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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
CRAWFORD POTWCrawford0.06 MGD (million gallons per day)2022
JCPWSD #3 WWTPWarrensburg0.06 MGD (million gallons per day)2022
CGCRCSD Saddlebrooke Ridge WWTFJackson0.06 MGD (million gallons per day)2022
DCSD Augusta Shores WWTPAugusta0.06 MGD (million gallons per day)2022
Pilot Grove East WWTPPilot Grove0.06 MGD (million gallons per day)2022
Arbyrd WWTPArbyrd0.06 MGD (million gallons per day)2022
Ewing WWTPEwing0.06 MGD (million gallons per day)2022
Augusta WWTPAugusta0.06 MGD (million gallons per day)2022
Russellville WWTPRussellville0.06 MGD (million gallons per day)2022
Chilhowee WWTPChilhowee0.06 MGD (million gallons per day)2022
Gordonville WWTPGordonville0.06 MGD (million gallons per day)2022
Bellflower WWTPBellflower0.06 MGD (million gallons per day)2022
Downing WWTPDowning0.06 MGD (million gallons per day)2022
Butterfield WWTFButterfield0.06 MGD (million gallons per day)2022
Ridgeway WWTPRidgeway0.06 MGD (million gallons per day)2022
Urich WWTPUrich0.06 MGD (million gallons per day)2022
Linneus WWTPLinneus0.06 MGD (million gallons per day)2022
Polo WWTPPolo0.06 MGD (million gallons per day)2022
FROMBERG - TOWN OFFromberg0.06 MGD (million gallons per day)2022
JOLIET WWTPJoliet0.06 MGD (million gallons per day)2022
CHARLO - LAKE COUNTY SEWER DIST.Charlo0.06 MGD (million gallons per day)2022
ST. REGIS WWTPSaint Regis0.06 MGD (million gallons per day)2022
SPENCER WWTPSpencer0.06 MGD (million gallons per day)2022
BEEMER WWTPBeemer0.06 MGD (million gallons per day)2022
BIG SPRINGS WWTPBig Springs0.06 MGD (million gallons per day)2022
DORCHESTER WWTPDorchester0.06 MGD (million gallons per day)2022
EDGAR WWTPEdgar0.06 MGD (million gallons per day)2022
FIRTH WWTPFirth0.06 MGD (million gallons per day)2022
CAIRO WWTPCairo0.06 MGD (million gallons per day)2022
GREELEY WWTPGreeley0.06 MGD (million gallons per day)2022
PALMYRA WWTPPalmyra0.06 MGD (million gallons per day)2022
MALCOLM WWTPMalcolm0.06 MGD (million gallons per day)2022
MURRAY WWTPMurray0.06 MGD (million gallons per day)2022
GREENWOOD WWTPGreenwood0.06 MGD (million gallons per day)2022
NELSON WWTPNelson0.06 MGD (million gallons per day)2022
ORCHARD WWTPOrchard0.06 MGD (million gallons per day)2022
EWING WWTPEwing0.06 MGD (million gallons per day)2022
SPALDING WWTPSpalding0.06 MGD (million gallons per day)2022
ANSLEY WWTPAnsley0.06 MGD (million gallons per day)2022
RIVERSIDE LAKE WWTP DOUGLAS CO 177Waterloo0.06 MGD (million gallons per day)2022
PIOCHE PUBLIC UTILITIESPioche0.06 MGD (million gallons per day)2022
Northumberland Village WWTFNorthumberland0.06 MGD (million gallons per day)2022
Stratford Village WWTFNorth Stratford0.06 MGD (million gallons per day)2022
WILLARD, VILLAGE OFWillard0.06 MGD (million gallons per day)2022
MELROSE LAGOONMelrose0.06 MGD (million gallons per day)2022
ROY WTPRoy0.06 MGD (million gallons per day)2022
Columbus, Village ofColumbus0.06 MGD (million gallons per day)2022
WAGON MOUNDWagon Mound0.06 MGD (million gallons per day)2022
Laguna Pueblo / Casa Blanca WWTP Laguna0.06 MGD (million gallons per day)2022
Hermon (T) WWTP and Collection SystemHermon0.06 MGD (million gallons per day)2022
Esperance (T) STP and Collection SystemCentral Bridge0.06 MGD (million gallons per day)2022
Poughkeepsie(T)C'try Club STPPoughkeepsie0.06 MGD (million gallons per day)2022
Poughkeepsie (T) Route 44 SD STPPoughkeepsie0.06 MGD (million gallons per day)2022
Mount Hope (T) Hidden Valley STPOtisville0.06 MGD (million gallons per day)2022
Lewisboro, (T) Wild Oaks WWTPGoldens Bridge0.06 MGD (million gallons per day)2022
Stockport (T) Kings Acres STPStuyvesant0.06 MGD (million gallons per day)2022
Valley Falls (V) WWTP & Collection SystemValley Falls0.06 MGD (million gallons per day)2022
New Baltimore (T) Hamlet STPNew Baltimore0.06 MGD (million gallons per day)2022
St.Armand (T), STP & SewersBloomingdale0.06 MGD (million gallons per day)2022
Crown Point (T) SD 1 WWTFCrown Point0.06 MGD (million gallons per day)2022
Martinsburg (T) WWTP & Collection SystemMartinsburg0.06 MGD (million gallons per day)2022
Hermon (V) STP & SewersHermon0.06 MGD (million gallons per day)2022
Morristown (V) STPMorristown0.06 MGD (million gallons per day)2022
Watertown (T) SD#1 WWTPWatertown0.06 MGD (million gallons per day)2022
Rushville (V) STPRushville0.06 MGD (million gallons per day)2022
Cattaraugus (V) WWTPCattaraugus0.06 MGD (million gallons per day)2022
Cherry Creek (T) WWTPCherry Creek0.06 MGD (million gallons per day)2022
VASS WWTPVass0.06 MGD (million gallons per day)2022
STRASBURG WASTEWATERStrasburg0.06 MGD (million gallons per day)2022
FINLEY WASTEWATERFinley0.06 MGD (million gallons per day)2022
MINNEWAUKAN WASTEWATERMinnewaukan0.06 MGD (million gallons per day)2022
RAY WASTEWATERRay0.06 MGD (million gallons per day)2022
STEELE WASTEWATERSteele0.06 MGD (million gallons per day)2022
Holmes Co October Hills WWTP & SewersLoudonville0.06 MGD (million gallons per day)2022
Washington Co Riverview Estates WWTP & SewersBelpre0.06 MGD (million gallons per day)2022
Ross Co Union Heights WWTP & SewersChillicothe0.06 MGD (million gallons per day)2022
Allen Co Westminster WWTPLima0.06 MGD (million gallons per day)2022
Hartford WWTP and SewersCroton0.06 MGD (million gallons per day)2022
Fredericksburg WWTP & Sewer SystemFredericksburg0.06 MGD (million gallons per day)2022
Wayne Co Eastwood Subdivision WWTPApple Creek0.06 MGD (million gallons per day)2022
Hayesville WWTP and Sewer SystemHayesville0.06 MGD (million gallons per day)2022
Beaver WWTP & Collection SystemBeaver0.06 MGD (million gallons per day)2022
Corning WWTP and SewersCorning0.06 MGD (million gallons per day)2022
Crown City WWTP and SewersCrown City0.06 MGD (million gallons per day)2022
Geauga Co Troy Oaks WWTPHiram0.06 MGD (million gallons per day)2022
Grover Hill WWTP & Sewer SystemGrover Hill0.06 MGD (million gallons per day)2022
Laura WWTP & Sewer SystemLaura0.06 MGD (million gallons per day)2022
Rushville WWTP & Sewer SystemRushville0.06 MGD (million gallons per day)2022
OCHELATA UA WWTOchelata0.06 MGD (million gallons per day)2022
SPRINGER WWTSpringer0.06 MGD (million gallons per day)2022
COTTON #1 (RANDLETT) WWTRandlett0.06 MGD (million gallons per day)2022
ALEX WWTAlex0.06 MGD (million gallons per day)2022
KENDRICK WWTDavenport0.06 MGD (million gallons per day)2022
OAKLAND PWA WWTMadill0.06 MGD (million gallons per day)2022
CROWDER PWA WWTCrowder0.06 MGD (million gallons per day)2022
ROFF WWTRoff0.06 MGD (million gallons per day)2022
ASHER UDA WWTAsher0.06 MGD (million gallons per day)2022
STEPHENS CO #1 (VELMA) WWTVelma0.06 MGD (million gallons per day)2022
RAMONA WWTRamona0.06 MGD (million gallons per day)2022
CORN WWTCorn0.06 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.