Percent Threatened	Percent Impaired	% Good
					% Threatened
					% Impaired
Overall Use	7,079.6	49.5	.0	50.5

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Site-specific Targeted Monitoring Results

Causes of Impairment
North Carolina Rivers and Streams 2006

Cause of Impairment	Cause of Impairment Group	Miles Threatened or Impaired
Biological Integrity	Cause Unknown - Impaired Biota	1,668.5
Mercury in Fish Tissue	Mercury	520.0
Dissolved Oxygen	Organic Enrichment/Oxygen Depletion	292.7
Turbidity	Turbidity	282.5
pH	pH/Acidity/Caustic Conditions	175.2
Fecal Coliform	Pathogens	151.1
Nutrients	Nutrients	34.1
Copper	Metals (other than Mercury)	27.4
Chlorophyll-A	Algal Growth	24.7
Toxicity	Total Toxics	17.9
Organic Enrichment (Sewage) Biological Indicators	Organic Enrichment/Oxygen Depletion	13.1
Aquatic Plants - Native	Nuisance Native Species	6.9
Lindane	Pesticides	6.6
Dioxin (Including 2,3,7,8-TCDD)	Dioxins	6.4
Chlorine	Chlorine	4.4
Iron	Metals (other than Mercury)	.9
Zinc	Metals (other than Mercury)	.9

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Site-specific Targeted Monitoring Results

Probable Sources
North Carolina Rivers and Streams 2006

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Site-specific Targeted Monitoring Results

North Carolina Lakes, Reservoirs, and Ponds 2006

Description of this table All Lakes, Reservoirs, and Ponds 311,236.0 Acres of Lakes, Reservoirs, and Ponds Assessed Status Acres Assessed 107,080.1 Unassessed 204,155.9 Total Acres 311,236.0

Description of this table Assessed Lakes, Reservoirs, and Ponds 107,080.1 Acres of Assessed Lakes, Reservoirs, and Ponds Attainment Status Acres Good 48,690.9 Threatened .0 Impaired 58,389.2 Total Acres Assessed 107,080.1

Description of this table Threatened and Impaired Lakes, Reservoirs, and Ponds 58,389.2 Acres of Threatened and Impaired Lakes, Reservoirs, and Ponds TMDL Development Status Acres All TMDLs completed 7,535.5 TMDL alternative .0 Non-pollutant impairment .0 TMDL needed 50,853.6 Total Threatened and Impaired 58,389.2

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
North Carolina Lakes, Reservoirs, and Ponds 2006

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

Designated Use	Acres Assessed	Percent Good	Percent Threatened	Percent Impaired	% Good
					% Threatened
					% Impaired
Overall Use	107,080.1	45.5	.0	54.5

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Site-specific Targeted Monitoring Results

Causes of Impairment
North Carolina Lakes, Reservoirs, and Ponds 2006

Cause of Impairment	Cause of Impairment Group	Acres Threatened or Impaired
Mercury in Fish Tissue	Mercury	29,113.2
Chlorophyll-A	Algal Growth	16,402.7
Turbidity	Turbidity	10,449.7
Aquatic Plants - Native	Nuisance Native Species	5,140.6
pH	pH/Acidity/Caustic Conditions	3,494.0
Dioxin (Including 2,3,7,8-TCDD)	Dioxins	1,475.5
Biological Integrity	Cause Unknown - Impaired Biota	905.7
Nutrients	Nutrients	75.3

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Site-specific Targeted Monitoring Results

Probable Sources
North Carolina Lakes, Reservoirs, and Ponds 2006

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Site-specific Targeted Monitoring Results

North Carolina Bays and Estuaries 2006

Description of this table All Bays and Estuaries 3,121.0 Square Miles of Bays and Estuaries Assessed Status Square Miles Assessed .0 Unassessed 3,121.0 Total Square Miles 3,121.0

Description of this table Assessed Bays and Estuaries .0 Square Miles of Assessed Bays and Estuaries Attainment Status Square Miles Good .0 Threatened .0 Impaired .0 Total Square Miles Assessed .0

Description of this table Threatened and Impaired Bays and Estuaries .0 Square Miles of Threatened and Impaired Bays and Estuaries TMDL Development Status Square Miles All TMDLs completed .0 TMDL alternative .0 Non-pollutant impairment .0 TMDL needed .0 Total Threatened and Impaired .0

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
North Carolina Bays and Estuaries 2006

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Site-specific Targeted Monitoring Results

Causes of Impairment
North Carolina Bays and Estuaries 2006

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Site-specific Targeted Monitoring Results

Probable Sources
North Carolina Bays and Estuaries 2006

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Site-specific Targeted Monitoring Results

North Carolina Coastal Shoreline 2006

Description of this table Pie chart not displayed because total size for Coastal Shoreline is unavailable. Assessed Status Miles Assessed 321.9 Unassessed Unavailable Total Miles Unavailable

Description of this table Assessed Coastal Shoreline 321.9 Miles of Assessed Coastal Shoreline Attainment Status Miles Good .0 Threatened .0 Impaired 321.9 Total Miles Assessed 321.9

Description of this table Threatened and Impaired Coastal Shoreline 321.9 Miles of Threatened and Impaired Coastal Shoreline TMDL Development Status Miles All TMDLs completed .0 TMDL alternative .0 Non-pollutant impairment .0 TMDL needed 321.9 Total Threatened and Impaired 321.9

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
North Carolina Coastal Shoreline 2006

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

Designated Use	Miles Assessed	Percent Good	Percent Threatened	Percent Impaired	% Good
					% Threatened
					% Impaired
Overall Use	321.9	.0	.0	100.0

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Site-specific Targeted Monitoring Results

Causes of Impairment
North Carolina Coastal Shoreline 2006

Cause of Impairment	Cause of Impairment Group	Miles Threatened or Impaired
Mercury in Fish Tissue	Mercury	321.9

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Site-specific Targeted Monitoring Results

Probable Sources
North Carolina Coastal Shoreline 2006

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Site-specific Targeted Monitoring Results

North Carolina Wetlands 2006

Description of this table All Wetlands 7,175,000.0 Acres of Wetlands Assessed Status Acres Assessed 742,056.2 Unassessed 6,432,943.8 Total Acres 7,175,000.0

Description of this table Assessed Wetlands 742,056.2 Acres of Assessed Wetlands Attainment Status Acres Good 632,055.7 Threatened .0 Impaired 110,000.5 Total Acres Assessed 742,056.2

Description of this table Threatened and Impaired Wetlands 110,000.5 Acres of Threatened and Impaired Wetlands TMDL Development Status Acres All TMDLs completed 3,005.4 TMDL alternative .0 Non-pollutant impairment .0 TMDL needed 106,995.1 Total Threatened and Impaired 110,000.5

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
North Carolina Wetlands 2006

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

Designated Use	Acres Assessed	Percent Good	Percent Threatened	Percent Impaired	% Good
					% Threatened
					% Impaired
Overall Use	742,056.2	85.2	.0	14.8

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Site-specific Targeted Monitoring Results

Causes of Impairment
North Carolina Wetlands 2006

Cause of Impairment	Cause of Impairment Group	Acres Threatened or Impaired
Fecal Coliform	Pathogens	54,394.8
Dissolved Oxygen	Organic Enrichment/Oxygen Depletion	7,174.6
pH	pH/Acidity/Caustic Conditions	6,360.4
Chlorophyll-A	Algal Growth	2,654.0

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Site-specific Targeted Monitoring Results

Probable Sources
North Carolina Wetlands 2006

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North Carolina Causes of Impairment for Reporting Year 2006

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North Carolina Probable Sources Contributing to Impairments
for Reporting Year 2006

No probable sources reported.

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North Carolina TMDL Alternatives by Cause of Impairment 2006

No TMDL Alternatives reported.

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

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.
Year Attaining	Number of Waters Attaining	Number of Causes of Impairment Addressed
2007	66	72
2010	64	70
2013	69	75
2014	135	157
2015	2	3

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

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.
Cause of Impairment Group Name	Number of Causes of Impairment Reported
Pathogens	485
Cause Unknown - Impaired Biota	305
Mercury	47
Turbidity	39
Organic Enrichment/Oxygen Depletion	32
pH/Acidity/Caustic Conditions	19
Algal Growth	15
Noxious Aquatic Plants	8
Metals (other than Mercury)	7
Nutrients	5
Dioxins	4
Total Toxics	2
Chlorine	1

Total: 969 Causes of Impairment

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North Carolina Cumulative TMDLs by Pollutant

This chart includes TMDLs since October 1, 1995.

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.
Pollutant	Number of TMDLs	Number of Causes of Impairment Addressed
Mercury	13,215	13,215
Fecal Coliform	124	124
Total Suspended Solids (TSS)	17	17
Nitrogen, Total	16	16
Fecal	15	15
Phosphorus, Total	15	15
Chlorophyll-A	7	7
Dissolved Oxygen	7	7
Aquatic Weeds	5	5
Dioxin	5	5
Turbidity	5	5
pH	5	5
Biological Integrity	4	4
Pollutants in Urban Stormwater	3	3
Alkalinity	2	2
Nitrogen	2	2
Biochemical Oxygen Demand (BOD)	1	1
Copper	1	1

Total: 13,449 TMDLs; 13,449 Causes of Impairment Addressed

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North Carolina Cumulative Number of TMDLs

EPA Fiscal Year starts October 1 and ends September 30.

NOTE: Click on the underlined "Number of TMDLs Completed" value for a detailed list of the TMDLs for the fiscal year.
Fiscal Year	Number of TMDLs	Number of Causes of Impairment Addressed
1996	14	14
1997	5	5
1999	2	2
2000	35	35
2002	15	15
2003	7	7
2004	16	16
2005	14	14
2006	7	7
2007	24	24
2008	1	1
2009	20	20
2010	32	32
2011	28	28
2012	21	21
2013	13,192	13,192
2014	10	10
2016	6	6

Total: 13,449 TMDLs; 13,449 Causes of Impairment Addressed

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TMDL Document Search

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