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Region 5 Summary of State Information

Map of the Region 5 Connecticut Maine Massachusetts New Hampshire Rhode Island Vermont New Jersey New York Puerto Rico U.S. Virgin Islands Delaware District of Columbia Maryland Pennsylvania Virginia West Virginia Alabama Florida Georgia Kentucky Mississippi North Carolina South Carolina Tennessee Illinois Indiana Michigan Minnesota Ohio Wisconsin Arkansas Louisiana New Mexico Oklahoma Texas Iowa Kansas Missouri Nebraska Colorado Montana North Dakota South Dakota Utah Wyoming Arizona California Hawaii Nevada Alaska Idaho Oregon Washington

Depicted below are regional summary tables and charts for available water quality data reported by the States to EPA under Section 305(b) and 303(d) of the Clean Water Act.

This report displays the most current available reporting year data.
Check the Status of Available Data for more information.


Frequent Questions


Assessed Waters of Region 5

Incomplete state reported information may lead to discrepancies and/or missing information in these reports.

Description of this table
  Size of Water
Rivers and
Streams (Miles)		 Lakes, Reservoirs,
and Ponds (Acres)		 Bays and
Estuaries
(Square Miles)		 Wetlands
(Acres)		 Great Lakes
Shoreline
(Miles)		 Great Lakes
Open Water
(Square Miles)
   Good Waters 38,306 843,766   10 75 62
   Threatened Waters 4
   Impaired Waters 128,971 4,476,383 3 2,379 702 56,647
Total Assessed Waters 167,281 5,320,149 3 2,389 777 56,709
Total Waters 410,110 7,723,195 Unavailable 11,539,763 8,048 Unavailable
Percent of Waters Assessed 40.8 68.9 Unavailable .0 9.7 Unavailable

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Summary of Water Quality Assessments for Each Waterbody Type


Region 5
Water Quality Attainment in Assessed Rivers and Streams

Description of this table
Assessed Status Miles
Assessed 167,281
Unassessed 242,829
Total Miles 410,110







arrow pointing right 		Description of this table
Attainment Status Miles
Good 38,306
Threatened 4
Impaired 128,971
Total Miles Assessed 167,281

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Region 5
Designated Use Support in Assessed Rivers and Streams*

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

Description of this table
Designated Use Group Miles Assessed Percent Good Percent Threatened Percent Impaired % Good
% Threatened
% Impaired
Fish, Shellfish, and Wildlife Protection and Propagation Fish, Shellfish, And Wildlife Protection And Propagation 30,121 52.9 .0 47.1 color.gifcolor.gifcolor.gif
Aquatic Life Harvesting Aquatic Life Harvesting 8,939 47.9 .0 52.1 color.gifcolor.gif
Recreation Recreation 3,777 12.2 .0 87.8 color.gifcolor.gif
Public Water Supply Public Water Supply 1,108 25.3 .0 74.7 color.gifcolor.gif

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Region 5
Causes of Impairment in Assessed Rivers and Streams

Description of this table
Cause of Impairment Group Miles
Threatened or
Impaired
Polychlorinated Biphenyls (PCBs) color.gif 60,361
Habitat Alterations color.gif 43,636
Pathogens color.gif 42,487
Sediment color.gif 34,410
Organic Enrichment/Oxygen Depletion color.gif 32,424
Flow Alteration(s) color.gif 31,222
Nutrients color.gif 30,552
Cause Unknown color.gif 23,531
Mercury color.gif 18,778
Turbidity color.gif 9,278
Fish Consumption Advisory color.gif 9,209
Ammonia color.gif 8,338
Other Cause color.gif 7,424
Metals (other than Mercury) color.gif 5,114
Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 4,782
pH/Acidity/Caustic Conditions color.gif 4,601
Dioxins color.gif 3,421
Temperature color.gif 3,204
Pesticides color.gif 2,843
Cause Unknown - Impaired Biota color.gif 2,231
Oil and Grease color.gif 2,162
Algal Growth color.gif 984
Toxic Organics color.gif 789
Total Toxics color.gif 761
Chlorine color.gif 487
Cause Unknown - Fish Kills color.gif 441
Taste, Color and Odor color.gif 283
Nuisance Exotic Species color.gif 270
Radiation color.gif 242
Toxic Inorganics color.gif 168
Noxious Aquatic Plants color.gif 52
Biotoxins color.gif 23
Nuisance Native Species color.gif 19

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Region 5
Probable Sources of Impairments in Assessed Rivers and Streams

Description of this table
Probable Source Group Miles
Threatened or
Impaired
Atmospheric Deposition color.gif 48,796
Unknown color.gif 17,823
Hydromodification color.gif 16,650
Unspecified Nonpoint Source color.gif 15,449
Agriculture color.gif 13,733
Natural/Wildlife color.gif 10,048
Municipal Dishcarges/Sewage color.gif 9,015
Urban-Related Runoff/Stormwater color.gif 5,373
Habitat Alterations (Not Directly Related To Hydromodification) color.gif 3,410
Legacy/Historical Pollutants color.gif 2,287
Resource Extraction color.gif 1,855
Industrial color.gif 1,277
Construction color.gif 654
Land Application/Waste Sites/Tanks color.gif 490
Other color.gif 472
Recreation And Tourism (Non-Boating) color.gif 67
Spills/Dumping color.gif 60
Silviculture (Forestry) color.gif 45
Groundwater Loadings/Withdrawals color.gif 10

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Region 5
Water Quality Attainment in Assessed Lakes, Reservoirs, and Ponds

Description of this table
Assessed Status Acres
Assessed 5,320,149
Unassessed 2,403,046
Total Acres 7,723,195







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Attainment Status Acres
Good 843,766
Threatened 0
Impaired 4,476,383
Total Acres Assessed 5,320,149

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Region 5
Designated Use Support in Assessed Lakes, Reservoirs, and Ponds*

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

Description of this table
Designated Use Group Acres Assessed Percent Good Percent Threatened Percent Impaired % Good
% Threatened
% Impaired
Fish, Shellfish, and Wildlife Protection and Propagation Fish, Shellfish, And Wildlife Protection And Propagation 812,281 33.2 .0 66.8 color.gifcolor.gif
Aesthetic Value Aesthetic Value 140,318 6.4 .0 93.6 color.gifcolor.gif
Aquatic Life Harvesting Aquatic Life Harvesting 131,504 68.6 .0 31.4 color.gifcolor.gif
Public Water Supply Public Water Supply 75,885 11.0 .0 89.0 color.gifcolor.gif
Recreation Recreation 2,334 58.4 .0 41.6 color.gifcolor.gif

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Region 5
Causes of Impairment in Assessed Lakes, Reservoirs, and Ponds

Description of this table
Cause of Impairment Group Acres
Threatened or
Impaired
Mercury color.gif 3,648,037
Polychlorinated Biphenyls (PCBs) color.gif 1,829,475
Nutrients color.gif 643,885
Fish Consumption Advisory color.gif 485,488
Algal Growth color.gif 311,634
Organic Enrichment/Oxygen Depletion color.gif 259,478
Habitat Alterations color.gif 194,278
Turbidity color.gif 134,427
Nuisance Exotic Species color.gif 85,286
Metals (other than Mercury) color.gif 75,723
Pesticides color.gif 72,145
Sediment color.gif 57,965
pH/Acidity/Caustic Conditions color.gif 33,374
Cause Unknown color.gif 29,569
Noxious Aquatic Plants color.gif 26,984
Nuisance Native Species color.gif 19,253
Dioxins color.gif 18,569
Taste, Color and Odor color.gif 16,385
Total Toxics color.gif 4,743
Cause Unknown - Fish Kills color.gif 4,614
Pathogens color.gif 2,898
Toxic Organics color.gif 2,489
Ammonia color.gif 2,048
Temperature color.gif 1,556
Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 261
Flow Alteration(s) color.gif 136

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Region 5
Probable Sources of Impairments in Assessed Lakes, Reservoirs, and Ponds

Description of this table
Probable Source Group Acres
Threatened or
Impaired
Atmospheric Deposition color.gif 2,320,761
Legacy/Historical Pollutants color.gif 260,476
Unspecified Nonpoint Source color.gif 246,351
Unknown color.gif 232,133
Agriculture color.gif 154,899
Other color.gif 94,886
Habitat Alterations (Not Directly Related To Hydromodification) color.gif 89,573
Recreation And Tourism (Non-Boating) color.gif 76,999
Urban-Related Runoff/Stormwater color.gif 67,840
Hydromodification color.gif 45,105
Municipal Dishcarges/Sewage color.gif 35,272
Construction color.gif 24,292
Industrial color.gif 18,599
Natural/Wildlife color.gif 9,978
Resource Extraction color.gif 2,764
Land Application/Waste Sites/Tanks color.gif 1,162
Spills/Dumping color.gif 40
Silviculture (Forestry) color.gif 11

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Region 5
Water Quality Attainment in Assessed Bays and Estuaries

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







arrow pointing right 		Description of this table
Attainment Status Square Miles
Good 0
Threatened 0
Impaired 3
Total Square Miles Assessed 3

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Region 5
Designated Use Support in Assessed Bays and Estuaries*

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

Description of this table
Designated Use Group Square Miles Assessed Percent Good Percent Threatened Percent Impaired % Good
% Threatened
% Impaired
Aquatic Life Harvesting Aquatic Life Harvesting 3 .0 .0 100.0 color.gif
Fish, Shellfish, and Wildlife Protection and Propagation Fish, Shellfish, And Wildlife Protection And Propagation 0 .0 .0 100.0 color.gif

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Region 5
Causes of Impairment in Assessed Bays and Estuaries

Description of this table
Cause of Impairment Group Square Miles
Threatened or
Impaired
Polychlorinated Biphenyls (PCBs) color.gif 3
Metals (other than Mercury) color.gif 0
Nutrients color.gif 0

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Region 5
Probable Sources of Impairments in Assessed Bays and Estuaries

Description of this table
Probable Source Group Square Miles
Threatened or
Impaired
Unknown color.gif 2
Urban-Related Runoff/Stormwater color.gif 0
Industrial color.gif 0
Legacy/Historical Pollutants color.gif 0

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Region 5
Water Quality Attainment in Assessed Wetlands

Description of this table
Assessed Status Acres
Assessed 2,389
Unassessed 11,537,374
Total Acres 11,539,763







arrow pointing right 		Description of this table
Attainment Status Acres
Good 10
Threatened 0
Impaired 2,379
Total Acres Assessed 2,389

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Region 5
Designated Use Support in Assessed Wetlands*

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

Description of this table
Designated Use Group Acres Assessed Percent Good Percent Threatened Percent Impaired % Good
% Threatened
% Impaired
Fish, Shellfish, and Wildlife Protection and Propagation Fish, Shellfish, And Wildlife Protection And Propagation 1,000 .0 .0 100.0 color.gif

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Region 5
Causes of Impairment in Assessed Wetlands

Description of this table
Cause of Impairment Group Acres
Threatened or
Impaired
Nuisance Exotic Species color.gif 1,000
Nutrients color.gif 1,000
Flow Alteration(s) color.gif 1,000
Turbidity color.gif 1,000
Organic Enrichment/Oxygen Depletion color.gif 1,000
Cause Unknown color.gif 1,000
Habitat Alterations color.gif 1,000
Fish Consumption Advisory color.gif 1,000
Polychlorinated Biphenyls (PCBs) color.gif 701
Cause Unknown - Impaired Biota color.gif 678

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Region 5
Probable Sources of Impairments in Assessed Wetlands

Description of this table
Probable Source Group Acres
Threatened or
Impaired
Atmospheric Deposition color.gif 1,701
Hydromodification color.gif 1,000
Agriculture color.gif 1,000
Unspecified Nonpoint Source color.gif 1,000
Construction color.gif 1,000
Unknown color.gif 1,000
Natural/Wildlife color.gif 1,000
Land Application/Waste Sites/Tanks color.gif 680

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Region 5
Water Quality Attainment in Assessed Great Lakes Shoreline

Description of this table
Assessed Status Miles
Assessed 777
Unassessed 7,271
Total Miles 8,048







arrow pointing right 		Description of this table
Attainment Status Miles
Good 75
Threatened 0
Impaired 702
Total Miles Assessed 777

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Region 5
Designated Use Support in Assessed Great Lakes Shoreline*

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

Description of this table
Designated Use Group Miles Assessed Percent Good Percent Threatened Percent Impaired % Good
% Threatened
% Impaired
Fish, Shellfish, and Wildlife Protection and Propagation Fish, Shellfish, And Wildlife Protection And Propagation 285 .0 .0 100.0 color.gif
Recreation Recreation 63 .0 .0 100.0 color.gif
Aquatic Life Harvesting Aquatic Life Harvesting 63 .0 .0 100.0 color.gif

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Region 5
Causes of Impairment in Assessed Great Lakes Shoreline

Description of this table
Cause of Impairment Group Miles
Threatened or
Impaired
Polychlorinated Biphenyls (PCBs) color.gif 412
Pathogens color.gif 389
Nutrients color.gif 290
Nuisance Exotic Species color.gif 290
Sediment color.gif 290
Fish Consumption Advisory color.gif 285
Habitat Alterations color.gif 170
Organic Enrichment/Oxygen Depletion color.gif 120
Mercury color.gif 59

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Region 5
Probable Sources of Impairments in Assessed Great Lakes Shoreline

Description of this table
Probable Source Group Miles
Threatened or
Impaired
Atmospheric Deposition color.gif 285
Legacy/Historical Pollutants color.gif 275
Unknown color.gif 134
Municipal Dishcarges/Sewage color.gif 24
Unspecified Nonpoint Source color.gif 6
Urban-Related Runoff/Stormwater color.gif 2
Natural/Wildlife color.gif 0

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Region 5
Water Quality Attainment in Assessed Great Lakes Open Water

Description of this table
Pie chart not displayed because total size for Great Lakes Open Water is unavailable.
Assessed Status Square Miles
Assessed 56,709
Unassessed Unavailable
Total Square Miles Unavailable







arrow pointing right 		Description of this table
Attainment Status Square Miles
Good 62
Threatened 0
Impaired 56,647
Total Square Miles Assessed 56,709

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Region 5
Designated Use Support in Assessed Great Lakes Open Water*

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

Description of this table
Designated Use Group Square Miles Assessed Percent Good Percent Threatened Percent Impaired % Good
% Threatened
% Impaired
Fish, Shellfish, and Wildlife Protection and Propagation Fish, Shellfish, And Wildlife Protection And Propagation 14,300 1.5 .0 98.5 color.gifcolor.gif
Aquatic Life Harvesting Aquatic Life Harvesting 152 .0 .0 100.0 color.gif
Recreation Recreation 151 100.0 .0 .0 color.gif
Public Water Supply Public Water Supply 151 100.0 .0 .0 color.gif

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Region 5
Causes of Impairment in Assessed Great Lakes Open Water

Description of this table
Cause of Impairment Group Square Miles
Threatened or
Impaired
Polychlorinated Biphenyls (PCBs) color.gif 42,560
Dioxins color.gif 41,937
Mercury color.gif 31,961
Pesticides color.gif 29,944
Fish Consumption Advisory color.gif 14,087
Organic Enrichment/Oxygen Depletion color.gif 13,867
Total Toxics color.gif 192
Nuisance Exotic Species color.gif 25
Taste, Color and Odor color.gif 3
Nutrients color.gif 3

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Region 5
Probable Sources of Impairments in Assessed Great Lakes Open Water

Description of this table
Probable Source Group Square Miles
Threatened or
Impaired
Atmospheric Deposition color.gif 56,254
Legacy/Historical Pollutants color.gif 15,128
Urban-Related Runoff/Stormwater color.gif 13,867
Agriculture color.gif 4,373
Unknown color.gif 554
Other color.gif 25
Industrial color.gif 3
Municipal Dishcarges/Sewage color.gif 3
Unspecified Nonpoint Source color.gif 3

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Region 5 Causes of Impairment


Description of this table
NOTE: Click on a cause of impairment (e.g. algal growth) to see the specific state-reported causes that are grouped to make up this category.
Cause of Impairment Group Size of Assessed Waters with Listed Causes of Impairment
Rivers and
Streams (Miles)		 Lakes, Reservoirs,
and Ponds (Acres)		 Bays and
Estuaries
(Square Miles)		 Wetlands
(Acres)		 Great Lakes
Shoreline
(Miles)		 Great Lakes
Open Water
(Square Miles)
Algal Growth 984 311,634        
Ammonia 8,338 2,048        
Biotoxins 23          
Cause Unknown 23,531 29,569   1,000    
Cause Unknown - Fish Kills 441 4,614        
Cause Unknown - Impaired Biota 2,231     678    
Chlorine 487          
Dioxins 3,421 18,569       41,937
Fish Consumption Advisory 9,209 485,488   1,000 285 14,087
Flow Alteration(s) 31,222 136   1,000    
Habitat Alterations 43,636 194,278   1,000 170  
Mercury 18,778 3,648,037     59 31,961
Metals (other than Mercury) 5,114 75,723 0      
Noxious Aquatic Plants 52 26,984        
Nuisance Exotic Species 270 85,286   1,000 290 25
Nuisance Native Species 19 19,253        
Nutrients 30,552 643,885 0 1,000 290 3
Oil and Grease 2,162          
Organic Enrichment/Oxygen Depletion 32,424 259,478   1,000 120 13,867
Other Cause 7,424          
Pathogens 42,487 2,898     389  
Pesticides 2,843 72,145       29,944
pH/Acidity/Caustic Conditions 4,601 33,374        
Polychlorinated Biphenyls (PCBs) 60,361 1,829,475 3 701 412 42,560
Radiation 242          
Salinity/Total Dissolved Solids/Chlorides/Sulfates 4,782 261        
Sediment 34,410 57,965     290  
Taste, Color and Odor 283 16,385       3
Temperature 3,204 1,556        
Total Toxics 761 4,743       192
Toxic Inorganics 168          
Toxic Organics 789 2,489        
Turbidity 9,278 134,427   1,000    

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Region 5 Probable Sources Contributing to Impairments

Description of this table
NOTE: Click on a source of impairment (e.g. agriculture) to see the specific state-reported sources that are grouped to make up this category.
Probable Source Group Size of Assessed Waters with Probable Sources of Impairments
Rivers and
Streams (Miles)		 Lakes, Reservoirs,
and Ponds (Acres)		 Bays and
Estuaries
(Square Miles)		 Wetlands
(Acres)		 Great Lakes
Shoreline
(Miles)		 Great Lakes
Open Water
(Square Miles)
Agriculture 13,733 154,899   1,000   4,373
Atmospheric Deposition 48,796 2,320,761   1,701 285 56,254
Construction 654 24,292   1,000    
Groundwater Loadings/Withdrawals 10          
Habitat Alterations (Not Directly Related To Hydromodification) 3,410 89,573        
Hydromodification 16,650 45,105   1,000    
Industrial 1,277 18,599 0     3
Land Application/Waste Sites/Tanks 490 1,162   680    
Legacy/Historical Pollutants 2,287 260,476 0   275 15,128
Municipal Dishcarges/Sewage 9,015 35,272     24 3
Natural/Wildlife 10,048 9,978   1,000 0  
Other 472 94,886       25
Recreation And Tourism (Non-Boating) 67 76,999        
Resource Extraction 1,855 2,764        
Silviculture (Forestry) 45 11        
Spills/Dumping 60 40        
Unknown 17,823 232,133 2 1,000 134 554
Unspecified Nonpoint Source 15,449 246,351   1,000 6 3
Urban-Related Runoff/Stormwater 5,373 67,840 0   2 13,867

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Region 5 Previously Impaired Waters Now Attaining All Uses

Description of this table
NOTE: Click on the underlined "Number of Waters Attaining" value for a detailed list of those waters now attaining all uses.
Cycle Attaining Number of Waters Attaining Number of Causes of
Impairment Addressed
2004 color.gif 97 136
2005 color.gif 38 112
2006 color.gif 73 82
2008 color.gif 254 311

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Region 5
Impaired Waters Listed By State

Description of this table
State Name Number of Waters on 303(d) List
Illinois color.gif 1,058
Indiana color.gif 1,836
Michigan color.gif 2,352
Minnesota color.gif 1,144
Ohio color.gif 267
Wisconsin color.gif 593

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Region 5 Cumulative TMDLs by Pollutant

This chart includes TMDLs since October 1, 1995.

Description of this table
NOTE: Click on the underlined "Pollutant Group" value to see a detailed list of pollutants. Click on the underlined "Number of TMDLs" value to see a listing of those TMDLs for the pollutant Group.
Pollutant Group Number of TMDLs Number of Causes of
Impairment Addressed
Mercury color.gif 1,002 1,023
Pathogens color.gif 996 1,054
Nutrients color.gif 611 978
Sediment color.gif 426 686
Turbidity color.gif 190 308
Metals (other than Mercury) color.gif 125 160
Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 87 120
Polychlorinated Biphenyls (PCBs) color.gif 53 53
Organic Enrichment/Oxygen Depletion color.gif 51 56
Ammonia color.gif 31 43
Other Cause color.gif 19 36
pH/Acidity/Caustic Conditions color.gif 19 24
Habitat Alterations color.gif 16 16
Pesticides color.gif 9 9
Temperature color.gif 4 4

Total: 3,639 TMDLs; 4,570 Causes of Impairment Addressed

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Region 5 Approved TMDLs By State

This chart includes TMDLs since October 1, 1995.

Description of this table
State Name Number of TMDLs
Illinois color.gif 302
Indiana color.gif 768
Michigan color.gif 160
Minnesota color.gif 1,166
Ohio color.gif 1,147
Wisconsin color.gif 96

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Region 5 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 color.gif 8 10
2001 color.gif 9 14
2002 color.gif 48 86
2003 color.gif 259 347
2004 color.gif 235 328
2005 color.gif 390 575
2006 color.gif 416 544
2007 color.gif 865 1,060
2008 color.gif 878 991
2009 color.gif 531 615

Total: 3,639 TMDLs; 4,570 Causes of Impairment Addressed

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Status of Available Data Used in This Report

Description of this table
State Name Assessed Waters Report Year Impaired Waters Report Year
Illinois 2006 2006
Indiana 2008 2008
Michigan 2008 2008
Minnesota 2008 2008
Ohio 2008 2008
Wisconsin 2006 2006


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