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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
2008
Waterbody Changes from Prior Cycle
For More Information:
Arkansas Impaired Waters and TMDL Information
Assessed Waters of Arkansas by Watershed
Search for a waterbody within Arkansas
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Arkansas Previously 303(d)-Listed Waters Now Attaining All Applicable Water Quality Standards
No previously 303(d)-listed waters reported as now attaining all applicable water quality standards.
Arkansas 2006 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 |
|---|---|
Total: 0 Causes of Impairment
Arkansas 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 |
|---|---|---|
| Total Suspended Solids (TSS) |  40 |
40 |
| Mercury in Fish Tissue | 36 |
36 |
| Fecal Coliform | 34 |
34 |
| Escherichia Coli (E. Coli) | 32 |
32 |
| Siltation/Turbidity | 18 |
18 |
| Lead | 12 |
12 |
| Sulfate | 12 |
12 |
| Total Dissolved Solids (TDS) | 12 |
12 |
| Turbidity | 10 |
10 |
| Chloride | 9 |
9 |
| pH | 9 |
9 |
| Copper | 8 |
8 |
| Phosphorus, Total | 7 |
7 |
| Nitrate | 6 |
6 |
| Zinc | 5 |
5 |
| Ammonia Nitrogen | 4 |
4 |
| Chlorides | 3 |
3 |
| Phosphorus | 3 |
3 |
| Sulfates | 3 |
3 |
| Ammonia | 2 |
2 |
| Oxygen Demand | 2 |
2 |
| Carbonaceous Bod | 1 |
1 |
| Dissolved Oxygen | 1 |
1 |
| Mercury | 1 |
1 |
| Nitrates | 1 |
1 |
Total: 271 TMDLs; 271 Causes of Impairment Addressed
Arkansas 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 |
|---|---|---|
| 2001 | 6 |
6 |
| 2002 | 7 |
7 |
| 2003 | 44 |
44 |
| 2004 | 11 |
11 |
| 2005 | 13 |
13 |
| 2006 | 45 |
45 |
| 2007 | 62 |
62 |
| 2008 | 34 |
34 |
| 2009 | 10 |
10 |
| 2010 | 2 |
2 |
| 2011 | 7 |
7 |
| 2012 | 30 |
30 |
Total: 271 TMDLs; 271 Causes of Impairment Addressed