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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

For More Information:

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Tennessee Water Quality Assessment Report

Assessed Waters of Tennessee by Watershed

Select a watershed from the list:
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Search for a waterbody within Tennessee
Enter Waterbody Name:
Display impaired waters and TMDL information only



Site-specific Targeted Monitoring Summary Results

Tennessee (2012)

Description of this table
 
    14,752.7 383,771.0
       492.3
    38.9
                
                
           16.9     
           22.0     
    13,610.4 181,823.8
           3,604.7     62,522.0
                
           164.6     
           9,841.2     119,301.8
              254.1     .0
                    9,587.1           119,301.8
28,402.0 565,594.8
61,075.0 572,006.8
46.5 98.9

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


Site-specific Targeted Monitoring Results

Tennessee Rivers and Streams 2012

Description of this table

All
Rivers and Streams

61,075.0 Miles of Rivers and Streams

Assessed 28,402.0
Unassessed 32,673.0
Total Miles 61,075.0







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Description of this table

Assessed
Rivers and Streams

28,402.0 Miles of
Assessed Rivers and Streams

Good 14,752.7
Threatened 38.9
Impaired 13,610.4
Total Miles Assessed 28,402.0







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Description of this table

Threatened and Impaired
Rivers and Streams

13,649.3 Miles of
Threatened and Impaired
Rivers and Streams

3,858.8
.0
181.5
9,609.1
Total Threatened and Impaired 13,649.3

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
Tennessee 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
Domestic Water Supply 3,217.8 97.9 .0 2.1 color.gifcolor.gif
Fish And Aquatic Life 27,476.0 62.0 .1 37.8 color.gifcolor.gifcolor.gif
Industrial Water Supply 3,094.5 99.9 .0 .1 color.gifcolor.gif
Irrigation 27,899.2 100.0 .0 .0 color.gifcolor.gif
Livestock Watering And Wildlife 27,886.8 100.0 .0 .0 color.gifcolor.gif
Naturally Reproducing Trout Stream 214.4 100.0 .0 .0 color.gif
Recreation 16,691.1 53.4 .0 46.6 color.gifcolor.gif

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Site-specific Targeted Monitoring Results

Causes of Impairment
Tennessee Rivers and Streams 2012

Description of this table
Escherichia Coli (E. Coli) Pathogens color.gif 7,364.5
Sedimentation/Siltation Sediment color.gif 6,172.8
Physical Substrate Habitat Alterations Habitat Alterations color.gif 4,243.7
Alteration in Stream-Side or Littoral Vegetative Covers Habitat Alterations color.gif 2,622.5
Phosphorus, Total Nutrients color.gif 2,251.6
Dissolved Oxygen Organic Enrichment/Oxygen Depletion color.gif 1,823.3
Nitrate/Nitrite (Nitrite + Nitrate as N) Nutrients color.gif 1,574.3
Low Flow Alterations Flow Alteration(s) color.gif 465.3
Other Anthropogenic Substrate Alterations Habitat Alterations color.gif 425.4
pH pH/Acidity/Caustic Conditions color.gif 372.6
Polychlorinated Biphenyls (PCBs) Polychlorinated Biphenyls (PCBs) color.gif 314.0
Nutrient/Eutrophication Biological Indicators Nutrients color.gif 281.0
Mercury Mercury color.gif 271.8
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 255.7
Manganese Metals (other than Mercury) color.gif 203.8
Temperature, Water Temperature color.gif 132.5
Cause Unknown Cause Unknown color.gif 95.1
Arsenic Metals (other than Mercury) color.gif 90.1
RDX (Hexahydro-1,3,5-Trinitro-1,2,5-Triazine Toxic Organics color.gif 62.9
Nitrates Nutrients color.gif 55.5
Zinc Metals (other than Mercury) color.gif 47.8
Ammonia, Un-ionized Ammonia color.gif 46.7
Aluminum Metals (other than Mercury) color.gif 34.6
Sulfates Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 31.3
Loss Of Native Mussel Species Nuisance Native Species color.gif 29.8
Copper Metals (other than Mercury) color.gif 24.7
Lead Metals (other than Mercury) color.gif 24.1
Chloride Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 23.9
pH, Low pH/Acidity/Caustic Conditions color.gif 21.8
Oil and Grease Oil and Grease color.gif 17.6
Polycyclic Aromatic Hydrocarbons (PAHs) (Aquatic Ecosystems) Toxic Organics color.gif 17.2
Solids (Suspended/Bedload) Sediment color.gif 14.8
Phosphate Nutrients color.gif 13.6
Sulfide-Hydrogen Sulfide Toxic Inorganics color.gif 10.4
Aldrin Pesticides color.gif 8.6
DDT Pesticides color.gif 8.6
Endrin Pesticides color.gif 8.6
Dieldrin Pesticides color.gif 8.6
Creosote Toxic Organics color.gif 8.4
Strontium Metals (other than Mercury) color.gif 7.3
Sludge Other Cause color.gif 7.2
Odor Threshold Number Taste, Color and Odor color.gif 6.7
PCB-1260 Polychlorinated Biphenyls (PCBs) color.gif 6.1
Chromium, Hexavalent Metals (other than Mercury) color.gif 5.9
Cesium Radiation color.gif 5.3
Color Taste, Color and Odor color.gif 5.0
Total Dissolved Solids (TDS) Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 4.5
Whole Effluent Toxicity (WET) Total Toxics color.gif 4.3
Chlorine Chlorine color.gif 3.3
Coal Ash Toxic Organics color.gif .8
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 2012

Description of this table
Grazing In Riparian Or Shoreline Zones Agriculture color.gif 6,056.5
Channelization Hydromodification color.gif 3,485.4
Non-Irrigated Crop Production Agriculture color.gif 3,008.5
Discharges From Municipal Separate Storm Sewer Systems (Ms4) Urban-Related Runoff/Stormwater color.gif 2,438.8
Site Clearance (Land Development Or Redevelopment) Construction color.gif 973.9
Source Unknown Unknown color.gif 902.8
Sanitary Sewer Overflows (Collection System Failures) Municipal Discharges/Sewage color.gif 694.3
Municipal Point Source Discharges Municipal Discharges/Sewage color.gif 629.3
Upstream Impoundments (E.G., Pl-566 Nrcs Structures) Hydromodification color.gif 622.2
Municipal (Urbanized High Density Area) Urban-Related Runoff/Stormwater color.gif 433.1
Impacts From Abandoned Mine Lands (Inactive) Resource Extraction color.gif 408.5
Contaminated Sediments Legacy/Historical Pollutants color.gif 363.6
On-Site Treatment Systems (Septic Systems And Similar Decentralized Systems) Municipal Discharges/Sewage color.gif 359.1
Unrestricted Cattle Access Agriculture color.gif 303.7
Animal Feeding Operations (Nps) Agriculture color.gif 240.3
Sources Outside State Jurisdiction Or Borders Other color.gif 239.5
Atmospheric Deposition - Toxics Atmospheric Deposition color.gif 229.5
Dredging (E.G., For Navigation Channels) Hydromodification color.gif 207.3
Rcra Hazardous Waste Sites Industrial color.gif 100.3
Sand/Gravel/Rock Mining Or Quarries Resource Extraction color.gif 91.6
Silviculture Harvesting Silviculture (Forestry) color.gif 71.6
Streambank Modifications/Destabilization Hydromodification color.gif 67.4
Coal Mining Discharges (Permitted) Resource Extraction color.gif 64.3
Industrial Point Source Discharge Industrial color.gif 59.9
Off-Road Vehicles Recreation And Tourism (Non-Boating) color.gif 59.6
Specialty Crop Production Agriculture color.gif 59.1
Dredge Mining Resource Extraction color.gif 50.1
Highways, Roads, Bridges, Infrastructure (New Construction) Construction color.gif 47.5
Irrigated Crop Production Agriculture color.gif 47.2
Landfills Land Application/Waste Sites/Tanks color.gif 46.3
Package Plant Or Other Permitted Small Flows Discharges Municipal Discharges/Sewage color.gif 37.8
Mine Tailings Resource Extraction color.gif 35.9
Permitted Runoff From Confined Animal Feeding Operations (Cafos) Agriculture color.gif 32.2
Mill Tailings Industrial color.gif 31.6
Cercla Npl (Superfund) Sites Legacy/Historical Pollutants color.gif 30.3
Industrial/Commercial Site Stormwater Discharge (Permitted) Urban-Related Runoff/Stormwater color.gif 29.8
Highway/Road/Bridge Runoff (Non-Construction Related) Urban-Related Runoff/Stormwater color.gif 23.1
Atmospheric Deposition - Acidity Atmospheric Deposition color.gif 16.7
Dairies (Outside Milk Parlor Areas) Agriculture color.gif 14.7
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
Nps Pollution From Military Base Facilities (Other Than Port Facilities) Military Bases color.gif 13.2
Impacts From Land Application Of Wastes Land Application/Waste Sites/Tanks color.gif 12.1
Channel Erosion/Incision From Upstream Hydromodifications Hydromodification color.gif 12.1
Surface Mining Resource Extraction color.gif 11.5
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
Livestock (Grazing Or Feeding Operations) Agriculture color.gif 6.5
Aquaculture (Permitted) Aquaculture color.gif 4.0
Petroleum/Natural Gas Activities Resource Extraction color.gif 3.7
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 2012

Description of this table

All
Lakes, Reservoirs, and Ponds

572,006.8 Acres of Lakes, Reservoirs, and Ponds

Assessed 565,594.8
Unassessed 6,412.0
Total Acres 572,006.8







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Description of this table

Assessed
Lakes, Reservoirs, and Ponds

565,594.8 Acres of
Assessed Lakes, Reservoirs, and Ponds

Good 383,771.0
Threatened .0
Impaired 181,823.8
Total Acres Assessed 565,594.8







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Description of this table

Threatened and Impaired
Lakes, Reservoirs, and Ponds

181,823.8 Acres of
Threatened and Impaired
Lakes, Reservoirs, and Ponds

62,522.0
.0
.0
119,301.8
Total Threatened and Impaired 181,823.8

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
Tennessee 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
Domestic Water Supply 526,637.0 99.9 .0 .1 color.gifcolor.gif
Fish And Aquatic Life 563,693.8 92.7 .0 7.3 color.gifcolor.gif
Industrial Water Supply 428,815.0 100.0 .0 .0 color.gif
Irrigation 563,634.0 100.0 .0 .0 color.gif
Livestock Watering And Wildlife 563,634.0 100.0 .0 .0 color.gif
Navigation 1,971.0 100.0 .0 .0 color.gif
Recreation 564,924.0 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 2012

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
Iron Metals (other than Mercury) color.gif 2,254.0
Zinc Metals (other than Mercury) color.gif 2,254.0
Copper Metals (other than Mercury) color.gif 2,254.0
Escherichia Coli (E. Coli) Pathogens color.gif 2,044.0
Coal Ash Toxic Organics color.gif 455.0
Aluminum Metals (other than Mercury) color.gif 455.0
Arsenic Metals (other than Mercury) color.gif 455.0
Nitrate/Nitrite (Nitrite + Nitrate as N) Nutrients color.gif 56.1
Phosphorus, Total Nutrients color.gif 56.1
pH pH/Acidity/Caustic Conditions color.gif 56.1
Ammonia, Un-ionized Ammonia color.gif 56.1
Chloride Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 56.1
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 2012

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
Drainage/Filling/Loss Of Wetlands Habitat Alterations (Not Directly Related To Hydromodification) color.gif 10,950.0
Site Clearance (Land Development Or Redevelopment) Construction 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
Combined Sewer Overflows Municipal Discharges/Sewage color.gif 994.0
Discharges From Municipal Separate Storm Sewer Systems (Ms4) Urban-Related Runoff/Stormwater 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
Landfills Land Application/Waste Sites/Tanks color.gif 56.1
Surface Mining Resource Extraction color.gif 56.1
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 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 46.7 56.1
Cause Unknown 95.1
Chlorine 3.3
Dioxins 256.1 10,370.0
Flow Alteration(s) 465.3 11,444.0
Habitat Alterations 6,785.9
Mercury 271.8 67,562.0
Metals (other than Mercury) 489.0 2,709.0
Nuisance Native Species 29.8 4,550.0
Nutrients 3,380.2 15,691.8
Oil and Grease 17.6
Organic Enrichment/Oxygen Depletion 1,823.3 37,978.7
Other Cause 7.2
Pathogens 7,364.5 2,044.0
Pesticides 256.3 13,873.0
pH/Acidity/Caustic Conditions 394.4 56.1
Polychlorinated Biphenyls (PCBs) 320.1 95,438.0
Radiation 5.3
Salinity/Total Dissolved Solids/Chlorides/Sulfates 56.2 56.1
Sediment 6,187.6 18,174.7
Taste, Color and Odor 11.7 45.0
Temperature 132.5 20,459.0
Total Toxics 4.3
Toxic Inorganics 10.4
Toxic Organics 89.8 455.0

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Tennessee 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 8,780.1 16,015.0
Aquaculture 4.0
Atmospheric Deposition 246.3 67,421.0
Construction 1,003.1 10,950.0
Habitat Alterations (Not Directly Related To Hydromodification) 13.4 10,950.0
Hydromodification 4,349.6 2,468.7
Industrial 193.2 30,504.4
Land Application/Waste Sites/Tanks 67.8 56.1
Legacy/Historical Pollutants 387.7 97,692.0
Military Bases 13.2
Municipal Discharges/Sewage 1,560.2 997.7
Natural/Wildlife 15,500.0
Other 239.5 4,223.0
Recreation And Tourism (Non-Boating) 59.9
Resource Extraction 594.1 2,310.1
Silviculture (Forestry) 71.6
Spills/Dumping .5 455.0
Unknown 902.8 1,050.0
Urban-Related Runoff/Stormwater 2,786.6 1,039.0

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Tennessee TMDL Alternatives by Cause of Impairment 2012


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 8
2008 color.gif 1 2
2012 color.gif 5 6
2014 color.gif 19 26

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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 484
Nutrients color.gif 407
Sediment color.gif 365
Pathogens color.gif 227
Organic Enrichment/Oxygen Depletion color.gif 150
Metals (other than Mercury) color.gif 93
Mercury color.gif 38
Temperature color.gif 22
pH/Acidity/Caustic Conditions color.gif 20
Cause Unknown color.gif 14
Ammonia color.gif 14
Polychlorinated Biphenyls (PCBs) color.gif 13
Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 12
Toxic Organics color.gif 10
Oil and Grease color.gif 6
Pesticides color.gif 6
Taste, Color and Odor color.gif 4
Other Cause color.gif 3
Nuisance Native Species color.gif 2
Dioxins color.gif 2
Toxic Inorganics color.gif 2
Radiation color.gif 1
Chlorine color.gif 1
Total Toxics color.gif 1

Total: 1,897 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 582 588
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
Arsenic color.gif 9 9
Low pH color.gif 7 7
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: 1,259 TMDLs; 1,428 Causes of Impairment Addressed


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Tennessee 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.
1999 color.gif 1 1
2001 color.gif 8 8
2002 color.gif 13 13
2003 color.gif 51 72
2004 color.gif 65 66
2005 color.gif 80 97
2006 color.gif 319 383
2007 color.gif 90 100
2008 color.gif 311 324
2009