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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:

Tennessee Assessment Report Exit EPA Disclaimer
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Tennessee Water Quality Assessment Report

Assessed Waters of Tennessee by Watershed

Select a watershed from the list:
or click on the map to choose a watershed:
Search for a waterbody within Tennessee
Enter Waterbody Name:
Display impaired waters and TMDL information only



Site-specific Targeted Monitoring Summary Results

Tennessee (2010)

Description of this table
 
    17,675.4 383,775.7
       97.6
    38.9
                
                
                
           38.9     
    12,914.6 181,767.7
                
                
                
           12,914.6     181,767.7
              616.0     53,831.0
                    12,298.5           127,936.7
30,628.9 565,543.4
61,075.0 572,006.8
50.1 98.9

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


Statewide Statistical Survey Summary Results

Tennessee Rivers and Streams 2010

Description of this table
Overall Condition of
Rivers and Streams
Fully Supporting 17,453.9
Not Supporting 42,940.1
Total Assessed: 60,394.0
Fish, Shellfish,
and Wildlife Protection
and Propagation Use for
Rivers and Streams
Fully Supporting 26,814.9
Not Supporting 33,579.1
Total Assessed: 60,394.0
Recreation Use for
Rivers and Streams
Fully Supporting 35,001.1
Not Supporting 25,392.9
Total Assessed: 60,394.0

Statewide Statistical Survey Stressors

Tennessee Rivers and Streams 2010

Description of this table
Escherichia Coli (E. Coli) 35,001.1 25,392.9 60,394.0
Sedimentation/Siltation 42,275.8 18,118.2 60,394.0
Riparian Habitat Alteration 43,617.9 16,776.1 60,394.0
Nitrate/Nitrite 45,631.0 14,763.0 60,394.0
Phosphorus, Total 45,631.0 14,763.0 60,394.0
Physical Substrate Habitat Alterations 46,302.1 14,091.9 60,394.0
Dissolved Oxygen 55,025.6 5,368.4 60,394.0
Cause Unknown - Biological Integrity .0 671.0 671.0
Temperature 59,723.0 671.0 60,394.0

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Site-specific Targeted Monitoring Results

Tennessee Rivers and Streams 2010

Description of this table

All
Rivers and Streams

61,075.0 Miles of Rivers and Streams

Assessed 30,628.9
Unassessed 30,446.1
Total Miles 61,075.0







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Description of this table

Assessed
Rivers and Streams

30,628.9 Miles of
Assessed Rivers and Streams

Good 17,675.4
Threatened 38.9
Impaired 12,914.6
Total Miles Assessed 30,628.9







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Description of this table

Threatened and Impaired
Rivers and Streams

12,953.5 Miles of
Threatened and Impaired
Rivers and Streams

616.0
.0
.0
12,337.4
Total Threatened and Impaired 12,953.5

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
Tennessee 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
Domestic Water Supply 3,334.9 98.8 .0 1.2 color.gifcolor.gif
Fish And Aquatic Life 29,986.4 66.9 .1 32.9 color.gifcolor.gifcolor.gif
Industrial Water Supply 3,131.2 100.0 .0 .0 color.gif
Irrigation 30,287.9 100.0 .0 .0 color.gif
Livestock Watering And Wildlife 30,287.9 100.0 .0 .0 color.gifcolor.gif
Naturally Reproducing Trout Stream 275.3 100.0 .0 .0 color.gif
Recreation 16,518.0 57.0 .0 43.0 color.gifcolor.gif

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Site-specific Targeted Monitoring Results

Causes of Impairment
Tennessee Rivers and Streams 2010

Description of this table
Escherichia Coli (E. Coli) Pathogens color.gif 6,706.9
Sedimentation/Siltation Sediment color.gif 5,953.3
Physical Substrate Habitat Alterations Habitat Alterations color.gif 4,172.5
Alteration in Stream-Side or Littoral Vegetative Covers Habitat Alterations color.gif 2,002.8
Dissolved Oxygen Organic Enrichment/Oxygen Depletion color.gif 1,823.6
Phosphorus, Total Nutrients color.gif 1,547.8
Nitrate/Nitrite (Nitrite + Nitrate as N) Nutrients color.gif 1,150.0
Other Anthropogenic Substrate Alterations Habitat Alterations color.gif 507.6
Low Flow Alterations Flow Alteration(s) color.gif 453.4
pH pH/Acidity/Caustic Conditions color.gif 409.9
Nutrient/Eutrophication Biological Indicators Nutrients color.gif 306.4
Polychlorinated Biphenyls (PCBs) Polychlorinated Biphenyls (PCBs) color.gif 300.4
Nitrates Nutrients color.gif 289.7
Mercury Mercury color.gif 256.6
Chlordane Pesticides color.gif 256.3
Dioxin (Including 2,3,7,8-TCDD) Dioxins color.gif 256.1
Iron Metals (other than Mercury) color.gif 240.3
Phosphate Nutrients color.gif 226.3
Manganese Metals (other than Mercury) color.gif 190.7
Temperature, Water Temperature color.gif 130.1
Cause Unknown Cause Unknown color.gif 107.9
Lead Metals (other than Mercury) color.gif 90.5
Arsenic Metals (other than Mercury) color.gif 84.0
RDX (Hexahydro-1,3,5-Trinitro-1,2,5-Triazine Toxic Organics color.gif 62.9
Ammonia, Un-ionized Ammonia color.gif 54.2
Zinc Metals (other than Mercury) color.gif 46.8
Copper Metals (other than Mercury) color.gif 45.8
Aluminum Metals (other than Mercury) color.gif 33.8
Sulfates Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 31.3
Loss Of Native Mussel Species Nuisance Native Species color.gif 29.8
Polycyclic Aromatic Hydrocarbons (PAHs) (Aquatic Ecosystems) Toxic Organics color.gif 26.1
Chloride Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 22.4
Oil and Grease Oil and Grease color.gif 17.6
Solids (Suspended/Bedload) Sediment color.gif 13.9
Aldrin Pesticides color.gif 8.6
Endrin Pesticides color.gif 8.6
DDT Pesticides color.gif 8.6
Dieldrin Pesticides color.gif 8.6
Strontium Metals (other than Mercury) color.gif 7.3
Sludge Other Cause color.gif 7.2
Creosote Toxic Organics color.gif 7.1
Sulfide-Hydrogen Sulfide Toxic Inorganics color.gif 6.7
Odor Threshold Number Taste, Color and Odor color.gif 6.7
Cesium Radiation color.gif 5.3
Color Taste, Color and Odor color.gif 5.0
Whole Effluent Toxicity (WET) Total Toxics color.gif 4.3
Chromium, Hexavalent Metals (other than Mercury) color.gif 3.8
Chlorine Chlorine color.gif 3.3
Total Dissolved Solids (TDS) Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 1.0
Toluene Toxic Organics color.gif .5
Acetone Toxic Organics color.gif .5

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Site-specific Targeted Monitoring Results

Probable Sources
Tennessee Rivers and Streams 2010

Description of this table
Grazing In Riparian Or Shoreline Zones Agriculture color.gif 5,280.7
Channelization Hydromodification color.gif 3,424.0
Non-Irrigated Crop Production Agriculture color.gif 2,701.2
Discharges From Municipal Separate Storm Sewer Systems (Ms4) Urban-Related Runoff/Stormwater color.gif 2,304.4
Site Clearance (Land Development Or Redevelopment) Construction color.gif 1,013.0
Source Unknown Unknown color.gif 1,002.8
Sanitary Sewer Overflows (Collection System Failures) Municipal Discharges/Sewage color.gif 600.1
Upstream Impoundments (E.G., Pl-566 Nrcs Structures) Hydromodification color.gif 592.5
Municipal Point Source Discharges Municipal Discharges/Sewage color.gif 583.6
Impacts From Abandoned Mine Lands (Inactive) Resource Extraction color.gif 450.4
Municipal (Urbanized High Density Area) Urban-Related Runoff/Stormwater color.gif 389.9
Contaminated Sediments Legacy/Historical Pollutants color.gif 344.4
On-Site Treatment Systems (Septic Systems And Similar Decentralized Systems) Municipal Discharges/Sewage color.gif 319.3
Unrestricted Cattle Access Agriculture color.gif 310.2
Animal Feeding Operations (Nps) Agriculture color.gif 268.6
Sources Outside State Jurisdiction Or Borders Other color.gif 251.0
Atmospheric Deposition - Toxics Atmospheric Deposition color.gif 216.5
Dredging (E.G., For Navigation Channels) Hydromodification color.gif 207.3
Rcra Hazardous Waste Sites Industrial color.gif 120.1
Industrial Point Source Discharge Industrial color.gif 88.8
Silviculture Harvesting Silviculture (Forestry) color.gif 86.5
Sand/Gravel/Rock Mining Or Quarries Resource Extraction color.gif 80.2
Streambank Modifications/Destabilization Hydromodification color.gif 75.1
Highways, Roads, Bridges, Infrastructure (New Construction) Construction color.gif 66.6
Coal Mining Discharges (Permitted) Resource Extraction color.gif 59.3
Off-Road Vehicles Recreation And Tourism (Non-Boating) color.gif 53.1
Dredge Mining Resource Extraction color.gif 50.1
Landfills Land Application/Waste Sites/Tanks color.gif 50.0
Specialty Crop Production Agriculture color.gif 44.2
Package Plant Or Other Permitted Small Flows Discharges Municipal Discharges/Sewage color.gif 37.8
Nps Pollution From Military Base Facilities (Other Than Port Facilities) Military Bases color.gif 35.2
Mine Tailings Resource Extraction color.gif 34.9
Mill Tailings Industrial color.gif 31.6
Cercla Npl (Superfund) Sites Legacy/Historical Pollutants color.gif 31.4
Permitted Runoff From Confined Animal Feeding Operations (Cafos) Agriculture color.gif 30.4
Industrial/Commercial Site Stormwater Discharge (Permitted) Urban-Related Runoff/Stormwater color.gif 29.8
Irrigated Crop Production Agriculture color.gif 29.3
Channel Erosion/Incision From Upstream Hydromodifications Hydromodification color.gif 24.8
Highway/Road/Bridge Runoff (Non-Construction Related) Urban-Related Runoff/Stormwater color.gif 24.5
Impacts From Hydrostructure Flow Regulation/Modification Hydromodification color.gif 14.6
Loss Of Riparian Habitat Habitat Alterations (Not Directly Related To Hydromodification) color.gif 13.4
Dairies (Outside Milk Parlor Areas) Agriculture color.gif 12.4
Atmospheric Deposition - Acidity Atmospheric Deposition color.gif 12.3
Impacts From Land Application Of Wastes Land Application/Waste Sites/Tanks color.gif 12.1
Combined Sewer Overflows Municipal Discharges/Sewage color.gif 9.8
Land Application Of Wastewater Biosolids (Non-Agricultural) Land Application/Waste Sites/Tanks color.gif 9.4
Subsurface (Hardrock) Mining Resource Extraction color.gif 9.1
Leaking Underground Storage Tanks Land Application/Waste Sites/Tanks color.gif 8.9
Other Spill Related Impacts Spills/Dumping color.gif 8.4
Livestock (Grazing Or Feeding Operations) Agriculture color.gif 6.5
Surface Mining Resource Extraction color.gif 6.4
Aquaculture (Permitted) Aquaculture color.gif 4.0
Forest Roads (Road Construction And Use) Silviculture (Forestry) color.gif 2.1
Petroleum/Natural Gas Production Activities (Permitted) Industrial color.gif 1.4
Manure Runoff Agriculture color.gif 1.1
Above Ground Storage Tank Leaks (Tank Farms) Spills/Dumping color.gif .5
Golf Courses Recreation And Tourism (Non-Boating) color.gif .3

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Site-specific Targeted Monitoring Results

Tennessee Lakes, Reservoirs, and Ponds 2010

Description of this table

All
Lakes, Reservoirs, and Ponds

572,006.8 Acres of Lakes, Reservoirs, and Ponds

Assessed 565,543.4
Unassessed 6,463.4
Total Acres 572,006.8







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Description of this table

Assessed
Lakes, Reservoirs, and Ponds

565,543.4 Acres of
Assessed Lakes, Reservoirs, and Ponds

Good 383,775.7
Threatened .0
Impaired 181,767.7
Total Acres Assessed 565,543.4







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Description of this table

Threatened and Impaired
Lakes, Reservoirs, and Ponds

181,767.7 Acres of
Threatened and Impaired
Lakes, Reservoirs, and Ponds

53,831.0
.0
.0
127,936.7
Total Threatened and Impaired 181,767.7

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
Tennessee 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
Domestic Water Supply 526,637.0 99.9 .0 .1 color.gifcolor.gif
Fish And Aquatic Life 563,642.4 92.7 .0 7.3 color.gifcolor.gif
Industrial Water Supply 428,818.7 100.0 .0 .0 color.gif
Irrigation 563,642.4 100.0 .0 .0 color.gif
Livestock Watering And Wildlife 563,642.4 100.0 .0 .0 color.gif
Navigation 1,971.0 100.0 .0 .0 color.gif
Recreation 564,932.4 70.2 .0 29.8 color.gifcolor.gif

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Site-specific Targeted Monitoring Results

Causes of Impairment
Tennessee Lakes, Reservoirs, and Ponds 2010

Description of this table
Polychlorinated Biphenyls (PCBs) Polychlorinated Biphenyls (PCBs) color.gif 95,438.0
Mercury Mercury color.gif 67,562.0
Dissolved Oxygen Organic Enrichment/Oxygen Depletion color.gif 37,978.7
Temperature, Water Temperature color.gif 20,459.0
Sedimentation/Siltation Sediment color.gif 18,174.7
Nutrient/Eutrophication Biological Indicators Nutrients color.gif 15,635.7
Chlordane Pesticides color.gif 13,873.0
Low Flow Alterations Flow Alteration(s) color.gif 11,444.0
Dioxin (Including 2,3,7,8-TCDD) Dioxins color.gif 10,370.0
Aquatic Plants - Native Nuisance Native Species color.gif 4,550.0
Copper Metals (other than Mercury) color.gif 2,254.0
Iron Metals (other than Mercury) color.gif 2,254.0
Zinc Metals (other than Mercury) color.gif 2,254.0
Escherichia Coli (E. Coli) Pathogens color.gif 2,044.0
Arsenic Metals (other than Mercury) color.gif 455.0
Aluminum Metals (other than Mercury) color.gif 455.0
Coal Ash Toxic Organics color.gif 455.0
Taste and Odor Taste, Color and Odor color.gif 45.0

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Site-specific Targeted Monitoring Results

Probable Sources
Tennessee Lakes, Reservoirs, and Ponds 2010

Description of this table
Contaminated Sediments Legacy/Historical Pollutants color.gif 97,692.0
Atmospheric Deposition - Toxics Atmospheric Deposition color.gif 67,421.0
Industrial Thermal Discharges Industrial color.gif 20,459.0
Non-Irrigated Crop Production Agriculture color.gif 15,587.0
Internal Nutrient Recycling Natural/Wildlife color.gif 15,500.0
Site Clearance (Land Development Or Redevelopment) Construction color.gif 10,950.0
Drainage/Filling/Loss Of Wetlands Habitat Alterations (Not Directly Related To Hydromodification) color.gif 10,950.0
Industrial Point Source Discharge Industrial color.gif 7,791.4
Sources Outside State Jurisdiction Or Borders Other color.gif 4,223.0
Upstream Impoundments (E.G., Pl-566 Nrcs Structures) Hydromodification color.gif 2,468.7
Mill Tailings Industrial color.gif 2,254.0
Mine Tailings Resource Extraction color.gif 2,254.0
Impacts From Abandoned Mine Lands (Inactive) Resource Extraction color.gif 2,254.0
Source Unknown Unknown color.gif 1,050.0
Discharges From Municipal Separate Storm Sewer Systems (Ms4) Urban-Related Runoff/Stormwater color.gif 994.0
Combined Sewer Overflows Municipal Discharges/Sewage color.gif 994.0
Grazing In Riparian Or Shoreline Zones Agriculture color.gif 481.0
Other Spill Related Impacts Spills/Dumping color.gif 455.0
Municipal (Urbanized High Density Area) Urban-Related Runoff/Stormwater color.gif 45.0
Animal Feeding Operations (Nps) Agriculture color.gif 34.0
On-Site Treatment Systems (Septic Systems And Similar Decentralized Systems) Municipal Discharges/Sewage color.gif 3.7

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Tennessee 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
Ammonia 54.2
Cause Unknown 107.9
Chlorine 3.3
Dioxins 256.1 10,370.0
Flow Alteration(s) 453.4 11,444.0
Habitat Alterations 6,315.8
Mercury 256.6 67,562.0
Metals (other than Mercury) 500.1 2,709.0
Nuisance Native Species 29.8 4,550.0
Nutrients 2,913.6 15,635.7
Oil and Grease 17.6
Organic Enrichment/Oxygen Depletion 1,823.6 37,978.7
Other Cause 7.2
Pathogens 6,706.9 2,044.0
Pesticides 256.3 13,873.0
pH/Acidity/Caustic Conditions 409.9
Polychlorinated Biphenyls (PCBs) 300.4 95,438.0
Radiation 5.3
Salinity/Total Dissolved Solids/Chlorides/Sulfates 54.7
Sediment 5,967.2 18,174.7
Taste, Color and Odor 11.7 45.0
Temperature 130.1 20,459.0
Total Toxics 4.3
Toxic Inorganics 6.7
Toxic Organics 96.7 455.0

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Tennessee 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 7,898.9 16,015.0
Aquaculture 4.0
Atmospheric Deposition 228.9 67,421.0
Construction 1,044.7 10,950.0
Habitat Alterations (Not Directly Related To Hydromodification) 13.4 10,950.0
Hydromodification 4,287.8 2,468.7
Industrial 241.9 30,504.4
Land Application/Waste Sites/Tanks 80.4
Legacy/Historical Pollutants 375.9 97,692.0
Military Bases 35.2
Municipal Discharges/Sewage 1,439.9 997.7
Natural/Wildlife 15,500.0
Other 251.0 4,223.0
Recreation And Tourism (Non-Boating) 53.4
Resource Extraction 609.9 2,254.0
Silviculture (Forestry) 86.5
Spills/Dumping 8.9 455.0
Unknown 1,002.8 1,050.0
Urban-Related Runoff/Stormwater 2,611.8 1,039.0

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Tennessee TMDL Alternatives by Cause of Impairment 2010


No TMDL Alternatives reported.

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Tennessee 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.
2007 color.gif 6 7
2008 color.gif 1 2
2012 color.gif 5 6

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Tennessee 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.
Habitat Alterations color.gif 448
Sediment color.gif 396
Nutrients color.gif 348
Pathogens color.gif 236
Organic Enrichment/Oxygen Depletion color.gif 150
Metals (other than Mercury) color.gif 92
Mercury color.gif 36
pH/Acidity/Caustic Conditions color.gif 35
Temperature color.gif 22
Polychlorinated Biphenyls (PCBs) color.gif 22
Flow Alteration(s) color.gif 18
Cause Unknown color.gif 16
Pesticides color.gif 12
Toxic Organics color.gif 11
Ammonia color.gif 10
Oil and Grease color.gif 6
Dioxins color.gif 6
Turbidity color.gif 4
Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 4
Taste, Color and Odor color.gif 4
Other Cause color.gif 3
Nuisance Native Species color.gif 2
Toxic Inorganics color.gif 1
Total Toxics color.gif 1
Chlorine color.gif 1
Radiation color.gif 1

Total: 1,885 Causes of Impairment

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Tennessee 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 566 572
Siltation color.gif 342 476
Fecal Coliform color.gif 62 62
Other Habitat Alteration(s) color.gif 60 61
Nitrogen, Total color.gif 41 52
Phosphorus, Total color.gif 40 40
Polychlorinated Biphenyls (PCBs) color.gif 21 21
Alkalinity color.gif 18 19
Carbonaceous Bod (CBOD) color.gif 14 15
Iron color.gif 12 13
Chlordane color.gif 11 21
pH color.gif 10 10
Low pH color.gif 7 7
Arsenic color.gif 6 6
Chlordane in Fish Tissue color.gif 6 6
Dioxin in Fish Tissue color.gif 6 7
Manganese color.gif 5 6
Dioxins color.gif 4 4
Ammonia, Un-ionized color.gif 2 3
Antimony color.gif 1 1
Cadmium color.gif 1 1
Copper color.gif 1 1
Lead color.gif 1 1
PCB(s) in Fish Tissue color.gif 1 2
Salinity/Total Dissolved Solids/Chlorides color.gif 1 1
Zinc color.gif 1 1

Total: 1,240 TMDLs; 1,409 Causes of Impairment Addressed


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Tennessee Cumulative Number of TMDLs

EPA Fiscal Year starts October 1 and ends September 30.