Jump to main content.


Return to home page

On This Page

South Carolina State Report

For More Information:

Download Excel compatible information

Download GIS Information (Internet Explorer only)

Water Quality Data Available for this Watershed

South Carolina, South Carolina Coastal Watershed


Click on the watershed for an interactive map

Search for a waterbody within South Carolina Coastal
Enter Waterbody Name:


Assessment Summary for Reporting Year 2008
South Carolina, South Carolina Coastal Watershed

Description of this table
Click here to list Threatened and Impaired Waters Only
NOTE: Click on the underlined "Waterbody Name" to view a Waterbody report.
Ashley Rvr SCCSTL-560_FISH_S_06 Ashley River @ Dorchester State Park Waterbody Map Stream 1.0 Miles Impaired TMDL needed
Awendaw Ck SCMD-250_E_06 Awendaw Creek At Us 17 Waterbody Map Estuary 22.4 Square Miles Impaired TMDL needed
Charleston Estuary SC06B-06_SFH_06 Alligator Creek And Ocean Inlet Waterbody Map Estuary 1.0 Square Miles Impaired TMDL needed
Charleston Estuary SC06B-07_SFH_06 Alligator Creek At Marker #26 Waterbody Map Estuary 1.0 Square Miles Impaired TMDL needed
Charleston Estuary SC06B-12_SFH_06 Alligator Creek State Shellfish Ground Waterbody Map Estuary 1.0 Square Miles Impaired TMDL needed
Charleston Estuary SC06B-14_SFH_06 Horsehead Creek At Confluence W/Cape Romain Harbor Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC06B-15_SFH_06 Casino Creek At Cape Romain Harbor Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC06B-16_SFH_06 Casino Creek Midway Between Stations 19 And 24 (At Small Unnamed Creek On Right, Southbound) Waterbody Map Estuary 1.0 Square Miles Impaired TMDL needed
Charleston Estuary SC06B-17_SFH_06 Congaree Creek At Tower Creek Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC06B-19_SFH_06 Casino Creek And Skrine Creek,Confluence Waterbody Map Estuary 1.0 Square Miles Impaired TMDL needed
Charleston Estuary SC06B-21_SFH_06 Alligator Creek And Ramhorn Creek Confluence Waterbody Map Estuary 1.0 Square Miles Impaired TMDL needed
Charleston Estuary SC06B-22_SFH_06 Ramhorn Creek And Mill Creek Confluence Waterbody Map Estuary 1.0 Square Miles Impaired TMDL needed
Charleston Estuary SC06B-23_SFH_06 Skrine Creek And Congaree Boat Creek Confluence Waterbody Map Estuary 1.0 Square Miles Impaired TMDL needed
Charleston Estuary SC06B-24_SFH_06 Casino Creek And Congaree Boat Creek Confluence Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC06B-25_SFH_06 Horsehead Creek And Unnamed Creek At Lower End Of Horsehead Island Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC06B-26_SFH_06 Skrine Creek And Unnamed Creek North Of Muddy Bay Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC06B-27_SFH_06 Congaree Boat Creek At Confluence Of The First Large Creek On The Left, Traveling Se Of Station #23 Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC07-02A_SFH_06 Graham Creek And Bulls Bay Waterbody Map Estuary 1.0 Square Miles Impaired TMDL needed
Charleston Estuary SC07-02_SFH_06 Graham Creek At Marker #64 Waterbody Map Estuary 1.0 Square Miles Impaired TMDL needed
Charleston Estuary SC07-03_SFH_06 Awendaw Creek At Marker #57 Waterbody Map Estuary 1.0 Square Miles Impaired TMDL needed
Charleston Estuary SC07-04A_SFH_06 Harbor River At Bulls Bay Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC07-06A_SFH_06 Five Fathom Creek At Bull River Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC07-08A_SFH_06 Oyster Bay At Muddy Bay Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC07-08_SFH_06 Clubhouse Creek-1/4 Mile North Of Five Fathom Creek Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC07-11_SFH_06 Five Fathom Creek At Marker #11 Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC07-12_SFH_06 Raccoon Creek And Romain River Confluence Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC07-13_SFH_06 Romain River At Confluence Of "S" Creek Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC07-14_SFH_06 Doehall Creek-Third Bend Waterbody Map Estuary 1.0 Square Miles Impaired TMDL needed
Charleston Estuary SC07-15_SFH_06 Sandy Point Creek - 4th Bend Waterbody Map Estuary 1.0 Square Miles Impaired TMDL needed
Charleston Estuary SC07-16_SFH_06 Romain Rvr & Santee Path Crk Confluence Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC07-17_SFH_06 Five Fathom Creek Marker #26 Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC07-18_SFH_06 Aiww Marker #65 Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC07-19_SFH_06 Aiww At Confluence With Unnamed Creek, 1.5 Miles Southwest Of Graham Creek (C4-99) Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC07-20_SFH_06 Bulls Bay - 1,000ft From Confluence With Graham Creek (C5-01) Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC08-01_SFH_06 Morgan Creek At Northernmost Confluence With Aiww - Adjacent To Marker #115 Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC08-05_SFH_06 Whiteside Creek - Marker #96 Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC08-07_SFH_06 Price'S Inlet Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC08-09_SFH_06 Moore'S Landing Dock - At Marker #74 Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC08-14_SFH_06 Dewees Island - 1/4 Mile Up Horsebend Creek Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC08-15_SFH_06 Dewees Island - Mouth Of Watermelon Creek Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC08-16_SFH_06 Gray Bay At Confluence Of Seven Reaches Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC08-17_SFH_06 Copahee Sound At Porcher Bluff Creek Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC08-18_SFH_06 Cedar Creek One-Half Mile Up From Dewees Inlet Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC08-19_SFH_06 Confluence Of Toomer Creek At Copahee Sound Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC08-20_SFH_06 Whiteside Creek Upper Reaches Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC08-21_SFH_06 Clawson Creek Upper Reaches Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC08-25_SFH_06 Palmetto Point Creek (Adjc.To Mrkr #84) Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC09A-01_SFH_06 Hamlin Creek At Its Confluence With Aiww Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC09A-02_SFH_06 Hamlin Creek At Pog Upper End Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC09A-03_SFH_06 Swinton Creek Upper End Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC09A-05_SFH_06 Swinton Creek Shortcut Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC09A-06_SFH_06 Inlet Creek And Gentide Creek Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC09A-07_SFH_06 Inlet Creek At Its Confluence With Aiww Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC09A-11_SFH_06 Hamlin Creek End Of 10th Street Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC09A-12_SFH_06 Swinton Creek At Its Confluence With Hamlin Creek Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC09A-14_SFH_06 Swinton Creek At Its Confluence With Aiww Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC09A-17A_SFH_06 Conch Creek State Shellfish Ground - Sullivans Island Side Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC09A-19_SFH_06 Aiww At 25th Street - Isle Of Palms Waterbody Map Estuary 1.0 Square Miles Impaired TMDL needed
Charleston Estuary SC09A-24_SFH_06 Upper Reaches Of Inlet Creek Waterbody Map Estuary 1.0 Square Miles Impaired TMDL needed
Charleston Estuary SC09A-25_SFH_06 Swinton Creek Upper Reaches Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC09A-26_SFH_06 Hamlin Creek 1/2 Way Between Stations 1 And 2 Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC09A-27_SFH_06 Inlet Creek West Of Aiww At First Bend Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC09A-28_SFH_06 Swinton Creek West Of Aiww At Second Bend Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC09A-29_SFH_06 Lower Hamlin Creek At Site Of New Bridge (Isle Of Palms Connector) Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC09A-30_SFH_06 Upper Inlet Creek At Jennie Creek Waterbody Map Estuary 1.0 Square Miles Impaired TMDL needed
Charleston Estuary SC09A-32_SFH_06 Inlet Creek First Creek On Right Downstream From Station 6 Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC09A-33_SFH_06 Inlet Creek First Large Creek Up From Station 8 Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC09A-35_SFH_06 Inlet Creek 300 Yards Upstream From Station 6 Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC10A-02_SFH_06 Folly Creek Bridge Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC10A-03_SFH_06 Bowen Island Dock In Folly Creek Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC10A-04_SFH_06 Backman Creek At Folly Creek Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC10A-05_SFH_06 Folly Creek At King Flats Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC10A-06_SFH_06 Folly Creek Opposite Little Island Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC10A-07_SFH_06 Folly Marina North Boundary Of Prohibited Area Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC10A-11_SFH_06 Rat Island Creek At Confluence With First Creek On Left From Lighthouse Creek (U4/01) Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC10A-13_SFH_06 Lighthouse Creek At Confluence With Folly Creek Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC10A-15A_SFH_06 Folly Creek At Confluence With Secessionville Creek Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC10A-15_SFH_06 Secessionville Creek At Private Docks Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC10A-16A_SFH_06 Fludd'S Creek At Clark Sound Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC10A-16_SFH_06 Clark Sound At Ocean View Flats Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC10A-18_SFH_06 Schooner Creek At Mouth Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC10A-19_SFH_06 Schooner Creek Just Inside Clark Sound Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC10A-23_SFH_06 Lighthouse Creek State Shellfish Ground At Mouth Of First Sister Creek Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC10A-24_SFH_06 Cole Creek State Shellfish Ground Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC10A-26_SFH_06 Lighthouse Creek And Folly River In Lighthouse Creek Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC10A-28_SFH_06 Lighthouse Creek At Mouth Of Small Creek Leading To Back Of Block Island Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC10A-31_SFH_06 Rat Island Creek Nw Of Station 11 Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC10A-32_SFH_06 Block Isl. Creek - 100 Yds S. Of Split From Spoil Area Waterbody Map Estuary 1.0 Square Miles Impaired TMDL needed
Charleston Estuary SC10A-34_SFH_06 Secessionville Creek At Its Confluence With Clark Sound Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC11-02_SFH_06 Stono Bridge At S. C. Highway 700 Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC11-03_SFH_06 Stono River At Docks Between Markers 10 & 11 Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC11-05_SFH_06 Abbapoola Creek Mouth Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC11-06A_SFH_06 Abbapoola Creek At Confluence With Small Creek On West Bank At Seventh Bend (C-4/99) Waterbody Map Estuary 1.0 Square Miles Impaired TMDL needed
Charleston Estuary SC11-06_SFH_06 Abbapoola Creek At First Large Bend Waterbody Map Estuary 1.0 Square Miles Impaired TMDL needed
Charleston Estuary SC11-07_SFH_06 Green Creek At Stono River Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC11-08_SFH_06 Kiawah River Mouth Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC11-12_SFH_06 Stono River (Aiww) At Marker #27 Waterbody Map Estuary 1.0 Square Miles Impaired TMDL needed
Charleston Estuary SC11-18_SFH_06 Rantowles Creek At Confluence Of Stono River Waterbody Map Estuary 1.0 Square Miles Impaired TMDL needed
Charleston Estuary SC11-21_SFH_06 South Kiawah River On The Flats Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC11-22_SFH_06 Kiawah River Pog At Mingo Point Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC11-23_SFH_06 Captain Sams Creek And Kiawah River Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC11-27_SFH_06 Stono River At Mouth Of Penny Creek Near Marker #25 Waterbody Map Estuary 1.0 Square Miles Impaired TMDL needed
Charleston Estuary SC11-28_SFH_06 Mullett Hall Creek 150 Yards From Mouth At Fork Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC11-29_SFH_06 Kiawah River Between Bryans Creek & Mullett Hall Creek Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC11-30_SFH_06 Kiawah River At Mouth Of Bryans Creek Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC11-31_SFH_06 Bass Creek At Confluence With Kiawah River Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC11-32_SFH_06 Bass Creek At Confluence With Cinder Creek Waterbody Map Estuary 1.0 Square Miles Impaired TMDL needed
Charleston Estuary SC11-33_SFH_06 Stono River Sol Legare Boat Landing Waterbody Map Estuary 1.0 Square Miles Good  
Charleston Estuary SC11-34_SFH_06 Cinder Creek At Public Dock (3rd Bend From Confluence With Bassk Creek) (C5-01) Waterbody Map Estuary 1.0 Square Miles Impaired TMDL needed
Charleston Estuary SC11-35_SFH_06 Bass Creek At Public Dock (5th Bend From Confluence With Cinder Creek (C5-01) Waterbody Map Estuary 1.0 Square Miles Impaired TMDL needed
Cypress Swamp SCCSTL-078_S_06 Cypress Swp At Us 78 Waterbody Map Stream 1.9 Miles Impaired TMDL needed
Dorchester Ck SCCSTL-013_E_06 Dorchester Ck At Sc 165 Waterbody Map Estuary 1.0 Square Miles Impaired TMDL needed
Need To Add SCMD-803_E_08 Abbapoola Creek@ Bryans Dairy Road Waterbody Map Estuary 1.0 Square Miles Good  
Need To Add SCMD-805A_E_08 Need To Add Waterbody Map Estuary 1.0 Square Miles Good  
Need To Add SCMD-807A_E_08 Need To Add Waterbody Map Estuary 1.0 Square Miles Good  
Sawmill Branch SCCSTL-043_S_06 Sawmill Br At Sc 78 E Of Summerville Waterbody Map Stream 1.7 Miles Impaired TMDL needed
Sawmill Branch SCRS-05563_S_08 Sawmill Branch S-18-706 In Summerville Waterbody Map Stream 4.7 Miles Impaired TMDL needed
Wassamassaw Swamp SCCSTL-063_S_06 Wassamassaw Swp At Us 176 Waterbody Map Stream 3.8 Miles Good  
Whippy Swamp SCCSTL-076_S_06 Whippy Swamp At S-25-13 Waterbody Map Stream 12.4 Miles Impaired TMDL needed

Top of page



Causes of Impairment for Reporting Year 2008

South Carolina, South Carolina Coastal

Description of this table
NOTE: Click on the underlined "Cause of Impairment" value to see a listing of those waters with that cause of impairment.
Size of Assessed Waters with Listed Causes of Impairment
Fecal Coliform 20.6 48.4
Ammonia, Total   1.0
Dissolved Oxygen 1.7 1.0
Mercury 1.0  

Top of page




Probable Sources Contributing to Impairments for Reporting Year 2008

South Carolina, South Carolina Coastal Watershed


No probable sources data have been reported to EPA for this watershed.

Top of page



TMDL Alternatives by Cause of Impairment for Reporting Year 2008


South Carolina, South Carolina Coastal Watershed


No TMDL Alternatives reported.

Top of page


Cumulative TMDLs by Pollutant

South Carolina, South Carolina Coastal Watershed

This chart includes TMDLs since October 1, 1995.

Description of this table
NOTE: Click on the underlined "Number of TMDLs Completed" value to see a listing of those approved TMDLs for the pollutant.
Number of Causes of
Impairment Addressed
Fecal Coliform color.gif 6 6
Dissolved Oxygen color.gif 3 3

Total: 9 TMDLs; 0 Causes of Impairment



Top of page


Jump to main content.