![[logo] US EPA](http://www.epa.gov/epafiles/images/logo_epaseal.gif){kind=logo}
Return to home page
On This Page
On This Page
- 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:
Minnesota Impaired Waters and TMDL Information
Assessed Waters of Minnesota by Watershed
Search for a waterbody within Minnesota
Features
- About This Database (Integrated Report)
- Assessing Water Quality (Questions and Answers)
- Integrated Reporting Guidance
- Previous National Water Quality Reports
- EnviroMapper for Water
- AskWATERS
- EPA WATERS Homepage
- Exchange Network
- Assessment Database
- Statewide Statistical Surveys
- How's My Waterway Local Search tool
- Pollution Categories Summary Document
Minnesota 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 |  23 |
28 |
| 2006 | 5 |
5 |
| 2008 | 122 |
123 |
Minnesota 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 |
|---|---|
| Mercury |  1,239 |
| Nutrients | 153 |
| Turbidity | 118 |
| Polychlorinated Biphenyls (PCBs) | 113 |
| Cause Unknown - Impaired Biota | 103 |
| Pathogens | 89 |
| Organic Enrichment/Oxygen Depletion | 45 |
| Pesticides | 13 |
| Ammonia | 10 |
| Dioxins | 3 |
| Salinity/Total Dissolved Solids/Chlorides/Sulfates | 3 |
| pH/Acidity/Caustic Conditions | 2 |
| Temperature | 1 |
Total: 1,892 Causes of Impairment
Minnesota 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 |
|---|---|---|
| Mercury |  1,096 |
1,117 |
| Fecal Coliform | 104 |
107 |
| Phosphorus, Total | 86 |
91 |
| Total Suspended Solids (TSS) | 56 |
56 |
| Phosphorus | 13 |
13 |
| Carbonaceous Bod | 7 |
7 |
| Fecal | 7 |
7 |
| Escherichia Coli (E. Coli) | 3 |
3 |
| Sediment | 3 |
5 |
| Biochemical Oxygen Demand (BOD) | 2 |
2 |
| Chloride | 2 |
2 |
| Oxygen Demand | 2 |
3 |
| Sediment Oxygen Demand | 1 |
1 |
| Temperature | 1 |
1 |
| Total Ammonia | 1 |
1 |
Total: 1,384 TMDLs; 1,416 Causes of Impairment Addressed
Minnesota 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 |
|---|---|---|
| 2003 | 20 |
20 |
| 2004 | 2 |
2 |
| 2005 | 7 |
7 |
| 2006 | 24 |
24 |
| 2007 | 541 |
556 |
| 2008 | 516 |
525 |
| 2009 | 56 |
58 |
| 2010 | 132 |
132 |
| 2011 | 31 |
31 |
| 2012 | 51 |
52 |
| 2013 | 4 |
9 |
Total: 1,384 TMDLs; 1,416 Causes of Impairment Addressed