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On This Page 303(d) Listed Waters for 2010

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

Waterbody Changes from Prior Cycle

For More Information:

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Michigan Water Quality Assessment Report

Assessed Waters of Michigan by Watershed

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Display impaired waters and TMDL information only



Site-specific Targeted Monitoring Summary Results

Michigan (2010)

Description of this table
 
    22,715.9 561,026.8 10.3 77.6 82.2
       3,975.4 311.4 2.7 .2
   
                                              
                                              
                                              
                                              
    53,723.3 311,152.2 3,136.0 701.0 3,056.7 39,031.4 111.8 4.8
                                              
                                              
                                              
           53,723.3     311,152.2     3,136.0     701.0     3,056.7     39,031.4     111.8     4.8
              .0     .0     .0     .0     .0     .0     .0     .0
                    53,723.3           311,152.2           3,136.0           701.0           3,056.7           39,031.4           111.8           4.8
76,439.1 872,179.0 3,136.0 711.3 3,134.3 39,031.4 111.8 87.0
52,234.0 889,600.0 Unavailable 6,239,763.0 3,250.0 Unavailable Unavailable Unavailable
146.3 98.0 Unavailable .0 96.4 Unavailable Unavailable Unavailable

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Summary of Water Quality Assessments for Each Waterbody Type
for Reporting Year 2010


Site-specific Targeted Monitoring Results

Michigan Rivers and Streams 2010

Description of this table

All
Rivers and Streams

52,234.0 Miles of Rivers and Streams

Assessed 76,439.1
Unassessed -24,205.1
Total Miles 52,234.0







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Description of this table

Assessed
Rivers and Streams

76,439.1 Miles of
Assessed Rivers and Streams

Good 22,715.9
Threatened .0
Impaired 53,723.3
Total Miles Assessed 76,439.1







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Description of this table

Threatened and Impaired
Rivers and Streams

53,723.3 Miles of
Threatened and Impaired
Rivers and Streams

.0
.0
.0
53,723.3
Total Threatened and Impaired 53,723.3

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
Michigan Rivers and Streams 2010

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

Description of this table
% Good
% Threatened
% Impaired
Agriculture 76,439.1 100.0 .0 .0 color.gif
Cold Water Fishery 6,211.3 95.4 .0 4.6 color.gifcolor.gif
Fish Consumption 53,217.2 3.6 .0 96.4 color.gifcolor.gif
Industrial Water Supply 76,439.1 100.0 .0 .0 color.gif
Navigation 76,439.1 100.0 .0 .0 color.gif
Other Indigenous Aquatic Life 57,457.5 82.1 .0 17.9 color.gifcolor.gif
Partial Body Contact Recreation 3,344.6 1.5 .0 98.5 color.gifcolor.gif
Public Water Supply 17.1 .0 .0 100.0 color.gif
Total Body Contact Recreation 3,935.7 14.7 .0 85.3 color.gifcolor.gif
Warm Water Fishery 10,769.1 78.7 .0 21.3 color.gifcolor.gif

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Site-specific Targeted Monitoring Results

Causes of Impairment
Michigan Rivers and Streams 2010

Description of this table
PCB in Water Column Polychlorinated Biphenyls (PCBs) color.gif 49,550.6
PCB(s) in Fish Tissue Polychlorinated Biphenyls (PCBs) color.gif 21,923.6
Mercury in Fish Tissue Mercury color.gif 6,449.6
Mercury in Water Column Mercury color.gif 5,800.3
Other Flow Regime Alterations Flow Alteration(s) color.gif 3,579.2
Escherichia Coli (E. Coli) Pathogens color.gif 3,358.9
Other Anthropogenic Substrate Alterations Habitat Alterations color.gif 2,002.0
Sedimentation/Siltation Sediment color.gif 1,922.3
Dissolved Oxygen Organic Enrichment/Oxygen Depletion color.gif 1,412.8
Direct Habitat Alterations Habitat Alterations color.gif 735.8
Dioxin (Including 2,3,7,8-TCDD) Dioxins color.gif 726.5
Phosphorus, Total Nutrients color.gif 580.7
DDT Pesticides color.gif 189.0
Polybrominated Biphenyls Toxic Organics color.gif 189.0
Chlordane Pesticides color.gif 172.4
Cause Unknown Cause Unknown color.gif 140.9
Copper Metals (other than Mercury) color.gif 95.8
Excess Algal Growth Algal Growth color.gif 80.5
Organic Enrichment (Sewage) Biological Indicators Organic Enrichment/Oxygen Depletion color.gif 76.0
Nutrient/Eutrophication Biological Indicators Nutrients color.gif 43.1
Oil and Grease Oil and Grease color.gif 37.7
Bacterial Slimes Pathogens color.gif 30.3
Temperature, Water Temperature color.gif 30.2
Aquatic Plants - Native Nuisance Native Species color.gif 24.8
Selenium Metals (other than Mercury) color.gif 20.2
Nitrogen, Total Nutrients color.gif 17.1
Lead Metals (other than Mercury) color.gif 16.8
Solids (Suspended/Bedload) Sediment color.gif 16.8
Chromium, Total Metals (other than Mercury) color.gif 16.8
Total Suspended Solids (TSS) Turbidity color.gif 13.5
Fish Kill(s) Cause Unknown - Fish Kills color.gif 11.9
Petroleum Hydrocarbons Oil and Grease color.gif 10.3
Physical Substrate Habitat Alterations Habitat Alterations color.gif 9.6
Total Dissolved Solids (TDS) Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 8.2
Alterations in Wetland Habitats Habitat Alterations color.gif 5.9
Polychlorinated Biphenyls (PCBs) Polychlorinated Biphenyls (PCBs) color.gif 4.6
Aquatic Plants (Macrophytes) Noxious Aquatic Plants color.gif 3.2

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Site-specific Targeted Monitoring Results

Probable Sources
Michigan Rivers and Streams 2010

Description of this table
Atmospheric Deposition - Toxics Atmospheric Deposition color.gif 51,885.7
Source Unknown Unknown color.gif 4,252.3
Channelization Hydromodification color.gif 3,232.3
Agriculture Agriculture color.gif 2,184.9
Unspecified Urban Stormwater Urban-Related Runoff/Stormwater color.gif 1,666.6
Combined Sewer Overflows Municipal Discharges/Sewage color.gif 1,532.7
Illicit Connections/Hook-Ups To Storm Sewers Municipal Discharges/Sewage color.gif 1,520.4
Urban Runoff/Storm Sewers Urban-Related Runoff/Stormwater color.gif 1,469.6
Municipal (Urbanized High Density Area) Urban-Related Runoff/Stormwater color.gif 989.7
Post-Development Erosion And Sedimentation Hydromodification color.gif 802.6
Streambank Modifications/Destabilization Hydromodification color.gif 783.8
Contaminated Sediments Legacy/Historical Pollutants color.gif 775.7
Municipal Point Source Discharges Municipal Discharges/Sewage color.gif 704.1
Non-Point Source Unspecified Nonpoint Source color.gif 545.5
On-Site Treatment Systems (Septic Systems And Similar Decentralized Systems) Municipal Discharges/Sewage color.gif 447.0
Sewage Discharges In Unsewered Areas Municipal Discharges/Sewage color.gif 418.1
Industrial Point Source Discharge Industrial color.gif 355.3
Industrial/Commercial Site Stormwater Discharge (Permitted) Urban-Related Runoff/Stormwater color.gif 320.7
Habitat Modification - Other Than Hydromodification Habitat Alterations (Not Directly Related To Hydromodification) color.gif 189.5
Livestock (Grazing Or Feeding Operations) Agriculture color.gif 188.3
Waterfowl Natural/Wildlife color.gif 124.5
Loss Of Riparian Habitat Habitat Alterations (Not Directly Related To Hydromodification) color.gif 119.9
Unpermitted Discharge (Domestic Wastes) Municipal Discharges/Sewage color.gif 119.5
Wet Weather Discharges (Non-Point Source) Urban-Related Runoff/Stormwater color.gif 116.6
Sources Outside State Jurisdiction Or Borders Other color.gif 102.2
Subsurface (Hardrock) Mining Resource Extraction color.gif 84.8
Non-Irrigated Crop Production Agriculture color.gif 79.3
Dry Weather Flows With Nps Pollutants Urban-Related Runoff/Stormwater color.gif 76.5
Animal Feeding Operations (Nps) Agriculture color.gif 63.6
Mine Tailings Resource Extraction color.gif 63.3
Natural Sources Natural/Wildlife color.gif 61.2
Sanitary Sewer Overflows (Collection System Failures) Municipal Discharges/Sewage color.gif 58.8
Wastes From Pets Urban-Related Runoff/Stormwater color.gif 57.2
Dam Or Impoundment Hydromodification color.gif 41.4
Unrestricted Cattle Access Agriculture color.gif 25.6
Upstream Impoundments (E.G., Pl-566 Nrcs Structures) Hydromodification color.gif 24.4
Impervious Surface/Parking Lot Runoff Urban-Related Runoff/Stormwater color.gif 24.3
Internal Nutrient Recycling Natural/Wildlife color.gif 20.7
Landfills Land Application/Waste Sites/Tanks color.gif 20.7
Surface Mining Resource Extraction color.gif 20.2
Highways, Roads, Bridges, Infrastructure (New Construction) Construction color.gif 15.8
Wet Weather Discharges (Point Source And Combination Of Stormwater, Sso Or Cso) Municipal Discharges/Sewage color.gif 14.1
Wildlife Other Than Waterfowl Natural/Wildlife color.gif 11.4
Crop Production With Subsurface Drainage Agriculture color.gif 10.7
Petroleum/Natural Gas Activities Resource Extraction color.gif 10.3
Site Clearance (Land Development Or Redevelopment) Construction color.gif 9.5
Contaminated Groundwater Groundwater Loadings/Withdrawals color.gif 5.5
Golf Courses Recreation And Tourism (Non-Boating) color.gif 4.2
Impacts From Hydrostructure Flow Regulation/Modification Hydromodification color.gif 4.2
Impacts From Land Application Of Wastes Land Application/Waste Sites/Tanks color.gif 4.1
Mill Tailings Industrial color.gif 2.5
Hydrostructure Impacts On Fish Passage Hydromodification color.gif 2.3
Highway/Road/Bridge Runoff (Non-Construction Related) Urban-Related Runoff/Stormwater color.gif 2.3
Permitted Runoff From Confined Animal Feeding Operations (Cafos) Agriculture color.gif 2.2

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Site-specific Targeted Monitoring Results

Michigan Lakes, Reservoirs, and Ponds 2010

Description of this table

All
Lakes, Reservoirs, and Ponds

889,600.0 Acres of Lakes, Reservoirs, and Ponds

Assessed 872,179.0
Unassessed 17,421.0
Total Acres 889,600.0







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Description of this table

Assessed
Lakes, Reservoirs, and Ponds

872,179.0 Acres of
Assessed Lakes, Reservoirs, and Ponds

Good 561,026.8
Threatened .0
Impaired 311,152.2
Total Acres Assessed 872,179.0







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Description of this table

Threatened and Impaired
Lakes, Reservoirs, and Ponds

311,152.2 Acres of
Threatened and Impaired
Lakes, Reservoirs, and Ponds

.0
.0
.0
311,152.2
Total Threatened and Impaired 311,152.2

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
Michigan Lakes, Reservoirs, and Ponds 2010

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

Description of this table
% Good
% Threatened
% Impaired
Agriculture 872,179.0 100.0 .0 .0 color.gif
Cold Water Fishery 130,662.9 100.0 .0 .0 color.gif
Fish Consumption 343,628.5 9.7 .0 90.3 color.gifcolor.gif
Industrial Water Supply 872,179.0 100.0 .0 .0 color.gif
Navigation 871,347.2 100.0 .0 .0 color.gif
Other Indigenous Aquatic Life 438,124.9 97.9 .0 2.1 color.gifcolor.gif
Partial Body Contact Recreation 1,088.7 .0 .0 100.0 color.gif
Total Body Contact Recreation 1,088.7 .0 .0 100.0 color.gif
Warm Water Fishery 1,376.1 78.6 .0 21.4 color.gifcolor.gif

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Site-specific Targeted Monitoring Results

Causes of Impairment
Michigan Lakes, Reservoirs, and Ponds 2010

Description of this table
Mercury in Fish Tissue Mercury color.gif 242,852.5
PCB(s) in Fish Tissue Polychlorinated Biphenyls (PCBs) color.gif 144,704.4
Chlordane Pesticides color.gif 32,945.1
Dioxin (Including 2,3,7,8-TCDD) Dioxins color.gif 19,944.7
Phosphorus, Total Nutrients color.gif 6,048.2
Excess Algal Growth Algal Growth color.gif 4,284.2
Copper Metals (other than Mercury) color.gif 3,174.2
Nutrient/Eutrophication Biological Indicators Nutrients color.gif 1,177.4
Escherichia Coli (E. Coli) Pathogens color.gif 1,088.7
Polycyclic Aromatic Hydrocarbons (PAHs) (Aquatic Ecosystems) Toxic Organics color.gif 480.4
Zinc Metals (other than Mercury) color.gif 480.4
PCB in Water Column Polychlorinated Biphenyls (PCBs) color.gif 125.0
DDT Pesticides color.gif 86.0
Mercury in Water Column Mercury color.gif 86.0
Polybrominated Biphenyls Toxic Organics color.gif 86.0

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Site-specific Targeted Monitoring Results

Probable Sources
Michigan Lakes, Reservoirs, and Ponds 2010

Description of this table
Atmospheric Deposition - Toxics Atmospheric Deposition color.gif 310,257.7
Source Unknown Unknown color.gif 16,990.6
Contaminated Sediments Legacy/Historical Pollutants color.gif 8,700.4
Non-Point Source Unspecified Nonpoint Source color.gif 5,461.6
Municipal Point Source Discharges Municipal Discharges/Sewage color.gif 4,918.6
Agriculture Agriculture color.gif 4,284.2
Mine Tailings Resource Extraction color.gif 2,693.8
Industrial Point Source Discharge Industrial color.gif 1,375.4
Combined Sewer Overflows Municipal Discharges/Sewage color.gif 969.4
Internal Nutrient Recycling Natural/Wildlife color.gif 420.0
Unspecified Urban Stormwater Urban-Related Runoff/Stormwater color.gif 257.5
Sewage Discharges In Unsewered Areas Municipal Discharges/Sewage color.gif 119.3
Site Clearance (Land Development Or Redevelopment) Construction color.gif 2.0

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Site-specific Targeted Monitoring Results

Michigan Bays and Estuaries 2010

Description of this table
Pie chart not displayed because total size for Bays and Estuaries is unavailable.
Assessed 3,136.0
Unassessed Unavailable
Total Square Miles Unavailable







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Description of this table

Assessed
Bays and Estuaries

3,136.0 Square Miles of
Assessed Bays and Estuaries

Good .0
Threatened .0
Impaired 3,136.0
Total Square Miles Assessed 3,136.0







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Description of this table

Threatened and Impaired
Bays and Estuaries

3,136.0 Square Miles of
Threatened and Impaired
Bays and Estuaries

.0
.0
.0
3,136.0
Total Threatened and Impaired 3,136.0

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
Michigan Bays and Estuaries 2010

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

Description of this table
% Good
% Threatened
% Impaired
Agriculture 3,136.0 100.0 .0 .0 color.gif
Fish Consumption 3,136.0 .0 .0 100.0 color.gif
Industrial Water Supply 3,136.0 100.0 .0 .0 color.gif
Navigation 3,136.0 100.0 .0 .0 color.gif
Other Indigenous Aquatic Life 280.0 100.0 .0 .0 color.gif
Public Water Supply 3.0 .0 .0 100.0 color.gif

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Site-specific Targeted Monitoring Results

Causes of Impairment
Michigan Bays and Estuaries 2010

Description of this table
PCB(s) in Fish Tissue Polychlorinated Biphenyls (PCBs) color.gif 3,136.0
Dioxin (Including 2,3,7,8-TCDD) Dioxins color.gif 3,075.0
Mercury in Fish Tissue Mercury color.gif 3,040.5
Chlordane Pesticides color.gif 283.0
Phosphorus, Total Nutrients color.gif 3.0
Nutrient/Eutrophication Biological Indicators Nutrients color.gif 3.0
Taste and Odor Taste, Color and Odor color.gif 3.0

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Site-specific Targeted Monitoring Results

Probable Sources
Michigan Bays and Estuaries 2010

Description of this table
Atmospheric Deposition - Toxics Atmospheric Deposition color.gif 3,136.0
Contaminated Sediments Legacy/Historical Pollutants color.gif 1,136.5
Non-Point Source Unspecified Nonpoint Source color.gif 3.0
Industrial Point Source Discharge Industrial color.gif 3.0
Municipal Point Source Discharges Municipal Discharges/Sewage color.gif 3.0

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Site-specific Targeted Monitoring Results

Michigan Wetlands 2010

Description of this table

All
Wetlands

6,239,763.0 Acres of Wetlands

Assessed 711.3
Unassessed 6,239,051.8
Total Acres 6,239,763.0







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Description of this table

Assessed
Wetlands

711.3 Acres of
Assessed Wetlands

Good 10.3
Threatened .0
Impaired 701.0
Total Acres Assessed 711.3







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Description of this table

Threatened and Impaired
Wetlands

701.0 Acres of
Threatened and Impaired
Wetlands

.0
.0
.0
701.0
Total Threatened and Impaired 701.0

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
Michigan Wetlands 2010

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

Description of this table
% Good
% Threatened
% Impaired
Agriculture 711.3 100.0 .0 .0 color.gif
Fish Consumption 701.0 .0 .0 100.0 color.gif
Industrial Water Supply 711.3 100.0 .0 .0 color.gif
Navigation 711.3 100.0 .0 .0 color.gif
Other Indigenous Aquatic Life 10.0 100.0 .0 .0 color.gif
Partial Body Contact Recreation 21.0 .0 .0 100.0 color.gif
Total Body Contact Recreation 21.0 .0 .0 100.0 color.gif

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Site-specific Targeted Monitoring Results

Causes of Impairment
Michigan Wetlands 2010

Description of this table
PCB(s) in Fish Tissue Polychlorinated Biphenyls (PCBs) color.gif 701.0
PCB in Water Column Polychlorinated Biphenyls (PCBs) color.gif 21.0
Escherichia Coli (E. Coli) Pathogens color.gif 21.0

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Site-specific Targeted Monitoring Results

Probable Sources
Michigan Wetlands 2010

Description of this table
Atmospheric Deposition - Toxics Atmospheric Deposition color.gif 701.0
Landfills Land Application/Waste Sites/Tanks color.gif 680.0
Sewage Discharges In Unsewered Areas Municipal Discharges/Sewage color.gif 21.0

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Site-specific Targeted Monitoring Results

Michigan Great Lakes Shoreline 2010

Description of this table

All
Great Lakes Shoreline

3,250.0 Miles of Great Lakes Shoreline

Assessed 3,134.3
Unassessed 115.7
Total Miles 3,250.0







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Description of this table

Assessed
Great Lakes Shoreline

3,134.3 Miles of
Assessed Great Lakes Shoreline

Good 77.6
Threatened .0
Impaired 3,056.7
Total Miles Assessed 3,134.3







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Description of this table

Threatened and Impaired
Great Lakes Shoreline

3,056.7 Miles of
Threatened and Impaired
Great Lakes Shoreline

.0
.0
.0
3,056.7
Total Threatened and Impaired 3,056.7

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
Michigan Great Lakes Shoreline 2010

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

Description of this table
% Good
% Threatened
% Impaired
Agriculture 3,131.3 100.0 .0 .0 color.gif
Fish Consumption 3,052.0 .0 .0 100.0 color.gif
Industrial Water Supply 3,131.3 100.0 .0 .0 color.gif
Navigation 3,131.3 100.0 .0 .0 color.gif
Other Indigenous Aquatic Life 4.2 100.0 .0 .0 color.gif
Partial Body Contact Recreation 76.4 94.4 .0 5.6 color.gifcolor.gif
Total Body Contact Recreation 27.5 82.7 .0 17.3 color.gifcolor.gif

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Site-specific Targeted Monitoring Results

Causes of Impairment
Michigan Great Lakes Shoreline 2010

Description of this table
PCB(s) in Fish Tissue Polychlorinated Biphenyls (PCBs) color.gif 3,052.0
Dioxin (Including 2,3,7,8-TCDD) Dioxins color.gif 2,963.0
Mercury in Fish Tissue Mercury color.gif 2,064.0
Chlordane Pesticides color.gif 1,975.0
DDT Pesticides color.gif 529.0
Escherichia Coli (E. Coli) Pathogens color.gif 4.7

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Site-specific Targeted Monitoring Results

Probable Sources
Michigan Great Lakes Shoreline 2010

Description of this table
Atmospheric Deposition - Toxics Atmospheric Deposition color.gif 3,052.0
Agriculture Agriculture color.gif 529.0
Sanitary Sewer Overflows (Collection System Failures) Municipal Discharges/Sewage color.gif 3.0
Source Unknown Unknown color.gif 1.0
Illicit Connections/Hook-Ups To Storm Sewers Municipal Discharges/Sewage color.gif .6
Waterfowl Natural/Wildlife color.gif .4
On-Site Treatment Systems (Septic Systems And Similar Decentralized Systems) Municipal Discharges/Sewage color.gif .2
Wet Weather Discharges (Point Source And Combination Of Stormwater, Sso Or Cso) Municipal Discharges/Sewage color.gif .2
Municipal Point Source Discharges Municipal Discharges/Sewage color.gif .1

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Site-specific Targeted Monitoring Results

Michigan Great Lakes Open Water 2010

Description of this table
Pie chart not displayed because total size for Great Lakes Open Water is unavailable.
Assessed 39,031.4
Unassessed Unavailable
Total Square Miles Unavailable







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Description of this table

Assessed
Great Lakes Open Water

39,031.4 Square Miles of
Assessed Great Lakes Open Water

Good .0
Threatened .0
Impaired 39,031.4
Total Square Miles Assessed 39,031.4







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Description of this table

Threatened and Impaired
Great Lakes Open Water

39,031.4 Square Miles of
Threatened and Impaired
Great Lakes Open Water

.0
.0
.0
39,031.4
Total Threatened and Impaired 39,031.4

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
Michigan Great Lakes Open Water 2010

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

Description of this table
% Good
% Threatened
% Impaired
Agriculture 39,031.4 100.0 .0 .0 color.gif
Fish Consumption 39,031.4 .0 .0 100.0 color.gif
Industrial Water Supply 39,031.4 100.0 .0 .0 color.gif
Navigation 39,031.4 100.0 .0 .0 color.gif

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Site-specific Targeted Monitoring Results

Causes of Impairment
Michigan Great Lakes Open Water 2010

Description of this table
PCB(s) in Fish Tissue Polychlorinated Biphenyls (PCBs) color.gif 39,031.4
Dioxin (Including 2,3,7,8-TCDD) Dioxins color.gif 38,862.0
Mercury in Fish Tissue Mercury color.gif 29,816.4
Chlordane Pesticides color.gif 29,660.5
DDT Pesticides color.gif 4,397.0

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Site-specific Targeted Monitoring Results

Probable Sources
Michigan Great Lakes Open Water 2010

Description of this table
Atmospheric Deposition - Toxics Atmospheric Deposition color.gif 39,031.4
Agriculture Agriculture color.gif 4,373.0

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Site-specific Targeted Monitoring Results

Michigan Great Lakes Connecting Channel 2010

Description of this table
Pie chart not displayed because total size for Great Lakes Connecting Channel is unavailable.
Assessed 111.8
Unassessed Unavailable
Total Miles Unavailable







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Description of this table

Assessed
Great Lakes Connecting Channel

111.8 Miles of
Assessed Great Lakes Connecting Channel

Good .0
Threatened .0
Impaired 111.8
Total Miles Assessed 111.8







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Description of this table

Threatened and Impaired
Great Lakes Connecting Channel

111.8 Miles of
Threatened and Impaired
Great Lakes Connecting Channel

.0
.0
.0
111.8
Total Threatened and Impaired 111.8

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
Michigan Great Lakes Connecting Channel 2010

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

Description of this table
% Good
% Threatened
% Impaired
Agriculture 111.8 100.0 .0 .0 color.gif
Fish Consumption 111.8 .0 .0 100.0 color.gif
Industrial Water Supply 111.8 100.0 .0 .0 color.gif
Navigation 111.8 100.0 .0 .0 color.gif
Other Indigenous Aquatic Life 111.8 .0 .0 100.0 color.gif
Partial Body Contact Recreation 111.8 29.8 .0 70.2 color.gifcolor.gif
Total Body Contact Recreation 111.8 29.8 .0 70.2 color.gifcolor.gif

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Site-specific Targeted Monitoring Results

Causes of Impairment
Michigan Great Lakes Connecting Channel 2010

No causes of impairment reported.

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Site-specific Targeted Monitoring Results

Probable Sources
Michigan Great Lakes Connecting Channel 2010

No probable sources of impairments reported.

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Site-specific Targeted Monitoring Results

Michigan Inland Lake Shoreline 2010

Description of this table
Pie chart not displayed because total size for Inland Lake Shoreline is unavailable.
Assessed 87.0
Unassessed Unavailable
Total Miles Unavailable







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Description of this table

Assessed
Inland Lake Shoreline

87.0 Miles of
Assessed Inland Lake Shoreline

Good 82.2
Threatened .0
Impaired 4.8
Total Miles Assessed 87.0







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Description of this table

Threatened and Impaired
Inland Lake Shoreline

4.8 Miles of
Threatened and Impaired
Inland Lake Shoreline

.0
.0
.0
4.8
Total Threatened and Impaired 4.8

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
Michigan Inland Lake Shoreline 2010

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

Description of this table
% Good
% Threatened
% Impaired
Agriculture 87.0 100.0 .0 .0 color.gif
Industrial Water Supply 87.0 100.0 .0 .0 color.gif
Navigation 87.0 100.0 .0 .0 color.gif
Partial Body Contact Recreation 68.8 95.1 .0 4.9 color.gifcolor.gif
Total Body Contact Recreation 21.0 77.1 .0 22.9 color.gifcolor.gif

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Site-specific Targeted Monitoring Results

Causes of Impairment
Michigan Inland Lake Shoreline 2010

No causes of impairment reported.

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Site-specific Targeted Monitoring Results

Probable Sources
Michigan Inland Lake Shoreline 2010

No probable sources of impairments reported.

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Michigan Causes of Impairment for Reporting Year 2010


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
Algal Growth 80.5 4,284.2
Cause Unknown 140.9
Cause Unknown - Fish Kills 11.9
Dioxins 726.5 19,944.7 3,075.0 2,963.0 38,862.0
Flow Alteration(s) 3,579.2
Habitat Alterations 2,753.3
Mercury 11,832.8 242,852.5 3,040.5 2,064.0 29,816.4
Metals (other than Mercury) 116.0 3,174.2
Noxious Aquatic Plants 3.2
Nuisance Native Species 24.8
Nutrients 640.9 6,048.2 3.0
Oil and Grease 37.7
Organic Enrichment/Oxygen Depletion 1,467.8
Pathogens 3,389.2 1,088.7 21.0 4.7
Pesticides 361.3 33,031.1 283.0 1,975.0 29,660.5
Polychlorinated Biphenyls (PCBs) 50,337.4 144,829.4 3,136.0 701.0 3,052.0 39,031.4
Salinity/Total Dissolved Solids/Chlorides/Sulfates 8.2
Sediment 1,922.3
Taste, Color and Odor 3.0
Temperature 30.2
Toxic Organics 189.0 566.4
Turbidity 13.5

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Michigan Probable Sources Contributing to Impairments
for Reporting Year 2010

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 2,266.3 4,284.2 529.0 4,373.0
Atmospheric Deposition 51,885.7 310,257.7 3,136.0 701.0 3,052.0 39,031.4
Construction 21.7 2.0
Groundwater Loadings/Withdrawals 5.5
Habitat Alterations (Not Directly Related To Hydromodification) 283.8
Hydromodification 4,120.1
Industrial 357.9 1,375.4 3.0
Land Application/Waste Sites/Tanks 24.8 680.0
Legacy/Historical Pollutants 775.7 8,700.4 1,136.5
Municipal Discharges/Sewage 3,211.6 6,007.3 3.0 21.0 3.7
Natural/Wildlife 217.8 420.0 .4
Other 102.2
Recreation And Tourism (Non-Boating) 4.2
Resource Extraction 178.6 2,693.8
Unknown 4,252.3 16,990.6 1.0
Unspecified Nonpoint Source 545.5 5,461.6 3.0
Urban-Related Runoff/Stormwater 2,304.6 257.5

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Michigan TMDL Alternatives by Cause of Impairment 2010


Description of this table



NOTE: Click on the underlined "Number of TMDL Alternatives by Cause of Impairment " value to see a listing of those Causes of Impairment.
PCB(s) in Fish Tissue color.gif 48 1,675 87    
PCB in Water Column color.gif 44 1,609      
DDT color.gif 9 189 86    
Polybrominated Biphenyls color.gif 9 189 86    
Copper color.gif 4 5 3,139    
Dissolved Oxygen color.gif 4 7      
Nutrient/Eutrophication Biological Indicators color.gif 2     3  
Phosphorus, Total color.gif 2     3  
Taste and Odor color.gif 2     3  
Escherichia Coli (E. Coli) color.gif 1 3      
Mercury in Fish Tissue color.gif 1   87    
Mercury in Water Column color.gif 1 1      
Organic Enrichment (Sewage) Biological Indicators color.gif 1 2      
Polychlorinated Biphenyls (PCBs) color.gif 1 3      
Polycyclic Aromatic Hydrocarbons (PAHs) (Aquatic Ecosystems) color.gif 1   480    
Temperature, Water color.gif 1 0      
Zinc color.gif 1   480    

Total: 132 TMDL Alternatives

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Michigan 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 16 27
2006 color.gif 26 27
2008 color.gif 24 30
2011 color.gif 17 28

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Michigan 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.
Polychlorinated Biphenyls (PCBs) color.gif 3,229
Mercury color.gif 789
Pathogens color.gif 106
Dioxins color.gif 97
Pesticides color.gif 69
Organic Enrichment/Oxygen Depletion color.gif 48
Sediment color.gif 17
Metals (other than Mercury) color.gif 16
Nutrients color.gif 14
Cause Unknown color.gif 6
Flow Alteration(s) color.gif 6
Algal Growth color.gif 5
Oil and Grease color.gif 4
Temperature color.gif 4
Habitat Alterations color.gif 4
Cause Unknown - Fish Kills color.gif 2
Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 1
Nuisance Native Species color.gif 1
Turbidity color.gif 1
Noxious Aquatic Plants color.gif 1

Total: 4,420 Causes of Impairment

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Michigan 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
Escherichia Coli (E. Coli) color.gif 123 124
Polychlorinated Biphenyls (PCBs) color.gif 51 51
Total Suspended Solids (TSS) color.gif 17 21
Sediment color.gif 14 20
Phosphorus color.gif 10 13
Phosphorus, Total color.gif 10 23
Pathogens color.gif 9 9
Mercury color.gif 1 1
Nitrogen color.gif 1 1
Organic Enrichment/Low Dissolved Oxygen color.gif 1 1
Untreated Sewage Discharges color.gif 1 1

Total: 238 TMDLs; 265 Causes of Impairment Addressed


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Michigan 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.
2000 color.gif 6 7
2001 color.gif 4 6
2002 color.gif 9 9
2003 color.gif 12 14
2004 color.gif 8 9
2005 color.gif 19 20
2006 color.gif 10 10
2007 color.gif 16 22
2008 color.gif 58 61
2009 color.gif 18 29
2010 color.gif 19 19
2011 color.gif 14 14
2012 color.gif 24 24
2013 color.gif 21 21

Total: 238 TMDLs; 265 Causes of Impairment Addressed

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TMDL Document Search


Full Text Search of TMDL Documents

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