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

Wastewater treatment plants in the United States

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17,009 inventory records · EPA Clean Watersheds Needs Survey 2022

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

States

17,009 results

CompareNameNative sizeYear
LAKE PROVIDENCE S. PONDLake Providence0.5 MGD (million gallons per day)2022
BASILE STPBasile0.5 MGD (million gallons per day)2022
MAMOU STPMamou0.5 MGD (million gallons per day)2022
BOOTHVILLE-VENICE STPBoothville0.5 MGD (million gallons per day)2022
NEW ROADS LAGOONNew Roads0.5 MGD (million gallons per day)2022
BUCKSPORT WWTPBucksport0.5 MGD (million gallons per day)2022
UNITY WWTFUnity0.5 MGD (million gallons per day)2022
RISING SUN STPRising Sun0.5 MGD (million gallons per day)2022
INDIAN HEAD WWTPIndian Head0.5 MGD (million gallons per day)2022
Hatfield Sewerage Collection System and WPCFHatfield0.5 MGD (million gallons per day)2022
Sunderland Sewerage Collection System and WWTFSunderland0.5 MGD (million gallons per day)2022
Manchester-By-The-Sea Sewerage Collection System and WWTFManchester0.5 MGD (million gallons per day)2022
Rochdale Sewerage Collection System and WPCF (Leicester)Oxford0.5 MGD (million gallons per day)2022
DURAND WWTFDurand0.5 MGD (million gallons per day)2022
CARO STPCaro0.5 MGD (million gallons per day)2022
VASSAR STPVassar0.5 MGD (million gallons per day)2022
PINCONNING STPPinconning0.5 MGD (million gallons per day)2022
HUDSON STPHudson0.5 MGD (million gallons per day)2022
EVART STPEvart0.5 MGD (million gallons per day)2022
BRONSON WWTFBronson0.5 MGD (million gallons per day)2022
NORWAY WASTEWATER PLANTNorway0.5 MGD (million gallons per day)2022
PORTLAND WWTPPortland0.5 MGD (million gallons per day)2022
GWINN SEWAGE LAGOONGwinn0.5 MGD (million gallons per day)2022
BABBITT WWTPBabbitt0.5 MGD (million gallons per day)2022
GILBERT WWTPGilbert0.5 MGD (million gallons per day)2022
BRECKENRIDGE WWTPBreckenridge0.5 MGD (million gallons per day)2022
GLENWOOD WWTPGlenwood0.5 MGD (million gallons per day)2022
River Hills WWTFSaucier0.5 MGD (million gallons per day)2022
UNION POTWUnion0.5 MGD (million gallons per day)2022
Holts Summit WWTPHolts Summit0.5 MGD (million gallons per day)2022
Thayer WWTPThayer0.5 MGD (million gallons per day)2022
Wright City South WWTPWright City0.5 MGD (million gallons per day)2022
Buckner WWTPBuckner0.5 MGD (million gallons per day)2022
Palmyra WWTPPalmyra0.5 MGD (million gallons per day)2022
Knob Noster WWTPKnob Noster0.5 MGD (million gallons per day)2022
JCPSD Lower Big River WWTPHouse Springs0.5 MGD (million gallons per day)2022
Mountain View WWTPMountain View0.5 MGD (million gallons per day)2022
Montgomery City East WWTPMontgomery City0.5 MGD (million gallons per day)2022
Bethany WWTPBethany0.5 MGD (million gallons per day)2022
Marionville WWTPMarionville0.5 MGD (million gallons per day)2022
FORSYTH WWTPForsyth0.5 MGD (million gallons per day)2022
POLSON WWTPPolson0.5 MGD (million gallons per day)2022
CUT BANK LAGOONCut Bank0.5 MGD (million gallons per day)2022
BIGFORK COUNTY WATER & SEWER DIS.Bigfork0.5 MGD (million gallons per day)2022
WAHOO WWTPWahoo0.5 MGD (million gallons per day)2022
FAIRBURY WWTPFairbury0.5 MGD (million gallons per day)2022
GOTHENBURG WWTPGothenburg0.5 MGD (million gallons per day)2022
Epping WWTFEpping0.5 MGD (million gallons per day)2022
Mount Olive Township - Clover Hill STP/CSFlanders0.5 MGD (million gallons per day)2022
Washington Township (Morris) MUA - CS/STPWashington0.5 MGD (million gallons per day)2022
Bernardsville Borough - CS/STPBernardsville0.5 MGD (million gallons per day)2022
Woodstown Borough - CS/STPWoodstown0.5 MGD (million gallons per day)2022
Warren County (Pequest River) MUA - CS/STPBelvidere0.5 MGD (million gallons per day)2022
Oxford Township (Oxford WWTF) - CS/STPOxford0.5 MGD (million gallons per day)2022
TULAROSA WWTPTularosa0.5 MGD (million gallons per day)2022
Clayton, Town ofClayton0.5 MGD (million gallons per day)2022
Bedford (T) Bedford Hills WWTPBedford Hills0.5 MGD (million gallons per day)2022
East Fishkill (T) Hopewell Hamlet WWTP Upgrades & Collection SystemHopewell Junction0.5 MGD (million gallons per day)2022
Ocean Beach (V) STPOcean Beach0.5 MGD (million gallons per day)2022
NYSDOC - Green Haven Corr.Fac.STPStormville0.5 MGD (million gallons per day)2022
La Grange (T) Titusville SD STPPoughkeepsie0.5 MGD (million gallons per day)2022
Cold Spring (V) WWTPCold Spring0.5 MGD (million gallons per day)2022
Shandaken (T) Pine Hill STP(NYCDEP)Shandaken0.5 MGD (million gallons per day)2022
Thompson (T) Sackett Lake SD & WWTPMonticello0.5 MGD (million gallons per day)2022
NYSDOC, Bedford Hills CFBedford Hills0.5 MGD (million gallons per day)2022
North Castle (T) SD / STPArmonk0.5 MGD (million gallons per day)2022
Roxbury (T) Grand Gorge STP (NYC)Grand Gorge0.5 MGD (million gallons per day)2022
Peru (T) SD#1 WWTPPeru0.5 MGD (million gallons per day)2022
Cape Vincent (V) STPCape Vincent0.5 MGD (million gallons per day)2022
Kirkland (T) Clark Mills STPClinton0.5 MGD (million gallons per day)2022
Oakfield (V) WWTPOakfield0.5 MGD (million gallons per day)2022
Clifton Springs (V) WWTP, Sanitary SewersClifton Springs0.5 MGD (million gallons per day)2022
Victor (V) WWTP & Collection SystemVictor0.5 MGD (million gallons per day)2022
Ontario (Co) Honeoye Lake SD WWTPHoneoye0.5 MGD (million gallons per day)2022
Painted Post (V) WWTP & Collection SystemPainted Post0.5 MGD (million gallons per day)2022
Wayne (Co) WSA Red Creek Reg. WWTPRed Creek0.5 MGD (million gallons per day)2022
Arcade (V) Collection System & WWTPArcade0.5 MGD (million gallons per day)2022
Hanover (T) WWTPIrving0.5 MGD (million gallons per day)2022
West Stanly WWTP and Collection SystemOakboro0.5 MGD (million gallons per day)2022
WEST JEFFERSON WWTPWest Jefferson0.5 MGD (million gallons per day)2022
BELHAVEN WWTPBelhaven0.5 MGD (million gallons per day)2022
Bladenboro WWTPBladenboro0.5 MGD (million gallons per day)2022
SOUTHEAST BRUNSWICK S.D. WWTPSouthport0.5 MGD (million gallons per day)2022
NEWPORT WWTPNewport0.5 MGD (million gallons per day)2022
STANLEY WWTPStanley0.5 MGD (million gallons per day)2022
SNOW HILL WWTPSnow Hill0.5 MGD (million gallons per day)2022
TUCKASEIGEE WWTP 2 (SYLVA)Sylva0.5 MGD (million gallons per day)2022
Bay River M.S.D. WWTPBayboro0.5 MGD (million gallons per day)2022
SAINT PAULS WWTPSaint Pauls0.5 MGD (million gallons per day)2022
Walnut Cove WWTPWalnut Cove0.5 MGD (million gallons per day)2022
Andover WWTP & SewersAndover0.5 MGD (million gallons per day)2022
Sugarcreek WWTP & SewersSugarcreek0.5 MGD (million gallons per day)2022
Tuscarawas Co Sandyville-East Sparta WWTP & SewerBolivar0.5 MGD (million gallons per day)2022
Fayette Co Rattlesnake SD #1 WWTPJefferson0.5 MGD (million gallons per day)2022
Botkins WWTP & Sewer SystemBotkins0.5 MGD (million gallons per day)2022
West Liberty WWTP & Sewer SystemWest Liberty0.5 MGD (million gallons per day)2022
Cardington WWTP & Sewer SystemCardington0.5 MGD (million gallons per day)2022
Butler Co Wade Mill WRFRoss0.5 MGD (million gallons per day)2022
Doylestown WWTP & Sewer SystemDoylestown0.5 MGD (million gallons per day)2022
Elida WWTP & Sewer SystemLima0.5 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.