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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:
2004
2006
Waterbody Changes from Prior Cycle
For More Information:
Wisconsin Assessment Report
State Water Quality Program
Wisconsin Impaired Waters and TMDL Information
Assessed Waters of Wisconsin by Watershed
Search for a waterbody within Wisconsin
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Wisconsin 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 |  7 |
12 |
Wisconsin 2002 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 |
|---|---|
| Mercury |  277 |
| Sediment | 212 |
| Nutrients | 197 |
| Habitat Alterations | 193 |
| Organic Enrichment/Oxygen Depletion | 103 |
| Polychlorinated Biphenyls (PCBs) | 63 |
| Total Toxics | 47 |
| Temperature | 47 |
| Turbidity | 39 |
| Pathogens | 30 |
| Metals (other than Mercury) | 26 |
| Flow Alteration(s) | 26 |
| pH/Acidity/Caustic Conditions | 24 |
| Toxic Organics | 9 |
| Cause Unknown - Fish Kills | 6 |
| Oil and Grease | 4 |
| Dioxins | 3 |
| Ammonia | 3 |
| Algal Growth | 2 |
| Fish Consumption Advisory | 2 |
| Pesticides | 1 |
| Other Cause | 1 |
Total: 1,315 Causes of Impairment
Wisconsin 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) |  96 |
161 |
| Phosphorus, Total | 70 |
108 |
| Sediment | 56 |
133 |
| Phosphorus | 14 |
22 |
| Temperature | 4 |
4 |
| Ammonia | 2 |
3 |
| Polychlorinated Biphenyls (PCBs) | 2 |
2 |
| Biochemical Oxygen Demand (BOD) | 1 |
2 |
| Sedimentation | 1 |
1 |
| Turbidity | 1 |
1 |
Total: 247 TMDLs; 437 Causes of Impairment Addressed
Wisconsin 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 |
|---|---|---|
| 2000 | 1 |
1 |
| 2002 | 6 |
8 |
| 2003 | 16 |
50 |
| 2004 | 5 |
8 |
| 2005 | 25 |
56 |
| 2006 | 7 |
15 |
| 2007 | 26 |
33 |
| 2008 | 6 |
11 |
| 2009 | 4 |
8 |
| 2010 | 2 |
4 |
| 2011 | 101 |
180 |
| 2012 | 48 |
63 |
Total: 247 TMDLs; 437 Causes of Impairment Addressed