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- Assessment Summary
- Causes of Impairment
- Probable Sources Contributing to Impairment
- TMDL Alternatives by Cause of Impairment
- Cumulative TMDLs by Pollutant
South Dakota State Report
Other states that contain this watershed:
Nebraska, Lewis And Clark Lake Watershed
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South Dakota, Lewis And Clark Lake Watershed
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Assessment Summary for Reporting Year 2010
South Dakota, Lewis And Clark Lake 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 |
|---|---|---|---|---|---|---|---|---|
| Choteau Creek | SD-MI-R-CHOTEAU_01 | Lewis & Clark Lake To S34, T96n, R63w | Waterbody Map | Creek | 39.9 | Miles | Threatened | TMDL needed |
| Corsica Lake | SD-MI-L-CORSICA_01 | Douglas County | Waterbody Map | Freshwater Reservoir | 94.0 | Acres | Good | |
| Dante Lake | SD-MI-L-DANTE_01 | Charles Mix County | Waterbody Map | Freshwater Reservoir | 15.5 | Acres | Impaired | TMDL needed |
| Emanuel Creek | SD-MI-R-EMANUEL_01 | Lewis And Clark Lake To S20, T94n, R60w | Waterbody Map | Creek | 16.1 | Miles | Impaired | TMDL needed |
| Lake Yankton | SD-MI-L-YANKTON_01 | Yankton County | Waterbody Map | Freshwater Lake | 274.6 | Acres | Good | |
| Mccook Lake | SD-MI-L-MCCOOK_01 | Union County | Waterbody Map | Freshwater Lake | 295.8 | Acres | Impaired | TMDL needed |
| Missouri River (Lewis And Clark Lake) | SD-MI-R-LEWIS_AND_CLARK_01 | Fort Randall Dam To North Sioux City | Waterbody Map | River | 65.0 | Miles | Good | |
| Slaughter Creek | SD-MI-R-SLAUGHTER_01 | Missouri River To Headwaters | Waterbody Map | River | 14.3 | Miles | Good | |
Causes of Impairment for Reporting Year 2010
South Dakota, Lewis And Clark Lake
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) |
Lakes, Reservoirs, and Ponds (Acres) |
||||||||||||||
| Fecal Coliform | 16.1 | ||||||||||||||
| Dissolved Oxygen | 15.5 | ||||||||||||||
| Temperature, Water | 295.8 | ||||||||||||||
| Total Suspended Solids (TSS) | 56.0 | ||||||||||||||
| Escherichia Coli (E. Coli) | 16.1 | ||||||||||||||
Probable Sources Contributing to Impairments for Reporting Year 2010
South Dakota, Lewis And Clark Lake Watershed
No probable sources data have been reported to EPA for this watershed.
TMDL Alternatives by Cause of Impairment for Reporting Year 2010
South Dakota, Lewis And Clark Lake Watershed
No TMDL Alternatives reported.
Cumulative TMDLs by Pollutant
South Dakota, Lewis And Clark Lake 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 |
|---|---|---|
| Phosphorus |  2 |
2 |
| Total Suspended Solids (TSS) | 2 |
2 |
| Ammonia | 1 |
1 |
| Dissolved Oxygen | 1 |
1 |
| Escherichia Coli (E. Coli) | 1 |
1 |
| Fecal Coliform | 1 |
1 |
| Sediment | 1 |
1 |
Total: 9 TMDLs; 0 Causes of Impairment
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