Cleanest/Best Watersheds

National Average

Dirtiest/Worst Watersheds

0%					50%					100%

Percentage of Surface Waters with Impaired or Threatened Uses (state + EPA data):

Number of Impaired Waterbodies (as reported by the state):

NOTE: Data limitations affect the accuracy of these rankings.

Rank watersheds by assessed use impairments
Rank counties by assessed use impairments.
Rank states by assessed use impairments, impairments due to specific causes, or impairments due to specific sources

Black contains a portion of 5 counties:

CLARENDON County, SC

GEORGETOWN County, SC

LEE County, SC

SUMTER County, SC

WILLIAMSBURG County, SC

Percentage of Surface Waters with Reported Problems (state + EPA data): 100%

Number of Waterbodies with Reported Problems (as reported by the state): 9

Beaver Dam Ck At S-31-313

Black River Drainage, Freshwater Portions Only

Black Rvr At Us 76 1.5 Mi Ne Of Mayesville

Briar Branch At S-43-459

Nasty Br At S-43-251 7.5 Mi Sw Of Sumter

Ox Swamp At Us 521

Scape Ore Swamp At S-31-108

Turkey Ck At Liberty St In Sumter

Turkey Creek At Us 521

Beneficial Use Most Frequently Impaired	Percent of All Impairments
Primary Contact Recreation (Swimming)	44%
Aquatic Life Support	44%
Fish Consumption	11%

Priority for Regulation	Number of Waterbodies
Targeted	0
High	1
Medium	8
Low	0
Not Assessed for TMDL Priority	0
Not Reported to US EPA for TMDL Priority	0

Rivers, Streams, and Creeks
Number of impaired waterbodies: 8
Percent of Rivers, Streams and Creeks in SOUTH CAROLINA assessed by agencies for 1997-98 reporting period: 65%

	Percent Waterbodies Affected
Impaired Biological Community	38%
Pathogens	38%
Low Dissolved Oxygen/Organic Enrichment	12%
Mercury	12%
pH	12%

NOTE: Possible inconsistencies between data on (a) impaired waterbodies and (b) percentage of waterbodies assessed.

Rivers, Streams, and Creeks
Number of impaired waterbodies: 8(cause not reported for 100%)
Percent of Rivers, Streams and Creeks in SOUTH CAROLINA assessed by agencies for 1997-98 reporting period: 65%

	Percent Waterbodies Affected
Impairment source not reported	100%

NOTE: Possible inconsistencies between data on (a) impaired waterbodies and (b) percentage of waterbodies assessed.

U.S. EPA Watershed Health Index

U.S. EPA Condition and Vulnerability Indicators

U.S. EPA Watershed Profile

U.S. Geological Survey: Water Resources Links