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Site-specific Targeted Monitoring Summary Results

North Carolina (2006)

Description of this table

	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	391.6	5,005.1			6,900.3
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	340.4	68.1			24,492.9
TMDL alternative	84.1	280.0
Non-pollutant impairment	96.9
TMDL needed	3,056.2	58,041.0	.0	321.9	85,507.5
New TMDLs completed	105.3	7,535.5	.0	.0	3,005.4
Remaining TMDLs needed	2,950.9	50,505.5	.0	321.9	82,502.2
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 Assessed Status Miles Assessed 7,079.6 Unassessed 30,582.4 Total Miles 37,662.0

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

Description of this table TMDL Development Status Miles All TMDLs completed 445.8 TMDL alternative 84.1 Non-pollutant impairment 96.9 TMDL needed 2,950.9 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.

Description of this table

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

Description of this table

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
Zinc	Metals (other than Mercury)	.9
Iron	Metals (other than Mercury)	.9

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Site-specific Targeted Monitoring Results

Probable Sources
North Carolina Rivers and Streams 2006

No probable sources of impairments reported.

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Site-specific Targeted Monitoring Results

North Carolina Lakes, Reservoirs, and Ponds 2006

Description of this table Assessed Status Acres Assessed 107,080.1 Unassessed 204,155.9 Total Acres 311,236.0

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

Description of this table TMDL Development Status Acres All TMDLs completed 7,603.6 TMDL alternative 280.0 Non-pollutant impairment .0 TMDL needed 50,505.5 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.

Description of this table

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

Description of this table

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

No probable sources of impairments reported.

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Site-specific Targeted Monitoring Results

North Carolina Bays and Estuaries 2006

Description of this table Assessed Status Square Miles Assessed .0 Unassessed 3,121.0 Total Square Miles 3,121.0

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

Description of this table 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

No designated uses reported.

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Site-specific Targeted Monitoring Results

Causes of Impairment
North Carolina Bays and Estuaries 2006

No causes of impairment reported.

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Site-specific Targeted Monitoring Results

Probable Sources
North Carolina Bays and Estuaries 2006

No probable sources of impairments reported.

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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 Attainment Status Miles Good .0 Threatened .0 Impaired 321.9 Total Miles Assessed 321.9

Description of this table 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.

Description of this table

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

Description of this table

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

No probable sources of impairments reported.

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Site-specific Targeted Monitoring Results

North Carolina Wetlands 2006

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

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

Description of this table TMDL Development Status Acres All TMDLs completed 27,498.3 TMDL alternative .0 Non-pollutant impairment .0 TMDL needed 82,502.2 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.

Description of this table

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

Description of this table

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

No probable sources of impairments reported.

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North Carolina Causes of Impairment for Reporting Year 2006

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.
Cause of Impairment Group	Size of Assessed Waters with Listed Causes of Impairment
	Rivers and Streams (Miles)	Lakes, Reservoirs, and Ponds (Acres)	Bays and Estuaries (Square Miles)	Coastal Shoreline (Miles)	Wetlands (Acres)
Algal Growth	24.7	16,402.7			2,654.0
Cause Unknown - Impaired Biota	1,668.5	905.7
Chlorine	4.4
Dioxins	6.4	1,475.5
Mercury	520.0	29,113.2		321.9
Metals (other than Mercury)	27.4
Nuisance Native Species	6.9	5,140.6
Nutrients	34.1	75.3
Organic Enrichment/Oxygen Depletion	305.8				7,174.6
Pathogens	151.1		.0		54,394.8
Pesticides	6.6
pH/Acidity/Caustic Conditions	175.2	3,494.0			6,360.4
Total Toxics	17.9
Turbidity	282.5	10,449.7

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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

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.
Year Attaining	Number of Waters Attaining	Number of Causes of Impairment Addressed
2007	54	58
2010	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.
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.

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.
Pollutant	Number of TMDLs	Number of Causes of Impairment Addressed
Fecal Coliform	110	111
Mercury	36	36
Fecal	15	15
Phosphorus, Total	11	11
Nitrogen, Total	10	10
Total Suspended Solids (TSS)	10	16
Aquatic Weeds	5	5
Dioxin	5	5
Turbidity	5	5
Biological Integrity	4	4
Pollutants in Urban Stormwater	3	3
Alkalinity	2	2
Nitrogen	2	2
Copper	1	1
Dissolved Oxygen	1	1

Total: 220 TMDLs; 228 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.
Fiscal Year	Number of TMDLs	Number of Causes of Impairment Addressed
1996	1	1
1997	5	5
1999	2	2
2000	35	35
2002	15	16
2003	7	7
2004	16	16
2005	12	12
2006	7	7
2007	24	24
2008	1	1
2009	20	20
2010	32	32
2011	21	28
2012	21	21
2013	1	1

Total: 220 TMDLs; 228 Causes of Impairment Addressed

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