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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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All countries

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
WHITING WWTPWhiting0.023 MGD (million gallons per day)2022
TIPTON WWTPTipton0.023 MGD (million gallons per day)2022
ALBERTA WWTPAlberta0.023 MGD (million gallons per day)2022
PALISADE WWTPPalisade0.023 MGD (million gallons per day)2022
DANVERS WWTPDanvers0.023 MGD (million gallons per day)2022
GHENT WWTPGhent0.023 MGD (million gallons per day)2022
KILKENNY WWTFKilkenny0.023 MGD (million gallons per day)2022
Cedar Hill Lakes WWTPCedar Hill0.023 MGD (million gallons per day)2022
Hurdland WWTPHurdland0.023 MGD (million gallons per day)2022
Pocahontas WWTFPocahontas0.023 MGD (million gallons per day)2022
Hume WWTPHume0.023 MGD (million gallons per day)2022
Jameson WWTFJameson0.023 MGD (million gallons per day)2022
Centerville WWTFCenterville0.023 MGD (million gallons per day)2022
Freistatt WWTPFreistatt0.023 MGD (million gallons per day)2022
AMHERST WWTPAmherst0.023 MGD (million gallons per day)2022
Rensselaerville (T) WWTPRensselaerville0.023 MGD (million gallons per day)2022
Hocking Co Haydenville WWTPLogan0.023 MGD (million gallons per day)2022
ALDER LAKE PARK STPEatonville0.023 MGD (million gallons per day)2022
Holiday Park WWTPSalt Rock0.023 MGD (million gallons per day)2022
MAIDEN ROCK STPMaiden Rock0.023 MGD (million gallons per day)2022
TONY STPTony0.023 MGD (million gallons per day)2022
Jefferson County Housing Authority-Brookside VillageBrookside0.022 MGD (million gallons per day)2022
Sedalia WSDSedalia0.022 MGD (million gallons per day)2022
Elk Bend Sewer SystemLewisville0.022 MGD (million gallons per day)2022
FERDINAND S/T FACILITYFerdinand0.022 MGD (million gallons per day)2022
Pedigo BayBloomington0.022 MGD (million gallons per day)2022
UNIONDALE WWTPUniondale0.022 MGD (million gallons per day)2022
BLOCKTON WWTPBlockton0.022 MGD (million gallons per day)2022
DICKENS WWTPDickens0.022 MGD (million gallons per day)2022
OLLIE WWTPOllie0.022 MGD (million gallons per day)2022
STOUT WWTPStout0.022 MGD (million gallons per day)2022
BARNES WWTPBarnes0.022 MGD (million gallons per day)2022
MORGANVILLE WWTPMorganville0.022 MGD (million gallons per day)2022
SUMMERFIELD WWTPSummerfield0.022 MGD (million gallons per day)2022
WL CO S D #1 TULAKES WWTPChanute0.022 MGD (million gallons per day)2022
RAMONA WWTPRamona0.022 MGD (million gallons per day)2022
BOGUE WWTPBogue0.022 MGD (million gallons per day)2022
ENSIGN WWTPEnsign0.022 MGD (million gallons per day)2022
ISLESBORO TREATMENT FACILITYIslesboro0.022 MGD (million gallons per day)2022
Garvin WWTPGarvin0.022 MGD (million gallons per day)2022
FELTON WWTPFelton0.022 MGD (million gallons per day)2022
South HavenSouth Haven0.022 MGD (million gallons per day)2022
Sanitary Sewer District #102 WWTPLees Summit0.022 MGD (million gallons per day)2022
Southwest Business ParkWinfield0.022 MGD (million gallons per day)2022
Foristell WWTPForistell0.022 MGD (million gallons per day)2022
Arrow Rock WWTPNelson0.022 MGD (million gallons per day)2022
Cobblestone WWTPWashington0.022 MGD (million gallons per day)2022
GRAFTON WWTPGrafton0.022 MGD (million gallons per day)2022
Crogan (T) WWTPCroghan0.022 MGD (million gallons per day)2022
BATH WWTPBath0.022 MGD (million gallons per day)2022
Riverdale WastewaterRiverdale0.022 MGD (million gallons per day)2022
Holmes Co Mount Hope WWTP & SewersMount Hope0.022 MGD (million gallons per day)2022
Washington Co Deerfield Estates WWTP and SewersMarietta0.022 MGD (million gallons per day)2022
Jenera WWTP and Sewer SystemJenera0.022 MGD (million gallons per day)2022
Catawba WWTP & Sewer SystemCatawba0.022 MGD (million gallons per day)2022
Knox County Mount Liberty WWTPMount Liberty0.022 MGD (million gallons per day)2022
Lake Co Rio Grande WWTPPainesville0.022 MGD (million gallons per day)2022
Auglaize Co Beverly Hills WWTPWapakoneta0.022 MGD (million gallons per day)2022
Bromide WWTBromide0.022 MGD (million gallons per day)2022
Bison Wastewater CollectionBison0.022 MGD (million gallons per day)2022
Pyote WWTPPyote0.022 MGD (million gallons per day)2022
Port of Houston Authority WWTPHouston0.022 MGD (million gallons per day)2022
HAWKINS WWTPHawkins0.022 MGD (million gallons per day)2022
Beedeville WWTPBeedeville0.021 MGD (million gallons per day)2022
Hoodoo Harvard Wastewater SystemHarvard0.021 MGD (million gallons per day)2022
NORTH TOMER BUTTE LAGOONMoscow0.021 MGD (million gallons per day)2022
BARNES CITY STLBarnes City0.021 MGD (million gallons per day)2022
EXLINE WWTPExline0.021 MGD (million gallons per day)2022
HENDERSON STLHenderson0.021 MGD (million gallons per day)2022
NEW LIBERTY STPNew Liberty0.021 MGD (million gallons per day)2022
NODAWAY WWTPNodaway0.021 MGD (million gallons per day)2022
WATERVILLE WASTEWATERWaterville0.021 MGD (million gallons per day)2022
WELDON WWTPWeldon0.021 MGD (million gallons per day)2022
WESTGATE WWTPWestgate0.021 MGD (million gallons per day)2022
SAINT LUCAS WWTPSaint Lucas0.021 MGD (million gallons per day)2022
HARVEY STPHarvey0.021 MGD (million gallons per day)2022
ORAN SAN. DISTRICT STPOran0.021 MGD (million gallons per day)2022
PECK Imp Dist WWTPPeck0.021 MGD (million gallons per day)2022
VERMILLION WWTPVermillion0.021 MGD (million gallons per day)2022
GENESEO WWTPGeneseo0.021 MGD (million gallons per day)2022
AURORA WWTPAurora0.021 MGD (million gallons per day)2022
PARK WWTPPark0.021 MGD (million gallons per day)2022
WOODBINE WWTPWoodbine0.021 MGD (million gallons per day)2022
BARNARD WWTPBarnard0.021 MGD (million gallons per day)2022
WRIGHT I D WWTPDodge City0.021 MGD (million gallons per day)2022
Mt. Carmel Woods WWTPLa Plata0.021 MGD (million gallons per day)2022
Sandy Hook WWTPKnoxville0.021 MGD (million gallons per day)2022
TAUNTON WWTPTaunton0.021 MGD (million gallons per day)2022
EFFIE WWTFEffie0.021 MGD (million gallons per day)2022
Sanitary Sewer District 103 WWTFGreenwood0.021 MGD (million gallons per day)2022
Allenville WWTPChaffee0.021 MGD (million gallons per day)2022
Glen Allen WWTPGlenallen0.021 MGD (million gallons per day)2022
Bennet Spring State ParkLebanon0.021 MGD (million gallons per day)2022
GARLAND WWTPGarland0.021 MGD (million gallons per day)2022
Knox Co Amity WWTPMount Vernon0.021 MGD (million gallons per day)2022
CADDO CO #1 (LOOKEBA)Lookeba0.021 MGD (million gallons per day)2022
Bernard Timbers WWTPEast Bernard0.021 MGD (million gallons per day)2022
BCPSSD - KIMBERLY HGTS WWTPFalling Waters0.021 MGD (million gallons per day)2022
KINGSTON WWTPKingston0.021 MGD (million gallons per day)2022
Wilcox County-Meadowbrook HCR LagoonCamden0.02 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.