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Tennessee State Report
Other states that contain this watershed:
Mississippi, Horn Lake-Nonconnah Watershed

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Water Quality Data Available for this Watershed

Tennessee, Horn Lake-Nonconnah Watershed


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Features

Assessment Summary for Reporting Year 2010
Tennessee, Horn Lake-Nonconnah Watershed

Description of this table
Click here to list Threatened and Impaired Waters Only
NOTE: Click on the underlined "Waterbody Name" to view a Waterbody report.
Waterbody Name Waterbody ID Location Map Waterbody Type Size Units Status State TMDL Development Status
Black Bayou TN0801021100711_0300 Black Bayou From Nonconnah Creek To Headwaters. Ecoregion 74b Shelby County Waterbody Map River 7.9 Miles Impaired  
Cane Creek TN0801021100711_0200 Cane Creek From Nonconnah Creek To Headwaters. Ecoregion 74b Shelby County Waterbody Map River 7.2 Miles Impaired  
Cypress Creek TN08010211007_1000 Cypress Creek From Mckellar Lake To Headwaters. Ecoregion 74a & 74b Shelby County Waterbody Map River 18.2 Miles Impaired TMDL needed
Days Creek TN0801021100711_0600 Days Creek From Nonconnah Creek To Headwaters. Ecoregion 74b Shelby County Waterbody Map River 10.6 Miles Impaired  
Horn Lake Creek TN08010211001_1000 Horn Lake Creek From Mississippi Stateline To Horn Lake Cutoff. Ecoregion 73a Shelby County Waterbody Map River 10.3 Miles Impaired TMDL needed
Horn Lake Creek TN08010211001_2000 Horn Lake Creek From Horn Lake Cutoff To Mississippi Stateline. Ecoregion 73a & 74a Shelby County Waterbody Map River 5.2 Miles Impaired TMDL needed
Horn Lake Creek Misc Tribs TN08010211001_0999 Horn Lake Creek Misc Tribs (Tennessee Portion) Ecoregion 73a, 74a, & 74b Shelby County Waterbody Map River 13.1 Miles Not_Assessed  
Horn Lake Cutoff TN08010211001_0100 Horn Lake Cutoff From Horn Lake Creek To Headwaters. Ecoregion 73a & 74a Shelby County Waterbody Map River 16.4 Miles Impaired TMDL needed
Hurricane Creek TN0801021100711_0500 Hurricane Creek From Nonconnah Creek To Headwaters. Ecoregion 74b Shelby County Waterbody Map River 13.3 Miles Impaired  
Johns Creek TN08010211176_1000 Johns Creek From Nonconnah Creek To Headwaters. Ecoregion 74b Shelby County Waterbody Map River 13.7 Miles Impaired TMDL needed
Latham Bayou TN0801021100711_0100 Latham Bayou From Nonconnah Creek To Headwaters. Ecoregion 74b & 73a Shelby County Waterbody Map River 2.8 Miles Not_Assessed  
Misc Tribs To Nonconnah Creek TN0801021100711_0999 Misc Tribs To Nonconnah Creek Ecoregion 74b Shelby County Waterbody Map River 12.1 Miles Not_Assessed  
Misc Tribs To Nonconnah Creek TN0801021100720_0999 Misc Tribs To Nonconnah Creek From Johns Creek To Headwaters. Ecoregion 74b Shelby County Waterbody Map River 41.0 Miles Not_Assessed  
Nonconnah Creek TN0801021100711_1000 Nonconnah Creek From Mckellar Lake To Cane Creek. Ecoregion 73a & 74b Shelby County Waterbody Map River 3.2 Miles Impaired  
Nonconnah Creek TN0801021100711_2000 Nonconnah Creek From Cane Creek To Hurricane Creek. Ecoregion 74b Shelby County Waterbody Map River 4.9 Miles Impaired  
Nonconnah Creek TN0801021100711_3000 Nonconnah Creek From Hurricane Creek To Johns Creek. Ecoregion 74b Shelby County Waterbody Map River 4.1 Miles Impaired  
Nonconnah Creek TN0801021100720_1000 Nonconnah Creek From Johns Creek To Gaging Station At Winchester Road. Ecoregion 74b Shelby County Waterbody Map River 8.3 Miles Impaired  
Nonconnah Creek TN0801021100720_2000 Nonconnah Creek From Gaging Station At Winchester Road To Confluence Of Unnamed Trib (Near Bailey Road). Ecoregion 74b Shelby County Waterbody Map River 6.2 Miles Impaired  
Nonconnah Creek TN0801021100720_3000 Nonconnah Creek From Confluence Of Unnamed Trib Near Bailey Road To Headwaters Near Mississippi Stateline. Ecoregion 74b Shelby County Fayette County Waterbody Map River 6.5 Miles Impaired  
Tenmile Creek TN0801021100711_0400 Tenmile Creek From Nonconnah Creek To Headwaters. Ecoregion 74b Shelby County Waterbody Map River 13.3 Miles Impaired  
Unnamed Trib To Nonconnah Creek TN0801021100720_0100 Unnamed Trib To Nonconnah Creek From Nonconnah Creek To Headwaters. Northside Trib Just West Of Kirby Parkway. Ecoregion 74b Shelby County Waterbody Map River 3.9 Miles Impaired  
Unnamed Trib To Nonconnah Creek TN0801021100720_0200 Unnamed Trib To Nonconnah Creek From Nonconnah Creek To Headwaters. Northside Trib Near Germantown Road. Ecoregion 74b Shelby County Waterbody Map River 4.0 Miles Impaired  
Unnamed Trib To Nonconnah Creek TN0801021100720_0300 Unnamed Trib To Nonconnah Creek From Nonconnah Creek To Headwaters. South Of Collierville. Ecoregion 74b Shelby County Waterbody Map River 3.1 Miles Impaired  
Unnamed Trib To Nonconnah Creek TN0801021100720_0400 Unnamed Trib To Nonconnah Creek From Nonconnah Creek To Mississippi Stateline. (On The Topo, This Is Also Called Nonconnah Creek Going Into Mississippi.) Ecoregion 74b Shelby County Waterbody Map River 10.1 Miles Impaired  
Unnamed Trib To Nonconnah Creek TN0801021100720_0500 Unnamed Trib To Nonconnah Creek From Nonconnah Creek To Headwaters Near Mississippi Stateline. (Database Calls This Tributary 1.) Ecoregion 74b Shelby County Waterbody Map River 8.9 Miles Impaired  
Unnamed Trib To Unnamed Trib. To Noconnah Creek TN0801021100720_0410 Unnamed Trib To The Unnamed Trib Of Nonconnah Creek From The Mouth On Unnamed Trib To Mississippi Stateline. Ecoregion 74b Shelby County Waterbody Map River 2.5 Miles Impaired  
Unnamed Tribs. To Johns Creek TN08010211176_0100 Unnamed Tribs. To Johns Creek (East Of Railyard). Ecoregion 74b Shelby County Waterbody Map River 8.7 Miles Not_Assessed  

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Causes of Impairment for Reporting Year 2010

Tennessee, Horn Lake-Nonconnah

Description of this table
NOTE: Click on the underlined "Cause of Impairment" value to see a listing of those waters with that cause of impairment.
Cause of Impairment Size of Assessed Waters with Listed Causes of Impairment
Rivers and
Streams (Miles)
Chlordane 3.2
Physical Substrate Habitat Alterations 48.3
Polychlorinated Biphenyls (PCBs) 3.2
Arsenic 39.8
Phosphorus, Total 152.0
Dissolved Oxygen 98.6
Other Anthropogenic Substrate Alterations 41.5
Dioxin (Including 2,3,7,8-TCDD) 3.2
Escherichia Coli (E. Coli) 172.2
Sedimentation/Siltation 110.2

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Probable Sources Contributing to Impairments for Reporting Year 2010

Tennessee, Horn Lake-Nonconnah Watershed

Description of this table
Probable Source Size of Assessed Waters with Probable Sources of Impairments
Rivers and
Streams (Miles)
Channelization 85.9
Contaminated Sediments 3.2
Discharges From Municipal Separate Storm Sewer Systems (Ms4) 160.9
Grazing In Riparian Or Shoreline Zones 2.5
Industrial/Commercial Site Stormwater Discharge (Permitted) 13.3
Non-Irrigated Crop Production 6.5
Sanitary Sewer Overflows (Collection System Failures) 20.9
Site Clearance (Land Development Or Redevelopment) 11.4
Sources Outside State Jurisdiction Or Borders 17.8
Specialty Crop Production 3.1

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TMDL Alternatives by Cause of Impairment for Reporting Year 2010


Tennessee, Horn Lake-Nonconnah Watershed


No TMDL Alternatives reported.

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Cumulative TMDLs by Pollutant

Tennessee, Horn Lake-Nonconnah Watershed

This chart includes TMDLs since October 1, 1995.

Description of this table
NOTE: Click on the underlined "Number of TMDLs Completed" value to see a listing of those approved TMDLs for the pollutant.
Pollutant Number of TMDLs Completed Number of Causes of
Impairment Addressed
Escherichia Coli (E. Coli) color.gif 22 22
Fecal Coliform color.gif 5 5
PCB(s) in Fish Tissue color.gif 2 2
Chlordane in Fish Tissue color.gif 1 1
Dioxin in Fish Tissue color.gif 1 2

Total: 31 TMDLs; 0 Causes of Impairment



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