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- Previously 303(d)-Listed Waters Now Attaining All Applicable Water Quality Standards
- Causes of Impairment for 303(d) Listed Waters
- Cumulative TMDLs by Pollutant
- Cumulative Number of TMDLs
Data are also available for these cycles:
2002
2004
2006
2008
2010
2012
Waterbody Changes from Prior Cycle
For More Information:
South Dakota Impaired Waters and TMDL Information
Assessed Waters of South Dakota by Watershed
Search for a waterbody within South Dakota
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South Dakota Previously 303(d)-Listed Waters Now Attaining All Applicable Water Quality Standards
Description of this table| NOTE: Click on the underlined "Number of Waters Attaining" value for a detailed list of those previously 303(d)-listed waters now attaining all applicable water quality standards. | ||
| Year Attaining | Number of Waters Attaining | Number of Causes of Impairment Addressed |
|---|---|---|
| 2004 |  4 |
4 |
| 2008 | 11 |
15 |
| 2010 | 28 |
36 |
| 2012 | 13 |
17 |
South Dakota 1998 Causes of Impairment for 303(d) Listed Waters
Description of this table| NOTE: Click on a cause of impairment (e.g. pathogens) to see the specific state-reported causes that are grouped to make up this category. Click on the "Number of Causes of Impairment Reported" to see a list of waters with that cause of impairment. | |
| Cause of Impairment Group Name | Number of Causes of Impairment Reported |
|---|---|
| Nutrients |  103 |
| Other Cause | 56 |
| Ammonia | 42 |
| Pathogens | 21 |
| Turbidity | 18 |
| Sediment | 16 |
| pH/Acidity/Caustic Conditions | 14 |
| Metals (other than Mercury) | 11 |
| Organic Enrichment/Oxygen Depletion | 6 |
| Salinity/Total Dissolved Solids/Chlorides/Sulfates | 5 |
| Temperature | 3 |
| Cause Unknown - Fish Kills | 1 |
| Chlorine | 1 |
Total: 297 Causes of Impairment
South Dakota Cumulative TMDLs by Pollutant
This chart includes TMDLs since October 1, 1995.
Description of this table| NOTE: Click on the underlined "Pollutant" value to see associated listed waters for which a TMDL was developed. Click on the underlined "Number of TMDLs" value to see a listing of those TMDLs for the pollutant. | ||
| Pollutant | Number of TMDLs | Number of Causes of Impairment Addressed |
|---|---|---|
| Ammonia |  131 |
131 |
| Fecal Coliform | 48 |
48 |
| Phosphorus | 45 |
74 |
| Total Suspended Solids (TSS) | 22 |
22 |
| Escherichia Coli (E. Coli) | 17 |
17 |
| Sediment | 15 |
25 |
| Dissolved Oxygen | 9 |
9 |
| Nutrients | 5 |
7 |
| Biochemical Oxygen Demand (BOD) | 3 |
3 |
| Cadmium | 3 |
3 |
| Carbonaceous Bod | 3 |
3 |
| Cyanide | 3 |
3 |
| Chromium, Total | 2 |
2 |
| Silver | 2 |
2 |
| Zinc | 2 |
2 |
| Arsenic | 1 |
1 |
| Chloride | 1 |
1 |
| Copper | 1 |
1 |
| Fecal | 1 |
1 |
| Lead | 1 |
1 |
| Mercury | 1 |
1 |
| Nitrate | 1 |
1 |
| Nitrogen | 1 |
1 |
| Selenium | 1 |
1 |
| Total Dissolved Solids (TDS) | 1 |
1 |
| Trend | 1 |
1 |
Total: 321 TMDLs; 362 Causes of Impairment Addressed
South Dakota Cumulative Number of TMDLs
EPA Fiscal Year starts October 1 and ends September 30.
Description of this table
| NOTE: Click on the underlined "Number of TMDLs Completed" value for a detailed list of the TMDLs for the fiscal year. | ||
| Fiscal Year | Number of TMDLs | Number of Causes of Impairment Addressed |
|---|---|---|
| 1997 | 22 |
22 |
| 1998 | 13 |
13 |
| 1999 | 42 |
66 |
| 2000 | 10 |
10 |
| 2001 | 16 |
21 |
| 2002 | 23 |
27 |
| 2003 | 28 |
32 |
| 2004 | 27 |
27 |
| 2005 | 20 |
20 |
| 2006 | 15 |
15 |
| 2007 | 22 |
25 |
| 2008 | 26 |
27 |
| 2009 | 5 |
5 |
| 2010 | 22 |
22 |
| 2011 | 18 |
18 |
| 2012 | 12 |
12 |
Total: 321 TMDLs; 362 Causes of Impairment Addressed