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Assessment Data for the State of South Carolina Year 2004
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State of South Carolina websites: | No State 305(b) Water Quality Assessment Report is available. |
| State Water Quality Program |
Search for a Waterbody within South Carolina
Total Assessed Waters for the State of South Carolina
Description of this table| Size Of Water | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Rivers, Streams, Creeks (Miles) | Lakes, Ponds, Reservoir (Acres) | Bays, Estuaries (Square Miles) | Coastal Shorelines (Miles) | Oceans, Near Coastal Waters (Square Miles) | Wetlands (Acres) | Great Lakes Shoreline (Miles) | Great Lakes Open Water (Square Miles) | Inland Lake Shoreline (Miles) | |
| Total Assessed Waters | 4,054.97 | 41,042.99 | 17.75 | .00 | .00 | .00 | .00 | .00 | .00 |
| Estimated Total Water Size in SC | 29,794.00 | 407,505.00 | 401.00 | Unavailable | Unavailable | Unavailable | Unavailable | Unavailable | Unavailable |
| Percent of Waters Assessed | 13.61 | 10.07 | 4.43 | Unavailable | Unavailable | Unavailable | Unavailable | Unavailable | Unavailable |
Assessed Waters of South Carolina by Watershed (8 Digit USGS Cataloging Unit)
Description of this table| Watershed | Size of Water | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Rivers, Streams, Creeks (Miles) | Lakes, Ponds, Reservoir (Acres) | Bays, Estuaries (Square Miles) | Coastal Shorelines (Miles) | Oceans, Near Coastal Waters (Square Miles) | Wetlands (Acres) | Great Lakes Shoreline (Miles) | Great Lakes Open Water (Square Miles) | Inland Lake Shoreline (Miles) | |
| 8-digit HUC Name Not Reported | 112.12 | 6,600.93 | 17.65 | .00 | .00 | .00 | .00 | .00 | .00 |
| BLACK | 146.70 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| BROAD-ST. HELENA | 125.14 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CAROLINA COASTAL-SAMPIT | 8.50 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CONGAREE | 88.05 | 27.18 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| COOPER | 47.79 | 848.81 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| EDISTO | 132.55 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| ENOREE | 166.74 | 12.85 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| FOUR HOLE SWAMP | 52.88 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LAKE MARION | 33.67 | 6,116.35 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LITTLE PEE DEE | 151.69 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOWER BROAD | 113.19 | 1,968.44 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOWER CATAWBA | 193.52 | 460.60 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOWER PEE DEE | 254.42 | 401.05 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOWER SAVANNAH | 7.37 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LUMBER | 14.85 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LYNCHES | 253.49 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MIDDLE SAVANNAH | 118.95 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| NORTH FORK EDISTO | 104.47 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SALKEHATCHIE | 133.61 | 32.37 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SALUDA | 349.36 | 10,877.08 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SANTEE | 99.39 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SENECA | 117.70 | 5,489.69 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SOUTH CAROLINA COASTAL | 59.38 | .00 | .10 | .00 | .00 | .00 | .00 | .00 | .00 |
| SOUTH FORK EDISTO | 96.27 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| STEVENS | 140.88 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| TUGALOO | 74.14 | 1,996.61 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| TYGER | 184.53 | 97.11 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER BROAD | 255.26 | 1,052.42 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER CATAWBA | 21.95 | 2,387.31 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER SAVANNAH | 196.99 | 528.31 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| WACCAMAW | 73.31 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| WATEREE | 139.30 | 2,145.86 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
South Carolina Assessed Waters
Individual Use Support for Rivers and Streams
Description of this table
| State Designated Use | Total Miles Assessed | Percent Good | Percent Threatened | Percent Impaired |  % Good |
|---|---|---|---|---|---|
 % Threatened |
|||||
 % Impaired |
|||||
| AQUATIC LIFE SUPPORT | 4,054.97 | 67.31 | .00 | 32.69 | |
| DRINKING WATER SUPPLY | 4,054.97 | 99.95 | .00 | .05 | |
| PRIMARY CONTACT RECREATION | 3,548.45 | 47.65 | .00 | 52.35 | |
| SECONDARY CONTACT RECREATION | 3,548.45 | 47.65 | .00 | 52.35 | |
South Carolina Assessed Waters
Water Quality Attainment for Rivers and Streams
Description of this table
| Attainment Status | Miles | Percent of Assessed |
| Good | 1,491.93 | 36.79 |
| Threatened | .00 | .00 |
| Impaired | 2,563.04 | 63.21 |
| Total Miles Assessed | 4,054.97 | 100.00 |
South Carolina Top Causes of Impairments
for Rivers and Streams
Description of this table
| # | State Cause Name | Total Miles Impaired |
|---|---|---|
| 1 | PATHOGENS | 1,857.58 |
| 2 | ORGANIC ENRICHMENT (SEWAGE) BIOLOGICAL INDICATORS | 563.97 |
| 3 | UNSPECIFIED NUTRIENTS | 410.11 |
| 4 | PH | 264.06 |
| 5 | OTHER METALS | 249.04 |
| 6 | TURBIDITY | 81.41 |
South Carolina Top Probable Sources of Impairments
for Rivers and Streams
Description of this table
| # | State Source Name | Total Miles Impaired by Source |
|---|---|---|
| 1 | SOURCE UNKNOWN | 1,717.76 |
| 2 | URBAN RUNOFF/STORM SEWERS | 580.81 |
| 3 | MUNICIPAL POINT SOURCE DISCHARGES | 312.29 |
| 4 | AGRICULTURE | 165.83 |
| 5 | INTENSIVE ANIMAL FEEDING OPERATIONS | 120.87 |
| 6 | INDUSTRIAL POINT SOURCE DISCHARGE | 85.07 |
| 7 | NATURAL SOURCES | 75.93 |
| 8 | GRAZING RELATED SOURCES | 69.26 |
| 9 | SANITARY SEWER OVERFLOWS (COLLECTION SYSTEM FAILURES) | 62.49 |
| 10 | LAND DISPOSAL | 60.39 |
South Carolina Assessed Waters
Individual Use Support for Lakes, Ponds and Reservoirs
Description of this table
| State Designated Use | Total Acres Assessed | Percent Good | Percent Threatened | Percent Impaired | % Good |
|---|---|---|---|---|---|
| % Threatened |
|||||
| % Impaired |
|||||
| AQUATIC LIFE SUPPORT | 41,042.99 | 63.72 | .00 | 36.28 | |
| DRINKING WATER SUPPLY | 41,042.99 | 100.00 | .00 | .00 | |
| PRIMARY CONTACT RECREATION | 35,190.79 | 99.30 | .00 | .70 | |
| SECONDARY CONTACT RECREATION | 35,190.79 | 99.30 | .00 | .70 | |
South Carolina Assessed Waters
Water Quality Attainment for Lakes, Ponds and Reservoirs
Description of this table
| Attainment Status | Acres | Percent of Assessed |
| Good | 26,135.59 | 63.68 |
| Threatened | .00 | .00 |
| Impaired | 14,907.40 | 36.32 |
| Total Acres Assessed | 41,042.99 | 100.00 |
South Carolina Top Causes of Impairments
for Lakes, Ponds and Reservoirs
Description of this table
| # | State Cause Name | Total Acres Impaired |
|---|---|---|
| 1 | PH | 10,591.43 |
| 2 | UNSPECIFIED NUTRIENTS | 5,428.91 |
| 3 | OTHER METALS | 2,198.25 |
| 4 | CHLOROPHYLL-A | 776.90 |
| 5 | PATHOGENS | 247.62 |
| 6 | TURBIDITY | 234.01 |
| 7 | ORGANIC ENRICHMENT (SEWAGE) BIOLOGICAL INDICATORS | 232.53 |
South Carolina Top Probable Sources of Impairments
for Lakes, Ponds and Reservoirs
Description of this table
| # | State Source Name | Total Acres Impaired by Source |
|---|---|---|
| 1 | SOURCE UNKNOWN | 12,316.25 |
| 2 | URBAN RUNOFF/STORM SEWERS | 3,935.15 |
| 3 | MUNICIPAL POINT SOURCE DISCHARGES | 3,932.68 |
| 4 | AGRICULTURE | 3,932.68 |
| 5 | INDUSTRIAL POINT SOURCE DISCHARGE | 2,885.45 |
| 6 | INTERNAL NUTRIENT RECYCLING | 1,432.72 |
| 7 | LAND DISPOSAL | 13.84 |
| 8 | SANITARY SEWER OVERFLOWS (COLLECTION SYSTEM FAILURES) | 13.84 |
| 9 | HYDROMODIFICATION | 12.85 |
South Carolina Assessed Waters
Individual Use Support for Bays and Estuaries
Description of this table
| State Designated Use | Total Square Miles Assessed | Percent Good | Percent Threatened | Percent Impaired | % Good |
|---|---|---|---|---|---|
| % Threatened |
|||||
| % Impaired |
|||||
| AQUATIC LIFE SUPPORT | 17.75 | 61.86 | .00 | 38.14 | |
| PRIMARY CONTACT RECREATION | 17.75 | 96.49 | .00 | 3.51 | |
| SECONDARY CONTACT RECREATION | 17.75 | 96.49 | .00 | 3.51 | |
South Carolina Assessed Waters
Water Quality Attainment for Bays and Estuaries
Description of this table
| Attainment Status | Square Miles | Percent of Assessed |
| Good | 10.90 | 61.41 |
| Threatened | .00 | .00 |
| Impaired | 6.85 | 38.59 |
| Total Square Miles Assessed | 17.75 | 100.00 |
South Carolina Top Causes of Impairments
for Bays and Estuaries
Description of this table
| # | State Cause Name | Total Square Miles Impaired |
|---|---|---|
| 1 | ORGANIC ENRICHMENT (SEWAGE) BIOLOGICAL INDICATORS | 4.18 |
| 2 | OTHER METALS | 1.43 |
| 3 | TURBIDITY | 1.11 |
| 4 | PH | .86 |
| 5 | PATHOGENS | .62 |
South Carolina Top Probable Sources of Impairments
for Bays and Estuaries
Description of this table
| # | State Source Name | Total Square Miles Impaired by Source |
|---|---|---|
| 1 | SOURCE UNKNOWN | 4.42 |
| 2 | INDUSTRIAL POINT SOURCE DISCHARGE | 1.57 |
| 3 | NATURAL SOURCES | .82 |
| 4 | MUNICIPAL POINT SOURCE DISCHARGES | .09 |
| 5 | URBAN RUNOFF/STORM SEWERS | .07 |
| 6 | HABITAT MODIFICATION - OTHER THAN HYDROMODIFICATION | .06 |
| 7 | SANITARY SEWER OVERFLOWS (COLLECTION SYSTEM FAILURES) | .06 |
| 8 | INTENSIVE ANIMAL FEEDING OPERATIONS | .04 |
| 9 | LAND DISPOSAL | .01 |
South Carolina
Causes of Impairment
Description of this table| State Cause Name | Size of Assessed Waters with Listed Causes of Impairment | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Rivers, Streams, Creeks (Miles) | Lakes, Ponds, Reservoir (Acres) | Bays, Estuaries (Square Miles) | Coastal Shorelines (Miles) | Oceans, Near Coastal Waters (Square Miles) | Wetlands (Acres) | Great Lakes Shoreline (Miles) | Great Lakes Open Waters (Square Miles) | Inland Lake Shoreline (Miles) | |
| CHLOROPHYLL-A | .00 | 776.90 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| ORGANIC ENRICHMENT (SEWAGE) BIOLOGICAL INDICATORS | 563.97 | 232.53 | 4.18 | .00 | .00 | .00 | .00 | .00 | .00 |
| OTHER METALS | 249.04 | 2,198.25 | 1.43 | .00 | .00 | .00 | .00 | .00 | .00 |
| PATHOGENS | 1,857.58 | 247.62 | .62 | .00 | .00 | .00 | .00 | .00 | .00 |
| PH | 264.06 | 10,591.43 | .86 | .00 | .00 | .00 | .00 | .00 | .00 |
| TURBIDITY | 81.41 | 234.01 | 1.11 | .00 | .00 | .00 | .00 | .00 | .00 |
| UNSPECIFIED NUTRIENTS | 410.11 | 5,428.91 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
South Carolina
Probable Sources Contributing to Impairment
Description of this table| State Source Name | Size of Assessed Waters with Probable Sources of Impairment | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Rivers, Streams, Creeks (Miles) | Lakes, Ponds, Reservoir (Acres) | Bays, Estuaries (Square Miles) | Coastal Shorelines (Miles) | Oceans, Near Coastal Waters (Square Miles) | Wetlands (Acres) | Great Lakes Shoreline (Miles) | Great Lakes Open Waters (Square Miles) | Inland Lake Shoreline (Miles) | |
| AGRICULTURE | 165.83 | 3,932.68 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CONSTRUCTION | 25.83 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| DEBRIS AND BOTTOM RELATED SOURCES | 5.01 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| GRAZING RELATED SOURCES | 69.26 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| GROUNDWATER LOADINGS | 7.69 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| HABITAT MODIFICATION - OTHER THAN HYDROMODIFICATION | .00 | .00 | .06 | .00 | .00 | .00 | .00 | .00 | .00 |
| HYDROMODIFICATION | .42 | 12.85 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| INDUSTRIAL POINT SOURCE DISCHARGE | 85.07 | 2,885.45 | 1.57 | .00 | .00 | .00 | .00 | .00 | .00 |
| INTENSIVE ANIMAL FEEDING OPERATIONS | 120.87 | .00 | .04 | .00 | .00 | .00 | .00 | .00 | .00 |
| INTERNAL NUTRIENT RECYCLING | .00 | 1,432.72 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LAND DISPOSAL | 60.39 | 13.84 | .01 | .00 | .00 | .00 | .00 | .00 | .00 |
| MUNICIPAL POINT SOURCE DISCHARGES | 312.29 | 3,932.68 | .09 | .00 | .00 | .00 | .00 | .00 | .00 |
| NATURAL SOURCES | 75.93 | .00 | .82 | .00 | .00 | .00 | .00 | .00 | .00 |
| RECREATION AND TOURISM ACTIVITIES (OTHER THAN BOATING - SEE 7900) | 1.14 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| RESOURCE EXTRACTION | 3.79 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SANITARY SEWER OVERFLOWS (COLLECTION SYSTEM FAILURES) | 62.49 | 13.84 | .06 | .00 | .00 | .00 | .00 | .00 | .00 |
| SOURCE UNKNOWN | 1,717.76 | 12,316.25 | 4.42 | .00 | .00 | .00 | .00 | .00 | .00 |
| URBAN RUNOFF/STORM SEWERS | 580.81 | 3,935.15 | .07 | .00 | .00 | .00 | .00 | .00 | .00 |
