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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
2006
2008
2010
Waterbody Changes from Prior Cycle
For More Information:
Kentucky Impaired Waters and TMDL Information
Assessed Waters of Kentucky by Watershed
Search for a waterbody within Kentucky
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Kentucky 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 |
|---|---|---|
| 2008 |  1 |
1 |
Kentucky 2004 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 |
|---|---|
| Sediment |  313 |
| Pathogens | 221 |
| Habitat Alterations | 210 |
| Nutrients | 127 |
| Organic Enrichment/Oxygen Depletion | 119 |
| Cause Unknown | 102 |
| Flow Alteration(s) | 75 |
| Salinity/Total Dissolved Solids/Chlorides/Sulfates | 47 |
| Polychlorinated Biphenyls (PCBs) | 41 |
| Turbidity | 41 |
| pH/Acidity/Caustic Conditions | 35 |
| Metals (other than Mercury) | 33 |
| Dioxins | 32 |
| Mercury | 29 |
| Algal Growth | 14 |
| Noxious Aquatic Plants | 6 |
| Other Cause | 5 |
| Total Toxics | 4 |
| Taste, Color and Odor | 3 |
| Oil and Grease | 2 |
| Chlorine | 2 |
| Radiation | 2 |
| Pesticides | 1 |
| Ammonia | 1 |
Total: 1,465 Causes of Impairment
Kentucky 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 |
|---|---|---|
| Pathogens |  91 |
92 |
| Escherichia Coli (E. Coli) | 89 |
89 |
| Fecal Coliform | 34 |
34 |
| pH | 21 |
22 |
| Chlorides | 5 |
5 |
| Carbonaceous Bod | 3 |
3 |
| NH3-N | 3 |
3 |
| Phosphorus, Total | 2 |
2 |
| Low pH | 1 |
1 |
| Polychlorinated Biphenyls (PCBs) | 1 |
1 |
| Total Residual Chlorine | 1 |
1 |
Total: 251 TMDLs; 253 Causes of Impairment Addressed
Kentucky 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 |
|---|---|---|
| 1998 | 16 |
16 |
| 1999 | 7 |
7 |
| 2000 | 2 |
2 |
| 2001 | 18 |
18 |
| 2004 | 4 |
4 |
| 2006 | 12 |
12 |
| 2007 | 9 |
9 |
| 2008 | 19 |
19 |
| 2009 | 40 |
40 |
| 2010 | 47 |
49 |
| 2011 | 60 |
60 |
| 2012 | 17 |
17 |
Total: 251 TMDLs; 253 Causes of Impairment Addressed