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

Santee contains a portion of 5 counties:

BERKELEY County, SC

CHARLESTON County, SC

CLARENDON County, SC

GEORGETOWN 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): 15

Aiww - South Santee To Jeremy Island, Incl. Portions Of Alligator, Casino, Skrine, Du Pree, & Ramhorn Crks.

Cedar Island Point Marsh

Cedar Island Point Marsh

Cedar Island Point Marsh

Marsh Area Adjacent To Aiww & South Santee River & Encompassed By Alligator Creek

Marsh Area Adjacent To Aiww & South Santee River & Encompassed By Alligator Creek

Marsh Areas Along Murphy Island Bordering The South Santee River

Mechaw Ck At Sc Rt 45

North & South Santee Rivers, North Santee Bay, Hwy. 17 Seaward - Georgetown County Portions Only

North & South Santee Rivers, North Santee Bay, Hwy. 17 Seaward - Georgetown County Portions Only

North & South Santee Rivers, North Santee Bay, Hwy. 17 Seaward - Georgetown County Portions Only

North & South Santee Rivers, North Santee Bay, Hwy. 17 Seaward - Georgetown County Portions Only

North & South Santee Rivers, North Santee Bay, Hwy. 17 Seaward - Georgetown County Portions Only

Santee River Drainage, Freshwater Portions Only

South Santee River - Charleston County Portions Only

Beneficial Use Most Frequently Impaired	Percent of All Impairments
Shellfish Consumption	87%
Fish Consumption	7%
Primary Contact Recreation (Swimming)	7%

Priority for Regulation	Number of Waterbodies
Targeted	0
High	0
Medium	15
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: 6
Percent of Rivers, Streams and Creeks in SOUTH CAROLINA assessed by agencies for 1997-98 reporting period: 65%

	Percent Waterbodies Affected
Pathogens	83%
Mercury	17%

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

Rivers, Streams, and Creeks
Number of impaired waterbodies: 6(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

USGS report on the National Water-Quality Assessment (NAWQA) study unit this watershed is in.