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World wastewater treatment plant observatory · data as reported by each inventory

Wastewater treatment plants in United States · Tennessee

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251 inventory records · EPA Clean Watersheds Needs Survey 2022

Data years: 2022. The inventory date does not establish current operation.

251 results

CompareNameNative sizeYear
Chattanooga Moccasin Bend WWTPChattanooga140 MGD (million gallons per day)2022
Memphis N. Maynard C. Stiles STPMemphis135 MGD (million gallons per day)2022
Nashville - Central WWTPNashville100 MGD (million gallons per day)2022
Memphis S. T. E. MAXSON WWTPMemphis90 MGD (million gallons per day)2022
KUWAHEE WWTPKnoxville44 MGD (million gallons per day)2022
Nashville - White's Creek WWTPNashville37.5 MGD (million gallons per day)2022
CLARKSVILLE WWTPClarksville25 MGD (million gallons per day)2022
Nashville - Dry Creek WWTPNashville24 MGD (million gallons per day)2022
CLEVELAND UTILITIES STPCleveland21.6 MGD (million gallons per day)2022
Murfreesboro - Sinking Creek STPMurfreesboro20 MGD (million gallons per day)2022
Miller Avenue WWTPJackson17.4 MGD (million gallons per day)2022
FRANKLIN STPFranklin16 MGD (million gallons per day)2022
Johnson City Brush Creek WWTPJohnson City16 MGD (million gallons per day)2022
BRISTOL WWTP #2Bluff City15 MGD (million gallons per day)2022
Turkey Creek STPKnoxville15 MGD (million gallons per day)2022
COOKEVILLE STPCookeville14 MGD (million gallons per day)2022
LOUDON STPLoudon14 MGD (million gallons per day)2022
MARYVILLE REGIONAL STPMaryville14 MGD (million gallons per day)2022
KINGSPORT STPKingsport12.4 MGD (million gallons per day)2022
GALLATIN STPGallatin12 MGD (million gallons per day)2022
Fourth Creek WWTPKnoxville10.8 MGD (million gallons per day)2022
LOVES CREEK STPKnoxville10.3 MGD (million gallons per day)2022
COLUMBIA WWTPColumbia10 MGD (million gallons per day)2022
Melton Hill STPKnoxville10 MGD (million gallons per day)2022
Lebanon WWTPLebanon10 MGD (million gallons per day)2022
Oak Ridge STPOak Ridge10 MGD (million gallons per day)2022
Harpeth Valley UD STPNashville10 MGD (million gallons per day)2022
Hallsdale-Powell Beaver Creek STPKnoxville9.7 MGD (million gallons per day)2022
DYERSBURG WWTPDyersburg9.45 MGD (million gallons per day)2022
Middlefork STPJackson8 MGD (million gallons per day)2022
MORRISTOWN WWTPMorristown7.5 MGD (million gallons per day)2022
GREENEVILLE STPGreeneville7 MGD (million gallons per day)2022
SHELBYVILLE STPShelbyville6.5 MGD (million gallons per day)2022
OOSTANAULA WWTPAthens6 MGD (million gallons per day)2022
Collierville Northwest STPCollierville6 MGD (million gallons per day)2022
Johnson City Regional STPJohnson City6 MGD (million gallons per day)2022
PIGEON FORGE STPPigeon Forge6 MGD (million gallons per day)2022
SMYRNA STPSmyrna5.85 MGD (million gallons per day)2022
Millington STP #2Millington5.8 MGD (million gallons per day)2022
HUMBOLDT STPHumboldt5 MGD (million gallons per day)2022
Spring Hill STPSpring Hill5 MGD (million gallons per day)2022
TULLAHOMA WWTPTullahoma5 MGD (million gallons per day)2022
Union City AC Strub WWTPUnion City5 MGD (million gallons per day)2022
Sevierville McCosky Is. STPSevierville4.8 MGD (million gallons per day)2022
Lakeland STPArlington4.5 MGD (million gallons per day)2022
LAWRENCEBURG WWTPLawrenceburg4.5 MGD (million gallons per day)2022
Newport WWTPNewport4.35 MGD (million gallons per day)2022
MANCHESTER WWTPManchester4.3 MGD (million gallons per day)2022
JONES CREEK STPDickson4 MGD (million gallons per day)2022
KNOB CREEK STPJohnson City4 MGD (million gallons per day)2022
MCMINNVILLE WWTPMc Minnville4 MGD (million gallons per day)2022
Pulaski STPPulaski4 MGD (million gallons per day)2022
Covington STPCovington3.62 MGD (million gallons per day)2022
COLLIERVILLE STPCollierville3.5 MGD (million gallons per day)2022
CROSSVILLE STPCrossville3.5 MGD (million gallons per day)2022
Elizabethton WWTPElizabethton3.5 MGD (million gallons per day)2022
SPRINGFIELD STPSpringfield3.4 MGD (million gallons per day)2022
Fayetteville WWTPFayetteville3.35 MGD (million gallons per day)2022
LEXINGTON E LAGOONLexington3.2 MGD (million gallons per day)2022
WINCHESTER STPWinchester3.2 MGD (million gallons per day)2022
Ripley STPRipley3.1 MGD (million gallons per day)2022
LEWISBURG STPLewisburg3.024 MGD (million gallons per day)2022
CLINTON STP #1Clinton3 MGD (million gallons per day)2022
Gatlinburg WWTPGatlinburg3 MGD (million gallons per day)2022
LENOIR CITY WWTPLenoir City3 MGD (million gallons per day)2022
PARIS WWTPParis2.95 MGD (million gallons per day)2022
BELLS LAGOONBells2.75 MGD (million gallons per day)2022
DAYTON STPDayton2.6 MGD (million gallons per day)2022
MILAN STPMilan2.55 MGD (million gallons per day)2022
ARLINGTON WWTPArlington2.5 MGD (million gallons per day)2022
CHURCH HILL STPChurch Hill2.5 MGD (million gallons per day)2022
DECHERD STPFranklin2.5 MGD (million gallons per day)2022
MARTIN STPMartin2.5 MGD (million gallons per day)2022
BROWNSVILLE LAGOONBrownsville2.28 MGD (million gallons per day)2022
Bartlett STP #1Brunswick2.2 MGD (million gallons per day)2022
NEWBERN STPNewbern2.2 MGD (million gallons per day)2022
ROSSVILLE STPRossville2.2 MGD (million gallons per day)2022
SMITHVILLE STPSmithville2.16 MGD (million gallons per day)2022
Hohenwald WWTPHohenwald2.14 MGD (million gallons per day)2022
BROWNSVILLE STPBrownsville2.03 MGD (million gallons per day)2022
MCKENZIE STPMc Kenzie2 MGD (million gallons per day)2022
MUNFORD LAGOONMunford2 MGD (million gallons per day)2022
T.A.S.S. Niles Ferry WWTFVonore2 MGD (million gallons per day)2022
WAVERLY WWTPWaverly2 MGD (million gallons per day)2022
White House WWTPWhite House2 MGD (million gallons per day)2022
KINGSTON STPKingston2 MGD (million gallons per day)2022
ERWIN STPErwin1.9 MGD (million gallons per day)2022
PORTLAND STPPortland1.9 MGD (million gallons per day)2022
Savannah STPSavannah1.88 MGD (million gallons per day)2022
LaFollette STPLa Follette1.87 MGD (million gallons per day)2022
SELMER WWTPSelmer1.8 MGD (million gallons per day)2022
ROCKWOOD WWTPRockwood1.65 MGD (million gallons per day)2022
LIVINGSTON STPLivingston1.62 MGD (million gallons per day)2022
SPARTA STPSparta1.6 MGD (million gallons per day)2022
TRENTON WWTPTrenton1.6 MGD (million gallons per day)2022
HARRIMAN WWTPHarriman1.5 MGD (million gallons per day)2022
LAFAYETTE STPLafayette1.5 MGD (million gallons per day)2022
SOUTH PITTSBURG STPSouth Pittsburg1.5 MGD (million gallons per day)2022
SWEETWATER STPSweetwater1.5 MGD (million gallons per day)2022
Bolivar STPBolivar1.4 MGD (million gallons per day)2022

Regulatory context

General reference. This is not an exhaustive review of applicable law.

United States: Clean Water Act / NPDES

NPDES regulates pollutant discharges from point sources to waters of the United States. The permit sets limits and monitoring conditions. A CWNS code identifies an inventory record, not an NPDES permit.

  • Permit identifier and permitting authority: EPA or an authorized state.
  • Outfall and receiving water; sewer connections follow a different control route.
  • Current permit conditions, limits and dated measurements; these are not included in CWNS.

References reviewed: 2026-11-06. Individual applicability: undetermined. This profile does not establish authorization or compliance.