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On This Page 303(d) Listed Waters for 2012

Data are also available for these cycles:
2002 2004 2006 2008 2010

Waterbody Changes from Prior Cycle

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Minnesota Water Quality Assessment Report

Assessed Waters of Minnesota by Watershed

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Display impaired waters and TMDL information only



Site-specific Targeted Monitoring Summary Results

Minnesota (2012)

Description of this table
 
    3,296.5 191,043.0
       210.7 9,977.0
   
                     
                     
                     
                     
    12,634.3 3,607,803.5 940.0
           2,143.7     1,213,293.0     
                     
           33.3     1,434.0     
           10,457.3     2,393,076.5     940.0
              582.3     46,570.0     .0
                    9,875.1           2,346,506.5           940.0
15,930.8 3,798,846.5 940.0
91,944.0 4,500,000.0 Unavailable
17.3 84.4 Unavailable

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Summary of Water Quality Assessments for Each Waterbody Type
for Reporting Year 2012


Site-specific Targeted Monitoring Results

Minnesota Rivers and Streams 2012

Description of this table

All
Rivers and Streams

91,944.0 Miles of Rivers and Streams

Assessed 15,930.8
Unassessed 76,013.2
Total Miles 91,944.0







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Description of this table

Assessed
Rivers and Streams

15,930.8 Miles of
Assessed Rivers and Streams

Good 3,296.5
Threatened .0
Impaired 12,634.3
Total Miles Assessed 15,930.8







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Description of this table

Threatened and Impaired
Rivers and Streams

12,634.3 Miles of
Threatened and Impaired
Rivers and Streams

2,726.0
.0
33.3
9,875.1
Total Threatened and Impaired 12,634.3

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
Minnesota Rivers and Streams 2012

* Waters assessed for more than one designated use are included in multiple designated use groups below.

Description of this table
% Good
% Threatened
% Impaired
Class 1b Drinking Water 126.7 .0 .0 100.0 color.gif
Class 2a Aquatic Recreation 443.5 24.9 .0 75.1 color.gifcolor.gif
Class 2a Cold Water Aquatic Consumption 142.1 .0 .0 100.0 color.gif
Class 2a Cold Water Aquatic Life 705.9 24.4 .0 75.6 color.gifcolor.gif
Class 2b Aquatic Recreation 5,242.8 27.6 .0 72.4 color.gifcolor.gif
Class 2b Warm Water Aquatic Consumption 3,543.3 .0 .0 100.0 color.gif
Class 2b Warm Water Aquatic Life 10,627.0 38.4 .0 61.6 color.gifcolor.gif
Class 2bd Aquatic Recreation 481.5 64.2 .0 35.8 color.gifcolor.gif
Class 2bd Warm Water Aquatic Consumption 1,124.1 .0 .0 100.0 color.gif
Class 2bd Warm Water Aquatic Life 755.0 24.2 .0 75.8 color.gifcolor.gif
Class 2c Aquatic Recreation 805.3 4.9 .0 95.1 color.gifcolor.gif
Class 2c Warm Water Aquatic Consumption 100.5 .0 .0 100.0 color.gif
Class 2c Warm Water Aquatic Life 1,539.2 25.8 .0 74.2 color.gifcolor.gif
Class 7 Limited Resource Value Waters 109.2 .0 .0 100.0 color.gif

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Site-specific Targeted Monitoring Results

Causes of Impairment
Minnesota Rivers and Streams 2012

Description of this table
Turbidity Turbidity color.gif 6,081.7
Mercury in Fish Tissue Mercury color.gif 4,788.5
Fecal Coliform Pathogens color.gif 3,281.6
Fish Bioassessments Cause Unknown - Impaired Biota color.gif 2,950.2
Dissolved Oxygen Organic Enrichment/Oxygen Depletion color.gif 1,955.7
Escherichia Coli (E. Coli) Pathogens color.gif 1,866.6
Aquatic Macroinvertebrate Bioassessments Cause Unknown - Impaired Biota color.gif 1,843.4
PCB(s) in Fish Tissue Polychlorinated Biphenyls (PCBs) color.gif 1,185.6
Mercury in Water Column Mercury color.gif 434.0
Chloride Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 205.9
Arsenic Metals (other than Mercury) color.gif 146.6
Nitrates Nutrients color.gif 126.7
pH pH/Acidity/Caustic Conditions color.gif 118.2
Ammonia, Un-ionized Ammonia color.gif 96.6
Perfluorooctane Sulfonate (PFOS) in Fish Tissue Toxic Organics color.gif 84.8
PCB in Water Column Polychlorinated Biphenyls (PCBs) color.gif 43.1
Lack of a Coldwater Assemblage Other Cause color.gif 38.1
DDT Pesticides color.gif 19.0
Dieldrin Pesticides color.gif 19.0
Dioxin (Including 2,3,7,8-TCDD) Dioxins color.gif 12.5
Toxaphene Pesticides color.gif 12.5
Temperature, Water Temperature color.gif 9.6
Acetochlor Toxic Organics color.gif 9.2

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Site-specific Targeted Monitoring Results

Probable Sources
Minnesota Rivers and Streams 2012

Description of this table
Atmospheric Deposition - Toxics Atmospheric Deposition color.gif 3,938.7
On-Site Treatment Systems (Septic Systems And Similar Decentralized Systems) Municipal Discharges/Sewage color.gif 1,579.8
Livestock (Grazing Or Feeding Operations) Agriculture color.gif 1,529.0
Manure Runoff Agriculture color.gif 1,501.3
Municipal Point Source Discharges Municipal Discharges/Sewage color.gif 1,485.0
Wildlife Other Than Waterfowl Natural/Wildlife color.gif 1,435.7
Permitted Runoff From Confined Animal Feeding Operations (Cafos) Agriculture color.gif 921.6
Waterfowl Natural/Wildlife color.gif 836.7
Wastes From Pets Urban-Related Runoff/Stormwater color.gif 818.5
Urban Runoff/Storm Sewers Urban-Related Runoff/Stormwater color.gif 761.5
Sewage Discharges In Unsewered Areas Municipal Discharges/Sewage color.gif 692.6
Animal Feeding Operations (Nps) Agriculture color.gif 593.7
Wet Weather Discharges (Non-Point Source) Urban-Related Runoff/Stormwater color.gif 488.2
Land Application Of Wastewater Biosolids (Non-Agricultural) Land Application/Waste Sites/Tanks color.gif 420.1
Crop Production (Crop Land Or Dry Land) Agriculture color.gif 405.7
Streambank Modifications/Destabilization Hydromodification color.gif 365.5
Impacts From Land Application Of Wastes Land Application/Waste Sites/Tanks color.gif 225.7
Rural (Residential Areas) Other color.gif 218.8
Wet Weather Discharges (Point Source And Combination Of Stormwater, Sso Or Cso) Municipal Discharges/Sewage color.gif 182.9
Agriculture Agriculture color.gif 180.6
Discharges From Municipal Separate Storm Sewer Systems (Ms4) Urban-Related Runoff/Stormwater color.gif 172.0
Industrial Point Source Discharge Industrial color.gif 166.1
Natural Sources Natural/Wildlife color.gif 153.5
Non-Point Source Unspecified Nonpoint Source color.gif 135.0
Unspecified Urban Stormwater Urban-Related Runoff/Stormwater color.gif 79.5
Rangeland Grazing Agriculture color.gif 62.7
Construction Stormwater Discharge (Permitted) Construction color.gif 62.2
Sand/Gravel/Rock Mining Or Quarries Resource Extraction color.gif 62.1
Unrestricted Cattle Access Agriculture color.gif 53.4
Sediment Resuspension (Clean Sediment) Hydromodification color.gif 37.2
Industrial/Commercial Site Stormwater Discharge (Permitted) Urban-Related Runoff/Stormwater color.gif 35.9
Septage Disposal Municipal Discharges/Sewage color.gif 24.1
Upstream Source Other color.gif 23.8
Upstream/Downstream Source Other color.gif 22.1
Transfer Of Water From An Outside Watershed Hydromodification color.gif 22.1
Clean Sediments Hydromodification color.gif 22.1
Unspecified Unpaved Road Or Trail Urban-Related Runoff/Stormwater color.gif 13.1
Internal Nutrient Recycling Natural/Wildlife color.gif 12.2
Highway/Road/Bridge Runoff (Non-Construction Related) Urban-Related Runoff/Stormwater color.gif 11.2
Yard Maintenance Urban-Related Runoff/Stormwater color.gif 11.2
Salt Storage Sites Land Application/Waste Sites/Tanks color.gif 11.2

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Site-specific Targeted Monitoring Results

Minnesota Lakes, Reservoirs, and Ponds 2012

Description of this table

All
Lakes, Reservoirs, and Ponds

4,500,000.0 Acres of Lakes, Reservoirs, and Ponds

Assessed 3,798,846.5
Unassessed 701,153.5
Total Acres 4,500,000.0







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Description of this table

Assessed
Lakes, Reservoirs, and Ponds

3,798,846.5 Acres of
Assessed Lakes, Reservoirs, and Ponds

Good 191,043.0
Threatened .0
Impaired 3,607,803.5
Total Acres Assessed 3,798,846.5







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Description of this table

Threatened and Impaired
Lakes, Reservoirs, and Ponds

3,607,803.5 Acres of
Threatened and Impaired
Lakes, Reservoirs, and Ponds

1,259,863.0
.0
1,434.0
2,346,506.5
Total Threatened and Impaired 3,607,803.5

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
Minnesota Lakes, Reservoirs, and Ponds 2012

* Waters assessed for more than one designated use are included in multiple designated use groups below.

Description of this table
% Good
% Threatened
% Impaired
Class 2b Aquatic Recreation 1,325,122.0 57.4 .0 42.6 color.gifcolor.gif
Class 2b Warm Water Aquatic Consumption 3,453,911.5 .0 .0 100.0 color.gif
Class 2b Warm Water Aquatic Life 52,420.0 99.1 .0 .9 color.gifcolor.gif

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Site-specific Targeted Monitoring Results

Causes of Impairment
Minnesota Lakes, Reservoirs, and Ponds 2012

Description of this table
Mercury in Fish Tissue Mercury color.gif 3,453,194.5
PCB(s) in Fish Tissue Polychlorinated Biphenyls (PCBs) color.gif 1,627,559.5
Nutrient/Eutrophication Biological Indicators Nutrients color.gif 564,195.0
Mercury in Water Column Mercury color.gif 6,968.0
Perfluorooctane Sulfonate (PFOS) in Fish Tissue Toxic Organics color.gif 2,330.0
Chloride Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 497.0

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Site-specific Targeted Monitoring Results

Probable Sources
Minnesota Lakes, Reservoirs, and Ponds 2012

Description of this table
Atmospheric Deposition - Toxics Atmospheric Deposition color.gif 1,607,052.5
Internal Nutrient Recycling Natural/Wildlife color.gif 11,958.0
On-Site Treatment Systems (Septic Systems And Similar Decentralized Systems) Municipal Discharges/Sewage color.gif 9,767.0
Discharges From Municipal Separate Storm Sewer Systems (Ms4) Urban-Related Runoff/Stormwater color.gif 6,779.0
Municipal Point Source Discharges Municipal Discharges/Sewage color.gif 6,519.0
Crop Production (Crop Land Or Dry Land) Agriculture color.gif 5,972.0
Industrial Point Source Discharge Industrial color.gif 4,673.0
Permitted Runoff From Confined Animal Feeding Operations (Cafos) Agriculture color.gif 4,618.0
Upstream Source Other color.gif 2,914.0
Rural (Residential Areas) Other color.gif 2,795.0
Contaminated Groundwater Groundwater Loadings/Withdrawals color.gif 2,472.0
Unspecified Urban Stormwater Urban-Related Runoff/Stormwater color.gif 1,544.0
Agriculture Agriculture color.gif 1,452.0
Construction Stormwater Discharge (Permitted) Construction color.gif 1,337.0
Non-Point Source Unspecified Nonpoint Source color.gif 1,121.0
Urban Runoff/Storm Sewers Urban-Related Runoff/Stormwater color.gif 924.0
Waterfowl Natural/Wildlife color.gif 813.0
Golf Courses Recreation And Tourism (Non-Boating) color.gif 813.0
Wildlife Other Than Waterfowl Natural/Wildlife color.gif 813.0
Livestock (Grazing Or Feeding Operations) Agriculture color.gif 813.0
Littoral/Shore Area Modifications (Non-Riverine) Habitat Alterations (Not Directly Related To Hydromodification) color.gif 813.0
Industrial/Commercial Site Stormwater Discharge (Permitted) Urban-Related Runoff/Stormwater color.gif 731.0
Animal Feeding Operations (Nps) Agriculture color.gif 541.0
Yard Maintenance Urban-Related Runoff/Stormwater color.gif 216.0
Wet Weather Discharges (Non-Point Source) Urban-Related Runoff/Stormwater color.gif 55.0

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Site-specific Targeted Monitoring Results

Minnesota Wetlands 2012

Description of this table
Pie chart not displayed because total size for Wetlands is unavailable.
Assessed 940.0
Unassessed Unavailable
Total Acres Unavailable







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Description of this table

Assessed
Wetlands

940.0 Acres of
Assessed Wetlands

Good .0
Threatened .0
Impaired 940.0
Total Acres Assessed 940.0







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Description of this table

Threatened and Impaired
Wetlands

940.0 Acres of
Threatened and Impaired
Wetlands

.0
.0
.0
940.0
Total Threatened and Impaired 940.0

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
Minnesota Wetlands 2012

* Waters assessed for more than one designated use are included in multiple designated use groups below.

Description of this table
% Good
% Threatened
% Impaired
Class 2d Wetland Aquatic Life 940.0 .0 .0 100.0 color.gif

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Site-specific Targeted Monitoring Results

Causes of Impairment
Minnesota Wetlands 2012

Description of this table
Aquatic Plant Bioassessments Cause Unknown - Impaired Biota color.gif 878.0
Aquatic Macroinvertebrate Bioassessments Cause Unknown - Impaired Biota color.gif 323.0

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Site-specific Targeted Monitoring Results

Probable Sources
Minnesota Wetlands 2012

No probable sources of impairments reported.

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Minnesota Causes of Impairment for Reporting Year 2012


Description of this table
NOTE: Click on the underlined Cause of Impairment Group to see a list of specific state causes of impairment making up the Cause of Impairment Group. See also Pollution categories summary document (PDF) (20 pp, 557K, About PDF) for brief, non-technical descriptions of general cause categories.
Size of Assessed Waters with Listed Causes of Impairment
Ammonia 96.6
Cause Unknown - Impaired Biota 3,641.8 940.0
Dioxins 12.5
Mercury 4,928.9 3,453,325.5
Metals (other than Mercury) 146.6
Nutrients 126.7 564,195.0
Organic Enrichment/Oxygen Depletion 1,955.7
Other Cause 38.1
Pathogens 5,148.1
Pesticides 19.0
pH/Acidity/Caustic Conditions 118.2
Polychlorinated Biphenyls (PCBs) 1,194.8 1,627,559.5
Salinity/Total Dissolved Solids/Chlorides/Sulfates 205.9 497.0
Temperature 9.6
Toxic Organics 94.0 2,330.0
Turbidity 6,081.7

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Minnesota Probable Sources Contributing to Impairments
for Reporting Year 2012

Description of this table
NOTE: Click on the underlined Probable Source Group to see a list of specific state Probable Sources making up the Probable Source Group.
Size of Assessed Waters with Probable Sources of Impairments
Agriculture 1,955.3 7,424.0
Atmospheric Deposition 3,938.7 1,607,052.5
Construction 62.2 1,337.0
Groundwater Loadings/Withdrawals 2,472.0
Habitat Alterations (Not Directly Related To Hydromodification) 813.0
Hydromodification 387.5
Industrial 166.1 4,673.0
Land Application/Waste Sites/Tanks 585.1
Municipal Discharges/Sewage 1,827.4 9,767.0
Natural/Wildlife 1,601.3 11,958.0
Other 264.7 5,709.0
Recreation And Tourism (Non-Boating) 813.0
Resource Extraction 62.1
Unspecified Nonpoint Source 135.0 1,121.0
Urban-Related Runoff/Stormwater 1,757.7 7,893.0

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Minnesota TMDL Alternatives by Cause of Impairment 2012


No TMDL Alternatives reported.

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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.
2004 color.gif 23 38
2006 color.gif 5 6
2008 color.gif 122 153
2012 color.gif 8 11
2013 color.gif 2 2

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Minnesota 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.
Nutrients color.gif 486
Cause Unknown - Impaired Biota color.gif 384
Turbidity color.gif 331
Mercury color.gif 326
Pathogens color.gif 308
Polychlorinated Biphenyls (PCBs) color.gif 143
Organic Enrichment/Oxygen Depletion color.gif 106
Toxic Organics color.gif 25
Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 18
Pesticides color.gif 13
Ammonia color.gif 7
pH/Acidity/Caustic Conditions color.gif 7
Dioxins color.gif 3
Other Cause color.gif 3
Temperature color.gif 1

Total: 2,161 Causes of Impairment

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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.
Number of Causes of
Impairment Addressed
Mercury color.gif 1,257 1,279
Phosphorus, Total color.gif 212 286
Fecal Coliform color.gif 121 124
Total Suspended Solids (TSS) color.gif 81 82
Escherichia Coli (E. Coli) color.gif 61 61
Phosphorus color.gif 13 13
Carbonaceous Bod (CBOD) color.gif 10 10
Oxygen Demand color.gif 9 10
Fecal color.gif 7 7
Sediment color.gif 5 8
Nitrogenous BOD (NBOD) color.gif 3 3
Temperature color.gif 3 3
Biochemical Oxygen Demand (BOD) color.gif 2 2
Chloride color.gif 2 2
Ammonia, Total color.gif 1 1
Dissolved Oxygen color.gif 1 1
Sediment Oxygen Demand color.gif 1 1

Total: 1,789 TMDLs; 1,893 Causes of Impairment Addressed


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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.
2003 color.gif 20 20
2004 color.gif 2 2
2005 color.gif 7 7
2006 color.gif 24 24
2007 color.gif 541 556
2008 color.gif 516 525
2009 color.gif 56 58
2010 color.gif 132 132
2011 color.gif 31 31
2012 color.gif 51 52
2013 color.gif 163 173
2014 color.gif 131 155
2015 color.gif 115 158

Total: 1,789 TMDLs; 1,893 Causes of Impairment Addressed

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