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
CHATHAM STPChatham0.03 MGD (million gallons per day)2022
COPPER CITY STPCopper City0.03 MGD (million gallons per day)2022
PRESCOTT VILLAGEPrescott0.03 MGD (million gallons per day)2022
MEADOWLANDS WWTPMeadowlands0.03 MGD (million gallons per day)2022
WATSON WWTPWatson0.03 MGD (million gallons per day)2022
NEWFOLDEN WWTPNewfolden0.03 MGD (million gallons per day)2022
MARIETTA WWTPMarietta0.03 MGD (million gallons per day)2022
BEARDSLEY WWTPBeardsley0.03 MGD (million gallons per day)2022
HOLLOWAY STPHolloway0.03 MGD (million gallons per day)2022
WALDORF WWTPWaldorf0.03 MGD (million gallons per day)2022
GOODRIDGE WWTPGoodridge0.03 MGD (million gallons per day)2022
BELLINGHAM WWTFBellingham0.03 MGD (million gallons per day)2022
CLEMENTS WWTPClements0.03 MGD (million gallons per day)2022
ZUMBRO FALLS WWTPZumbro Falls0.03 MGD (million gallons per day)2022
BOWLUS WWTPBowlus0.03 MGD (million gallons per day)2022
WINGER WWTPWinger0.03 MGD (million gallons per day)2022
MINNESOTA CITY WWTPMinnesota City0.03 MGD (million gallons per day)2022
GRYGLA WWTPGrygla0.03 MGD (million gallons per day)2022
JCPSD Miller Crossing WWTPHouse Springs0.03 MGD (million gallons per day)2022
Excelsior Estates WWTFLawson0.03 MGD (million gallons per day)2022
Miller County Justice Center WWTFTuscumbia0.03 MGD (million gallons per day)2022
BCRSD Brookfield Estates WWTPColumbia0.03 MGD (million gallons per day)2022
Columbia Regional Airport WWTFColumbia0.03 MGD (million gallons per day)2022
CGCRCSD Tamarac Estates WWTPJackson0.03 MGD (million gallons per day)2022
CGCRCSD Twin Oaks WWTPJackson0.03 MGD (million gallons per day)2022
CGCRCSD Midwest Energy WWTFJackson0.03 MGD (million gallons per day)2022
Sylvan Manor-Sunset Acres WWTPPacific0.03 MGD (million gallons per day)2022
Huntsville NE LagoonHuntsville0.03 MGD (million gallons per day)2022
Blackburn WWTPBlackburn0.03 MGD (million gallons per day)2022
Berger WWTPBerger0.03 MGD (million gallons per day)2022
Graham WWTPGraham0.03 MGD (million gallons per day)2022
Hughesville WWTPHughesville0.03 MGD (million gallons per day)2022
La Monte N. West WWTPLa Monte0.03 MGD (million gallons per day)2022
FCPWSD #3, Eastland OaksWashington0.03 MGD (million gallons per day)2022
Amoret WWTPAmoret0.03 MGD (million gallons per day)2022
Fountain 'N' Lakes WWTPMoscow Mills0.03 MGD (million gallons per day)2022
Cowgill WWTPCowgill0.03 MGD (million gallons per day)2022
Halfway WWTPHalf Way0.03 MGD (million gallons per day)2022
Blackwater WWTPBlackwater0.03 MGD (million gallons per day)2022
Denton, Town ofDenton0.03 MGD (million gallons per day)2022
GERALDINE, TOWN OF - WWTPGeraldine0.03 MGD (million gallons per day)2022
BELFRY LAGOONBelfry0.03 MGD (million gallons per day)2022
HYSHAM WWTPHysham0.03 MGD (million gallons per day)2022
BRADY WUA - WWTPBrady0.03 MGD (million gallons per day)2022
MOORE WWTPMoore0.03 MGD (million gallons per day)2022
SAVAGE WWTPSavage0.03 MGD (million gallons per day)2022
HINSDALE WWTPHinsdale0.03 MGD (million gallons per day)2022
WILLOW CREEK SEWER DIST.Willow Creek0.03 MGD (million gallons per day)2022
LYNCH WWTPLynch0.03 MGD (million gallons per day)2022
ARCADIA, WWTPArcadia0.03 MGD (million gallons per day)2022
JOHNSON WWTPJohnson0.03 MGD (million gallons per day)2022
BARTLEY WWTPBartley0.03 MGD (million gallons per day)2022
CLATONIA WWTPClatonia0.03 MGD (million gallons per day)2022
PICKRELL WWTPPickrell0.03 MGD (million gallons per day)2022
SPRINGVIEW WWTPSpringview0.03 MGD (million gallons per day)2022
BENEDICT WWTPBenedict0.03 MGD (million gallons per day)2022
BRADSHAW WWTPBradshaw0.03 MGD (million gallons per day)2022
BRAINARD WWTPBrainard0.03 MGD (million gallons per day)2022
BRUNSWICK, WWTPBrunswick0.03 MGD (million gallons per day)2022
CHAPMAN, WWTPChapman0.03 MGD (million gallons per day)2022
CRAIG WWTPCraig0.03 MGD (million gallons per day)2022
DALTON WWTPDalton0.03 MGD (million gallons per day)2022
DANNEBROG WWTPDannebrog0.03 MGD (million gallons per day)2022
DIX WWTPDix0.03 MGD (million gallons per day)2022
MADRID WWTPMadrid0.03 MGD (million gallons per day)2022
UEHLING WWTPUehling0.03 MGD (million gallons per day)2022
GLENVIL WWTPGlenvil0.03 MGD (million gallons per day)2022
GUIDE ROCK WWTPGuide Rock0.03 MGD (million gallons per day)2022
HADAR WWTPHadar0.03 MGD (million gallons per day)2022
HALLAM WWTPHallam0.03 MGD (million gallons per day)2022
ASHTON WWTPAshton0.03 MGD (million gallons per day)2022
LITCHFIELD WWTPLitchfield0.03 MGD (million gallons per day)2022
HOSKINS WWTPHoskins0.03 MGD (million gallons per day)2022
JACKSON WWTPJackson0.03 MGD (million gallons per day)2022
LEWELLEN WWTPLewellen0.03 MGD (million gallons per day)2022
LONG PINE WWTPLong Pine0.03 MGD (million gallons per day)2022
UNADILLA WWTPUnadilla0.03 MGD (million gallons per day)2022
TALMAGE WWTPTalmage0.03 MGD (million gallons per day)2022
MCCOOL JUNCTION WWTPMc Cool Junction0.03 MGD (million gallons per day)2022
MAYWOOD WWTPMaywood0.03 MGD (million gallons per day)2022
PHILLIPS WWTPPhillips0.03 MGD (million gallons per day)2022
PLEASANT DALE WWTPPleasant Dale0.03 MGD (million gallons per day)2022
HOLSTEIN WWTPHolstein0.03 MGD (million gallons per day)2022
RISING CITY WWTPRising City0.03 MGD (million gallons per day)2022
ROSELAND WWTPRoseland0.03 MGD (million gallons per day)2022
SCOTIA WWTPScotia0.03 MGD (million gallons per day)2022
STAPLETON WWTPStapleton0.03 MGD (million gallons per day)2022
SUMNER WWTPSumner0.03 MGD (million gallons per day)2022
THEDFORD WWTPThedford0.03 MGD (million gallons per day)2022
WACO WWTPWaco0.03 MGD (million gallons per day)2022
WESTERN WWTPWestern0.03 MGD (million gallons per day)2022
PARADISE VALLEY SEWER DISTRICParadise Valley0.03 MGD (million gallons per day)2022
Glencliff WWTFWarren0.03 MGD (million gallons per day)2022
QUEMADO LAGOONQuemado0.03 MGD (million gallons per day)2022
MAXWELL LAGOONMaxwell0.03 MGD (million gallons per day)2022
THOREAU LAGOONSThoreau0.03 MGD (million gallons per day)2022
BLUEWATER LAGOONBluewater0.03 MGD (million gallons per day)2022
ACOMA PUEBLO LAGOONCubero0.03 MGD (million gallons per day)2022
Elma (T) CSD Consolidated WWTPElma0.03 MGD (million gallons per day)2022
Wawayanda (T) Ridgebury Lake WWTPSlate Hill0.03 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.