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- Assessment Summary
- Causes of Impairment
- Probable Sources Contributing to Impairment
- TMDL Alternatives by Cause of Impairment
- Cumulative TMDLs by Pollutant
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South Carolina, South Carolina Coastal Watershed
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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
Click here to list Threatened and Impaired Waters Only
| NOTE: Click on the underlined "Waterbody Name" to view a Waterbody report. | ||||||||
| Waterbody Name | Waterbody ID | Location | Map | Waterbody Type | Size | Units | Status | State TMDL Development Status |
|---|---|---|---|---|---|---|---|---|
| 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 |
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. | |||||||||||||||
| Cause of Impairment | Size of Assessed Waters with Listed Causes of Impairment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rivers and Streams (Miles) |
Bays and Estuaries (Square Miles) |
||||||||||||||
| Fecal Coliform | 20.6 | 48.4 | |||||||||||||
| Ammonia, Total | 1.0 | ||||||||||||||
| Dissolved Oxygen | 1.7 | 1.0 | |||||||||||||
| Mercury | 1.0 | ||||||||||||||
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.
TMDL Alternatives by Cause of Impairment for Reporting Year 2008
South Carolina, South Carolina Coastal Watershed
No TMDL Alternatives reported.
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. | ||
| Pollutant | Number of TMDLs Completed | Number of Causes of Impairment Addressed |
|---|---|---|
| Fecal Coliform | 6 | |
| Dissolved Oxygen | 3 | |
Total: 9 TMDLs; 0 Causes of Impairment
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