Site-specific Targeted Monitoring Summary Results

North Carolina (2014)

	Size of Water
	Rivers and Streams (Miles)	Lakes, Reservoirs, and Ponds (Acres)	Bays and Estuaries (Square Miles)	Coastal Shoreline (Miles)
Good Waters	1.9
Previously impaired waters       now attaining all uses	3,203.0	50,762.5	61.6
Threatened Waters
TMDL completed
TMDL alternative
Non-pollutant impairment
TMDL needed
Impaired Waters	38,230.0	249,988.6	3,324.0	321.2
TMDL completed	35,643.2	168,123.4	2,411.7	321.2
TMDL alternative
Non-pollutant impairment
TMDL needed	2,586.8	81,865.2	912.3
New TMDLs completed	94.7	2,251.9	.5	.0
Remaining TMDLs needed	2,492.1	79,613.3	911.8
Total Assessed Waters	38,231.9	249,988.6	3,324.0	321.2
Total Waters	38,231.9	311,236.0	3,324.0	Unavailable
Percent of Waters Assessed	100.0	80.3	100.0	Unavailable

Top of page

Summary of Water Quality Assessments for Each Waterbody Type
for Reporting Year 2014

Site-specific Targeted Monitoring Results

North Carolina Rivers and Streams 2014

Description of this table All Rivers and Streams 38,231.9 Miles of Rivers and Streams Assessed Status Miles Assessed 38,231.9 Unassessed .0 Total Miles 38,231.9

Description of this table Assessed Rivers and Streams 38,231.9 Miles of Assessed Rivers and Streams Attainment Status Miles Good 1.9 Threatened .0 Impaired 38,230.0 Total Miles Assessed 38,231.9

Description of this table Threatened and Impaired Rivers and Streams 38,230.0 Miles of Threatened and Impaired Rivers and Streams TMDL Development Status Miles All TMDLs completed 35,737.9 TMDL alternative .0 Non-pollutant impairment .0 TMDL needed 2,492.1 Total Threatened and Impaired 38,230.0

Top of page

Site-specific Targeted Monitoring Results

Individual Designated Use Support
North Carolina Rivers and Streams 2014

* 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
Aquatic Life	13,233.0	81.3	.0	18.7
Fish Consumption	38,226.8	.0	.0	100.0
Recreation	3,832.1	89.0	.0	11.0
Water Supply	1,290.2	99.2	.0	.8

Top of page

Site-specific Targeted Monitoring Results

Causes of Impairment
North Carolina Rivers and Streams 2014

Cause of Impairment	Cause of Impairment Group	Miles Threatened or Impaired
Mercury in Fish Tissue	Mercury	38,226.8
Ecological/Biological Integrity Benthos	Cause Unknown - Impaired Biota	1,522.7
Ecological/Biological Integrity Fishcom	Cause Unknown - Impaired Biota	547.8
Fecal Coliform	Pathogens	421.5
Copper	Metals (other than Mercury)	332.9
Dissolved Oxygen	Organic Enrichment/Oxygen Depletion	219.0
Turbidity	Turbidity	146.2
Zinc	Metals (other than Mercury)	121.9
Low pH	pH/Acidity/Caustic Conditions	107.2
PCB(s) in Fish Tissue	Polychlorinated Biphenyls (PCBs)	67.1
Dioxin in Fish Tissue	Dioxins	38.1
Cadmium	Metals (other than Mercury)	24.4
Chlorophyll-A	Algal Growth	19.4
Lead	Metals (other than Mercury)	11.8
Nitrate/Nitrite (Nitrite + Nitrate as N)	Nutrients	8.1
Arsenic	Metals (other than Mercury)	6.7
Mercury in Water Column	Mercury	5.3
Chloride	Salinity/Total Dissolved Solids/Chlorides/Sulfates	4.4
Toxic Impacts	Total Toxics	.8
High pH	pH/Acidity/Caustic Conditions	.5

Top of page

Site-specific Targeted Monitoring Results

Probable Sources
North Carolina Rivers and Streams 2014

Top of page

Site-specific Targeted Monitoring Results

North Carolina Lakes, Reservoirs, and Ponds 2014

Description of this table All Lakes, Reservoirs, and Ponds 311,236.0 Acres of Lakes, Reservoirs, and Ponds Assessed Status Acres Assessed 249,988.6 Unassessed 61,247.4 Total Acres 311,236.0

Description of this table Assessed Lakes, Reservoirs, and Ponds 249,988.6 Acres of Assessed Lakes, Reservoirs, and Ponds Attainment Status Acres Good .0 Threatened .0 Impaired 249,988.6 Total Acres Assessed 249,988.6

Description of this table Threatened and Impaired Lakes, Reservoirs, and Ponds 249,988.6 Acres of Threatened and Impaired Lakes, Reservoirs, and Ponds TMDL Development Status Acres All TMDLs completed 170,375.3 TMDL alternative .0 Non-pollutant impairment .0 TMDL needed 79,613.3 Total Threatened and Impaired 249,988.6

Top of page

Site-specific Targeted Monitoring Results

Individual Designated Use Support
North Carolina Lakes, Reservoirs, and Ponds 2014

* 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
Aquatic Life	226,550.2	82.6	.0	17.4
Fish Consumption	249,988.6	.0	.0	100.0
Recreation	21,765.9	99.2	.0	.8
Water Supply	59,100.7	100.0	.0	.0

Top of page

Site-specific Targeted Monitoring Results

Causes of Impairment
North Carolina Lakes, Reservoirs, and Ponds 2014

Cause of Impairment	Cause of Impairment Group	Acres Threatened or Impaired
Mercury in Fish Tissue	Mercury	249,988.6
PCB(s) in Fish Tissue	Polychlorinated Biphenyls (PCBs)	63,091.5
Chlorophyll-A	Algal Growth	27,600.6
High pH	pH/Acidity/Caustic Conditions	11,590.4
Turbidity	Turbidity	10,423.5
Temperature	Temperature	2,073.5
Copper	Metals (other than Mercury)	1,778.9
Fecal Coliform	Pathogens	170.6

Top of page

Site-specific Targeted Monitoring Results

Probable Sources
North Carolina Lakes, Reservoirs, and Ponds 2014

Top of page

Site-specific Targeted Monitoring Results

North Carolina Bays and Estuaries 2014

Description of this table All Bays and Estuaries 3,324.0 Square Miles of Bays and Estuaries Assessed Status Square Miles Assessed 3,324.0 Unassessed .0 Total Square Miles 3,324.0

Description of this table Assessed Bays and Estuaries 3,324.0 Square Miles of Assessed Bays and Estuaries Attainment Status Square Miles Good .0 Threatened .0 Impaired 3,324.0 Total Square Miles Assessed 3,324.0

Description of this table Threatened and Impaired Bays and Estuaries 3,324.0 Square Miles of Threatened and Impaired Bays and Estuaries TMDL Development Status Square Miles All TMDLs completed 2,412.2 TMDL alternative .0 Non-pollutant impairment .0 TMDL needed 911.8 Total Threatened and Impaired 3,324.0

Top of page

Site-specific Targeted Monitoring Results

Individual Designated Use Support
North Carolina Bays and Estuaries 2014

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

Designated Use	Square Miles Assessed	Percent Good	Percent Threatened	Percent Impaired	% Good
					% Threatened
					% Impaired
Aquatic Life	799.7	10.4	.0	89.6
Fish Consumption	3,324.0	.0	.0	100.0
Recreation	1,414.6	92.0	.0	8.0
Shellfish Harvesting	2,222.9	95.0	.0	5.0

Top of page

Site-specific Targeted Monitoring Results

Causes of Impairment
North Carolina Bays and Estuaries 2014

Cause of Impairment	Cause of Impairment Group	Square Miles Threatened or Impaired
Mercury in Fish Tissue	Mercury	3,324.0
Copper	Metals (other than Mercury)	697.2
Enterococcus Bacteria	Pathogens	111.8
Recreational Restrictions - Pathogens	Pathogens	109.6
Shellfish Growing Area-Prohibited	Pathogens	56.9
Chlorophyll-A	Algal Growth	46.6
Shellfish Growing Area-Conditionally Approved Open	Pathogens	44.7
High pH	pH/Acidity/Caustic Conditions	17.9
Nickel	Metals (other than Mercury)	14.7
Arsenic	Metals (other than Mercury)	14.6
Turbidity	Turbidity	9.8
Shellfish Growing Area-Conditionally Approved Closed	Pathogens	9.1
Dissolved Oxygen	Organic Enrichment/Oxygen Depletion	7.8
Fecal Coliform	Pathogens	7.7
Recreation Advisory Postings	Other Cause	1.3
Ecological/Biological Integrity Benthos	Cause Unknown - Impaired Biota	.0

Top of page

Site-specific Targeted Monitoring Results

Probable Sources
North Carolina Bays and Estuaries 2014

Top of page

Site-specific Targeted Monitoring Results

North Carolina Coastal Shoreline 2014

Description of this table Pie chart not displayed because total size for Coastal Shoreline is unavailable. Assessed Status Miles Assessed 321.2 Unassessed Unavailable Total Miles Unavailable

Description of this table Assessed Coastal Shoreline 321.2 Miles of Assessed Coastal Shoreline Attainment Status Miles Good .0 Threatened .0 Impaired 321.2 Total Miles Assessed 321.2

Description of this table Threatened and Impaired Coastal Shoreline 321.2 Miles of Threatened and Impaired Coastal Shoreline TMDL Development Status Miles All TMDLs completed 321.2 TMDL alternative .0 Non-pollutant impairment .0 TMDL needed .0 Total Threatened and Impaired 321.2

Top of page

Site-specific Targeted Monitoring Results

Individual Designated Use Support
North Carolina Coastal Shoreline 2014

* 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
Aquatic Life	22.4	100.0	.0	.0
Fish Consumption	321.2	.0	.0	100.0
Recreation	302.6	100.0	.0	.0

Top of page

Site-specific Targeted Monitoring Results

Causes of Impairment
North Carolina Coastal Shoreline 2014

Cause of Impairment	Cause of Impairment Group	Miles Threatened or Impaired
Mercury in Fish Tissue	Mercury	321.2

Top of page

Site-specific Targeted Monitoring Results

Probable Sources
North Carolina Coastal Shoreline 2014

Top of page

North Carolina Causes of Impairment for Reporting Year 2014

Top of page

North Carolina Probable Sources Contributing to Impairments
for Reporting Year 2014

No probable sources reported.

Top of page

North Carolina TMDL Alternatives by Cause of Impairment 2014

NOTE: Click on the underlined "Number of TMDL Alternatives by Cause of Impairment " value to see a listing of those Causes of Impairment.
Cause of Impairment	Number of TMDL Alternatives	Rivers and Streams (Miles)	Lakes, Reservoirs, and Ponds (Acres)	Bays and Estuaries (Square Miles)
Chlorophyll-A	9		6,897	3
Ecological/Biological Integrity Benthos	6	32
Ecological/Biological Integrity Fishcom	2	6
Toxic Impacts	1	1

Total: 18 TMDL Alternatives

Top of page

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	113	138
2014	138	166
2015	2	3

Top of page

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	658
Cause Unknown - Impaired Biota	366
Metals (other than Mercury)	114
Organic Enrichment/Oxygen Depletion	48
Polychlorinated Biphenyls (PCBs)	36
Turbidity	32
Algal Growth	32
pH/Acidity/Caustic Conditions	31
Other Cause	10
Salinity/Total Dissolved Solids/Chlorides/Sulfates	2
Mercury	2
Temperature	2
Dioxins	1
Nutrients	1

Total: 1,335 Causes of Impairment

Top of page

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
Nitrogen, Total	25	25
Phosphorus, Total	24	24
Total Suspended Solids (TSS)	19	19
Chlorophyll-A	16	16
Fecal	15	15
Cyanide	12	16
Dissolved Oxygen	10	10
Lead	6	6
Total Residual Chlorine	6	6
Aquatic Weeds	5	5
Chromium, Total	5	5
Dioxin	5	5
Nickel	5	5
Turbidity	5	5
pH	5	5
Biological Integrity	4	4
Fluorene	4	5
Pollutants in Urban Stormwater	3	3
Selenium	3	4
Alkalinity	2	2
Nitrogen	2	2
Biochemical Oxygen Demand (BOD)	1	1
Cadmium	1	1
Copper	1	1

Total: 13,523 TMDLs; 13,529 Causes of Impairment Addressed

Top of page

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	44	44
1997	47	53
1999	2	2
2000	35	35
2002	15	15
2003	7	7
2004	16	16
2005	16	16
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: 13,523 TMDLs; 13,529 Causes of Impairment Addressed

Top of page

TMDL Document Search

Top of page