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Site-specific Targeted Monitoring Summary Results

South Carolina (2008)

	Size of Water
	Rivers and Streams (Miles)	Lakes, Reservoirs, and Ponds (Acres)	Bays and Estuaries (Square Miles)	Coastal Shoreline (Miles)	Ocean and Near Coastal (Square Miles)
Good Waters	2,008.8	91,964.1	316.4		2.1
Previously impaired waters       now attaining all uses	193.3	4,879.5	74.2
Threatened Waters
TMDL completed
TMDL alternative
Non-pollutant impairment
TMDL needed
Impaired Waters	3,593.8	28,394.5	229.7	4.0	.0
TMDL completed	706.7	6.9	15.3
TMDL alternative
Non-pollutant impairment
TMDL needed	2,887.1	28,387.5	214.4	4.0	.0
New TMDLs completed	448.4	34.0	12.8	.0	.0
Remaining TMDLs needed	2,438.7	28,353.6	201.6	4.0	.0
Total Assessed Waters	5,602.5	120,358.5	546.1	4.0	2.1
Total Waters	29,794.0	407,505.0	401.0	Unavailable	Unavailable
Percent of Waters Assessed	18.8	29.5	136.2	Unavailable	Unavailable

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Summary of Water Quality Assessments for Each Waterbody Type
for Reporting Year 2008

Site-specific Targeted Monitoring Results

South Carolina Rivers and Streams 2008

Description of this table Assessed Status Miles Assessed 5,602.5 Unassessed 24,191.5 Total Miles 29,794.0

Description of this table Attainment Status Miles Good 2,008.8 Threatened .0 Impaired 3,593.8 Total Miles Assessed 5,602.5

Description of this table TMDL Development Status Miles All TMDLs completed 1,155.1 TMDL alternative .0 Non-pollutant impairment .0 TMDL needed 2,438.7 Total Threatened and Impaired 3,593.8

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
South Carolina Rivers and Streams 2008

* 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 Support	5,373.6	60.1	.0	39.9
Fish Consumption	156.0	15.4	.0	84.6
Primary Contact Recreation	4,001.9	43.5	.0	56.5

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Site-specific Targeted Monitoring Results

Causes of Impairment
South Carolina Rivers and Streams 2008

Cause of Impairment	Cause of Impairment Group	Miles Threatened or Impaired
Fecal Coliform	Pathogens	2,259.2
Benthic Macroinvertebrates Bioassessments	Cause Unknown - Impaired Biota	924.0
Dissolved Oxygen	Organic Enrichment/Oxygen Depletion	574.8
Copper	Metals (other than Mercury)	444.3
Mercury	Mercury	257.3
pH	pH/Acidity/Caustic Conditions	160.8
Zinc	Metals (other than Mercury)	116.1
Nickel	Metals (other than Mercury)	101.1
Turbidity	Turbidity	68.1
Chromium, Total	Metals (other than Mercury)	29.0
Ammonia, Total	Ammonia	9.7
Lead	Metals (other than Mercury)	5.3
PCB-1254	Polychlorinated Biphenyls (PCBs)	1.0

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Site-specific Targeted Monitoring Results

Probable Sources
South Carolina Rivers and Streams 2008

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Site-specific Targeted Monitoring Results

South Carolina Lakes, Reservoirs, and Ponds 2008

Description of this table Assessed Status Acres Assessed 120,358.5 Unassessed 287,146.5 Total Acres 407,505.0

Description of this table Attainment Status Acres Good 91,964.1 Threatened .0 Impaired 28,394.5 Total Acres Assessed 120,358.5

Description of this table TMDL Development Status Acres All TMDLs completed 40.9 TMDL alternative .0 Non-pollutant impairment .0 TMDL needed 28,353.6 Total Threatened and Impaired 28,394.5

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
South Carolina Lakes, Reservoirs, and Ponds 2008

* 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 Support	120,046.2	76.4	.0	23.6
Fish Consumption	60.0	50.0	.0	50.0
Primary Contact Recreation	119,371.2	99.9	.0	.1

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Site-specific Targeted Monitoring Results

Causes of Impairment
South Carolina Lakes, Reservoirs, and Ponds 2008

Cause of Impairment	Cause of Impairment Group	Acres Threatened or Impaired
Phosphorus, Total	Nutrients	16,132.1
pH	pH/Acidity/Caustic Conditions	11,294.9
Copper	Metals (other than Mercury)	5,608.7
Chlorophyll-A	Algal Growth	2,000.9
Dissolved Oxygen	Organic Enrichment/Oxygen Depletion	1,285.7
Ammonia, Total	Ammonia	424.2
Turbidity	Turbidity	323.9
Nitrogen, Total	Nutrients	231.0
Fecal Coliform	Pathogens	175.9
Zinc	Metals (other than Mercury)	82.9
Mercury	Mercury	40.1
PCB-1254	Polychlorinated Biphenyls (PCBs)	4.0

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Site-specific Targeted Monitoring Results

Probable Sources
South Carolina Lakes, Reservoirs, and Ponds 2008

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Site-specific Targeted Monitoring Results

South Carolina Bays and Estuaries 2008

Description of this table Assessed Status Square Miles Assessed 546.1 Unassessed -145.1 Total Square Miles 401.0

Description of this table Attainment Status Square Miles Good 316.4 Threatened .0 Impaired 229.7 Total Square Miles Assessed 546.1

Description of this table TMDL Development Status Square Miles All TMDLs completed 28.1 TMDL alternative .0 Non-pollutant impairment .0 TMDL needed 201.6 Total Threatened and Impaired 229.7

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
South Carolina Bays and Estuaries 2008

* 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 Support	78.7	82.0	.0	18.0
Primary Contact Recreation	79.9	70.0	.0	30.0
Shellfish Harvesting	464.0	58.4	.0	41.6

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Site-specific Targeted Monitoring Results

Causes of Impairment
South Carolina Bays and Estuaries 2008

Cause of Impairment	Cause of Impairment Group	Square Miles Threatened or Impaired
Fecal Coliform	Pathogens	216.9
Dissolved Oxygen	Organic Enrichment/Oxygen Depletion	6.1
Copper	Metals (other than Mercury)	4.3
Turbidity	Turbidity	4.0
Ammonia, Total	Ammonia	1.9
pH	pH/Acidity/Caustic Conditions	.5
Nickel	Metals (other than Mercury)	.3
Zinc	Metals (other than Mercury)	.2
Mercury	Mercury	.1

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Site-specific Targeted Monitoring Results

Probable Sources
South Carolina Bays and Estuaries 2008

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Site-specific Targeted Monitoring Results

South Carolina Coastal Shoreline 2008

Description of this table Pie chart not displayed because total size for Coastal Shoreline is unavailable. Assessed Status Miles Assessed 4.0 Unassessed Unavailable Total Miles Unavailable

Description of this table Attainment Status Miles Good .0 Threatened .0 Impaired 4.0 Total Miles Assessed 4.0

Description of this table TMDL Development Status Miles All TMDLs completed .0 TMDL alternative .0 Non-pollutant impairment .0 TMDL needed 4.0 Total Threatened and Impaired 4.0

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
South Carolina Coastal Shoreline 2008

* 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
Fish Consumption	4.0	.0	.0	100.0

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Site-specific Targeted Monitoring Results

Causes of Impairment
South Carolina Coastal Shoreline 2008

Cause of Impairment	Cause of Impairment Group	Miles Threatened or Impaired
Mercury	Mercury	4.0

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Site-specific Targeted Monitoring Results

Probable Sources
South Carolina Coastal Shoreline 2008

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Site-specific Targeted Monitoring Results

South Carolina Ocean and Near Coastal 2008

Description of this table Pie chart not displayed because total size for Ocean and Near Coastal is unavailable. Assessed Status Square Miles Assessed 2.1 Unassessed Unavailable Total Square Miles Unavailable

Description of this table Attainment Status Square Miles Good 2.1 Threatened .0 Impaired .0 Total Square Miles Assessed 2.1

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
South Carolina Ocean and Near Coastal 2008

* 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
Primary Contact Recreation	2.1	99.4	.0	.6

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Site-specific Targeted Monitoring Results

Causes of Impairment
South Carolina Ocean and Near Coastal 2008

Cause of Impairment	Cause of Impairment Group	Square Miles Threatened or Impaired
Enterococcus Bacteria	Pathogens	.0

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Site-specific Targeted Monitoring Results

Probable Sources
South Carolina Ocean and Near Coastal 2008

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South Carolina Causes of Impairment for Reporting Year 2008

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South Carolina Probable Sources Contributing to Impairments
for Reporting Year 2008

No probable sources reported.

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South Carolina TMDL Alternatives by Cause of Impairment 2008

No TMDL Alternatives reported.

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South 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
2002	8	9
2004	38	39
2007	46	52
2010	98	108

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South 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	542
Mercury	185
Cause Unknown - Impaired Biota	164
Organic Enrichment/Oxygen Depletion	137
Metals (other than Mercury)	131
pH/Acidity/Caustic Conditions	68
Nutrients	58
Turbidity	58
Algal Growth	15
Ammonia	8
Polychlorinated Biphenyls (PCBs)	5

Total: 1,371 Causes of Impairment

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South 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
Fecal Coliform	447	453
Biochemical Oxygen Demand (BOD)	23	23
Dissolved Oxygen	4	4
Ammonia	2	2
NH3-N	2	2
Oxygen Demand	2	2
pH	2	2
Chemical Oxygen Demand (COD)	1	1
Phosphorus	1	1
Total Suspended Solids (TSS)	1	1

Total: 485 TMDLs; 491 Causes of Impairment Addressed

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South 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
1998	4	4
1999	20	20
2000	1	1
2001	15	15
2002	14	14
2003	16	16
2004	172	172
2005	135	135
2006	25	30
2007	6	6
2008	4	4
2010	29	29
2011	22	22
2012	16	17
2013	6	6

Total: 485 TMDLs; 491 Causes of Impairment Addressed

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TMDL Document Search

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