Site-specific Targeted Monitoring Summary Results

Tennessee (2014)

	Size of Water
	Rivers and Streams (Miles)	Lakes, Reservoirs, and Ponds (Acres)
Good Waters	13,686.8	383,630.0
Previously impaired waters       now attaining all uses	517.7
Threatened Waters	38.9
TMDL completed
TMDL alternative
Non-pollutant impairment	16.9
TMDL needed	22.0
Impaired Waters	13,668.1	181,823.8
TMDL completed	3,365.5	62,522.0
TMDL alternative	3.0
Non-pollutant impairment	188.6
TMDL needed	10,110.9	119,301.8
New TMDLs completed	.0	.0
Remaining TMDLs needed	10,110.9	119,301.8
Total Assessed Waters	27,393.8	565,453.8
Total Waters	61,075.0	572,062.9
Percent of Waters Assessed	44.9	98.8

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Summary of Water Quality Assessments for Each Waterbody Type
for Reporting Year 2014

Site-specific Targeted Monitoring Results

Tennessee Rivers and Streams 2014

Description of this table All Rivers and Streams 61,075.0 Miles of Rivers and Streams Assessed Status Miles Assessed 27,393.8 Unassessed 33,681.3 Total Miles 61,075.0

Description of this table Assessed Rivers and Streams 27,393.8 Miles of Assessed Rivers and Streams Attainment Status Miles Good 13,686.8 Threatened 38.9 Impaired 13,668.1 Total Miles Assessed 27,393.8

Description of this table Threatened and Impaired Rivers and Streams 13,707.0 Miles of Threatened and Impaired Rivers and Streams TMDL Development Status Miles All TMDLs completed 3,365.5 TMDL alternative 3.0 Non-pollutant impairment 205.5 TMDL needed 10,132.9 Total Threatened and Impaired 13,707.0

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
Tennessee Rivers and Streams 2014

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

Designated Use	Miles Assessed	Percent Good	Percent Threatened	Percent Impaired	% Good
					% Threatened
					% Impaired
Domestic Water Supply	3,185.0	97.9	.0	2.1
Fish And Aquatic Life	26,286.9	59.7	.1	40.2
Industrial Water Supply	3,066.8	99.9	.0	.1
Irrigation	26,958.3	100.0	.0	.0
Livestock Watering And Wildlife	26,945.9	100.0	.0	.0
Naturally Reproducing Trout Stream	203.6	100.0	.0	.0
Recreation	16,373.2	51.7	.0	48.3

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Site-specific Targeted Monitoring Results

Causes of Impairment
Tennessee Rivers and Streams 2014

Cause of Impairment	Cause of Impairment Group	Miles Threatened or Impaired
Escherichia Coli (E. Coli)	Pathogens	7,502.5
Sedimentation/Siltation	Sediment	6,234.1
Physical Substrate Habitat Alterations	Habitat Alterations	4,043.5
Alteration in Stream-Side or Littoral Vegetative Covers	Habitat Alterations	3,023.1
Phosphorus, Total	Nutrients	2,532.8
Dissolved Oxygen	Organic Enrichment/Oxygen Depletion	1,862.5
Nitrate/Nitrite (Nitrite + Nitrate as N)	Nutrients	1,615.2
Low Flow Alterations	Flow Alteration(s)	506.6
Other Anthropogenic Substrate Alterations	Habitat Alterations	408.9
pH	pH/Acidity/Caustic Conditions	345.5
Polychlorinated Biphenyls (PCBs)	Polychlorinated Biphenyls (PCBs)	317.0
Mercury	Mercury	274.8
Chlordane	Pesticides	259.3
Dioxin (Including 2,3,7,8-TCDD)	Dioxins	259.1
Iron	Metals (other than Mercury)	242.9
Nutrient/Eutrophication Biological Indicators	Nutrients	206.9
Manganese	Metals (other than Mercury)	192.9
Temperature, Water	Temperature	137.5
Cause Unknown	Cause Unknown	101.4
Arsenic	Metals (other than Mercury)	68.5
RDX (Hexahydro-1,3,5-Trinitro-1,2,5-Triazine	Toxic Organics	62.9
Nitrates	Nutrients	48.2
Ammonia, Un-ionized	Ammonia	45.0
Aluminum	Metals (other than Mercury)	42.8
Sulfates	Salinity/Total Dissolved Solids/Chlorides/Sulfates	31.3
Loss Of Native Mussel Species	Nuisance Native Species	29.8
Lead	Metals (other than Mercury)	24.1
Chloride	Salinity/Total Dissolved Solids/Chlorides/Sulfates	23.9
Zinc	Metals (other than Mercury)	23.2
Copper	Metals (other than Mercury)	22.2
pH, Low	pH/Acidity/Caustic Conditions	21.8
Solids (Suspended/Bedload)	Sediment	16.0
Sulfide-Hydrogen Sulfide	Toxic Inorganics	10.4
Oil and Grease	Oil and Grease	9.2
Dieldrin	Pesticides	8.6
Endrin	Pesticides	8.6
DDT	Pesticides	8.6
Aldrin	Pesticides	8.6
Creosote	Toxic Organics	8.4
Sludge	Other Cause	8.3
Strontium	Metals (other than Mercury)	7.3
Odor Threshold Number	Taste, Color and Odor	6.7
Phosphate	Nutrients	6.3
PCB-1260	Polychlorinated Biphenyls (PCBs)	6.1
Chromium, Hexavalent	Metals (other than Mercury)	5.9
Cesium	Radiation	5.3
Color	Taste, Color and Odor	5.0
Total Dissolved Solids (TDS)	Salinity/Total Dissolved Solids/Chlorides/Sulfates	4.5
Chlorine	Chlorine	4.4
Whole Effluent Toxicity (WET)	Total Toxics	4.3
Organic Enrichment (Sewage) Biological Indicators	Organic Enrichment/Oxygen Depletion	3.8
Propylene Glycol	Toxic Organics	1.4
Coal Ash	Toxic Organics	.8
Toluene	Toxic Organics	.5

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Site-specific Targeted Monitoring Results

Probable Sources
Tennessee Rivers and Streams 2014

Probable Source	Probable Source Group	Miles Threatened or Impaired
Grazing In Riparian Or Shoreline Zones	Agriculture	6,232.2
Channelization	Hydromodification	3,533.4
Non-Irrigated Crop Production	Agriculture	3,030.5
Discharges From Municipal Separate Storm Sewer Systems (Ms4)	Urban-Related Runoff/Stormwater	2,559.9
Site Clearance (Land Development Or Redevelopment)	Construction	867.4
Source Unknown	Unknown	838.4
Sanitary Sewer Overflows (Collection System Failures)	Municipal Discharges/Sewage	761.9
Municipal Point Source Discharges	Municipal Discharges/Sewage	723.0
Upstream Impoundments (E.G., Pl-566 Nrcs Structures)	Hydromodification	617.8
Municipal (Urbanized High Density Area)	Urban-Related Runoff/Stormwater	419.7
Impacts From Abandoned Mine Lands (Inactive)	Resource Extraction	383.9
On-Site Treatment Systems (Septic Systems And Similar Decentralized Systems)	Municipal Discharges/Sewage	376.6
Contaminated Sediments	Legacy/Historical Pollutants	351.1
Unrestricted Cattle Access	Agriculture	311.4
Atmospheric Deposition - Toxics	Atmospheric Deposition	232.5
Animal Feeding Operations (Nps)	Agriculture	232.0
Sources Outside State Jurisdiction Or Borders	Other	231.0
Dredging (E.G., For Navigation Channels)	Hydromodification	207.3
Rcra Hazardous Waste Sites	Industrial	83.6
Sand/Gravel/Rock Mining Or Quarries	Resource Extraction	81.3
Silviculture Harvesting	Silviculture (Forestry)	74.6
Off-Road Vehicles	Recreation And Tourism (Non-Boating)	68.1
Specialty Crop Production	Agriculture	65.0
Irrigated Crop Production	Agriculture	63.7
Coal Mining Discharges (Permitted)	Resource Extraction	61.3
Industrial Point Source Discharge	Industrial	59.9
Streambank Modifications/Destabilization	Hydromodification	57.1
Dredge Mining	Resource Extraction	50.1
Landfills	Land Application/Waste Sites/Tanks	46.3
Highways, Roads, Bridges, Infrastructure (New Construction)	Construction	45.0
Cercla Npl (Superfund) Sites	Legacy/Historical Pollutants	30.3
Industrial/Commercial Site Stormwater Discharge (Permitted)	Urban-Related Runoff/Stormwater	29.8
Urban Runoff/Storm Sewers	Urban-Related Runoff/Stormwater	28.4
Permitted Runoff From Confined Animal Feeding Operations (Cafos)	Agriculture	26.8
Highway/Road/Bridge Runoff (Non-Construction Related)	Urban-Related Runoff/Stormwater	23.1
Mine Tailings	Resource Extraction	22.9
Surface Mining	Resource Extraction	22.2
Package Plant Or Other Permitted Small Flows Discharges	Municipal Discharges/Sewage	21.1
Mill Tailings	Industrial	18.6
Atmospheric Deposition - Acidity	Atmospheric Deposition	16.7
Dairies (Outside Milk Parlor Areas)	Agriculture	14.7
Impacts From Hydrostructure Flow Regulation/Modification	Hydromodification	14.6
Nps Pollution From Military Base Facilities (Other Than Port Facilities)	Military Bases	13.2
Impacts From Land Application Of Wastes	Land Application/Waste Sites/Tanks	12.1
Channel Erosion/Incision From Upstream Hydromodifications	Hydromodification	12.1
Combined Sewer Overflows	Municipal Discharges/Sewage	9.8
Land Application Of Wastewater Biosolids (Non-Agricultural)	Land Application/Waste Sites/Tanks	9.4
Livestock (Grazing Or Feeding Operations)	Agriculture	6.5
Aquaculture (Permitted)	Aquaculture	4.0
Petroleum/Natural Gas Activities	Resource Extraction	3.7
Industrial Land Treatment	Industrial	3.3
Waterfowl	Natural/Wildlife	2.3
Loss Of Riparian Habitat	Habitat Alterations (Not Directly Related To Hydromodification)	1.8
Petroleum/Natural Gas Production Activities (Permitted)	Industrial	1.4
Golf Courses	Recreation And Tourism (Non-Boating)	.3

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Site-specific Targeted Monitoring Results

Tennessee Lakes, Reservoirs, and Ponds 2014

Description of this table All Lakes, Reservoirs, and Ponds 572,062.9 Acres of Lakes, Reservoirs, and Ponds Assessed Status Acres Assessed 565,453.8 Unassessed 6,609.1 Total Acres 572,062.9

Description of this table Assessed Lakes, Reservoirs, and Ponds 565,453.8 Acres of Assessed Lakes, Reservoirs, and Ponds Attainment Status Acres Good 383,630.0 Threatened .0 Impaired 181,823.8 Total Acres Assessed 565,453.8

Description of this table Threatened and Impaired Lakes, Reservoirs, and Ponds 181,823.8 Acres of Threatened and Impaired Lakes, Reservoirs, and Ponds TMDL Development Status Acres All TMDLs completed 62,522.0 TMDL alternative .0 Non-pollutant impairment .0 TMDL needed 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 2014

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

Designated Use	Acres Assessed	Percent Good	Percent Threatened	Percent Impaired	% Good
					% Threatened
					% Impaired
Domestic Water Supply	526,637.0	100.0	.0	.0
Fish And Aquatic Life	563,552.8	92.8	.0	7.2
Industrial Water Supply	428,815.0	100.0	.0	.0
Irrigation	563,493.0	100.0	.0	.0
Livestock Watering And Wildlife	563,493.0	100.0	.0	.0
Navigation	1,971.0	100.0	.0	.0
Recreation	564,924.0	70.2	.0	29.8

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Site-specific Targeted Monitoring Results

Causes of Impairment
Tennessee Lakes, Reservoirs, and Ponds 2014

Cause of Impairment	Cause of Impairment Group	Acres Threatened or Impaired
Polychlorinated Biphenyls (PCBs)	Polychlorinated Biphenyls (PCBs)	95,438.0
Mercury	Mercury	67,562.0
Temperature, Water	Temperature	20,459.0
Sedimentation/Siltation	Sediment	18,174.7
Dissolved Oxygen	Organic Enrichment/Oxygen Depletion	17,519.7
Nutrient/Eutrophication Biological Indicators	Nutrients	15,635.7
Chlordane	Pesticides	13,873.0
Low Flow Alterations	Flow Alteration(s)	11,444.0
Dioxin (Including 2,3,7,8-TCDD)	Dioxins	10,370.0
Aquatic Plants - Native	Nuisance Native Species	4,550.0
Copper	Metals (other than Mercury)	2,254.0
Iron	Metals (other than Mercury)	2,254.0
Zinc	Metals (other than Mercury)	2,254.0
Escherichia Coli (E. Coli)	Pathogens	2,044.0
pH	pH/Acidity/Caustic Conditions	56.1
Phosphorus, Total	Nutrients	56.1
Chloride	Salinity/Total Dissolved Solids/Chlorides/Sulfates	56.1
Ammonia, Un-ionized	Ammonia	56.1
Nitrate/Nitrite (Nitrite + Nitrate as N)	Nutrients	56.1
Taste and Odor	Taste, Color and Odor	45.0

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Site-specific Targeted Monitoring Results

Probable Sources
Tennessee Lakes, Reservoirs, and Ponds 2014

Probable Source	Probable Source Group	Acres Threatened or Impaired
Contaminated Sediments	Legacy/Historical Pollutants	97,692.0
Atmospheric Deposition - Toxics	Atmospheric Deposition	67,421.0
Industrial Thermal Discharges	Industrial	20,459.0
Non-Irrigated Crop Production	Agriculture	15,587.0
Internal Nutrient Recycling	Natural/Wildlife	15,500.0
Site Clearance (Land Development Or Redevelopment)	Construction	10,950.0
Drainage/Filling/Loss Of Wetlands	Habitat Alterations (Not Directly Related To Hydromodification)	10,950.0
Industrial Point Source Discharge	Industrial	7,791.4
Sources Outside State Jurisdiction Or Borders	Other	4,223.0
Upstream Impoundments (E.G., Pl-566 Nrcs Structures)	Hydromodification	2,468.7
Impacts From Abandoned Mine Lands (Inactive)	Resource Extraction	2,254.0
Mill Tailings	Industrial	2,254.0
Mine Tailings	Resource Extraction	2,254.0
Source Unknown	Unknown	1,050.0
Discharges From Municipal Separate Storm Sewer Systems (Ms4)	Urban-Related Runoff/Stormwater	994.0
Combined Sewer Overflows	Municipal Discharges/Sewage	994.0
Grazing In Riparian Or Shoreline Zones	Agriculture	481.0
Surface Mining	Resource Extraction	56.1
Landfills	Land Application/Waste Sites/Tanks	56.1
Municipal (Urbanized High Density Area)	Urban-Related Runoff/Stormwater	45.0
Animal Feeding Operations (Nps)	Agriculture	34.0
On-Site Treatment Systems (Septic Systems And Similar Decentralized Systems)	Municipal Discharges/Sewage	3.7

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Tennessee Causes of Impairment for Reporting Year 2014

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Tennessee Probable Sources Contributing to Impairments
for Reporting Year 2014

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Tennessee TMDL Alternatives by Cause of Impairment 2014

NOTE: Click on the underlined "Number of TMDL Alternatives by Cause of Impairment " value to see a listing of those Causes of Impairment.
Cause of Impairment	Number of TMDL Alternatives	Rivers and Streams (Miles)	Lakes, Reservoirs, and Ponds (Acres)
Chloride	3	4	56
Ammonia, Un-ionized	2	1	56
Nitrate/Nitrite (Nitrite + Nitrate as N)	2	3	56
Strontium	2	7
Total Dissolved Solids (TDS)	2	4
Cesium	1	5
pH	1		56

Total: 13 TMDL Alternatives

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Tennessee Previously 303(d)-Listed Waters Now Attaining All Applicable Water Quality Standards

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.
Year Attaining	Number of Waters Attaining	Number of Causes of Impairment Addressed
2007	6	8
2008	1	2
2012	5	6
2014	19	26
2016	19	24

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Tennessee Causes of Impairment for 303(d) Listed Waters

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.
Cause of Impairment Group Name	Number of Causes of Impairment Reported
Habitat Alterations	543
Nutrients	445
Sediment	382
Pathogens	244
Organic Enrichment/Oxygen Depletion	156
Metals (other than Mercury)	75
Mercury	39
Temperature	23
pH/Acidity/Caustic Conditions	17
Cause Unknown	15
Polychlorinated Biphenyls (PCBs)	14
Ammonia	13
Toxic Organics	8
Pesticides	7
Salinity/Total Dissolved Solids/Chlorides/Sulfates	7
Oil and Grease	5
Other Cause	4
Taste, Color and Odor	4
Dioxins	3
Nuisance Native Species	2
Chlorine	2
Toxic Inorganics	2
Total Toxics	1

Total: 2,011 Causes of Impairment

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Tennessee Cumulative TMDLs by Pollutant

This chart includes TMDLs since October 1, 1995.

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.
Pollutant	Number of TMDLs	Number of Causes of Impairment Addressed
Escherichia Coli (E. Coli)	678	684
Siltation	336	467
Fecal Coliform	62	62
Other Habitat Alteration(s)	60	61
Nitrogen, Total	41	52
Phosphorus, Total	40	40
Polychlorinated Biphenyls (PCBs)	21	21
Alkalinity	18	19
Carbonaceous Bod (CBOD)	14	15
Iron	12	13
Chlordane	11	21
pH	10	10
Arsenic	9	9
Sediment	8	11
Low pH	7	7
Chlordane in Fish Tissue	6	6
Dioxin in Fish Tissue	6	7
Manganese	5	6
Dioxins	4	4
Ammonia, Un-ionized	2	3
Antimony	1	1
Cadmium	1	1
Copper	1	1
Lead	1	1
PCB(s) in Fish Tissue	1	2
Salinity/Total Dissolved Solids/Chlorides	1	1
Zinc	1	1

Total: 1,357 TMDLs; 1,526 Causes of Impairment Addressed

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Tennessee Cumulative Number of TMDLs

EPA Fiscal Year starts October 1 and ends September 30.

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
1999	1	1
2001	8	8
2002	13	13
2003	51	72
2004	65	66
2005	80	97
2006	319	383
2007	90	100
2008	311	324
2009	101	143
2010	57	57
2011	56	56
2012	58	59
2013	30	30
2014	19	19
2015	17	17
2016	2	2
2017	79	79

Total: 1,357 TMDLs; 1,526 Causes of Impairment Addressed

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TMDL Document Search

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