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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
BARDSTOWN WWTPBardstown3 MGD (million gallons per day)2022
MOUNT STERLING Hinkston Creek WWTPMount Sterling3 MGD (million gallons per day)2022
LEBANON STPLebanon3 MGD (million gallons per day)2022
St. John the Baptist - Reserve WWTPReserve3 MGD (million gallons per day)2022
PINEVILLE STPPineville3 MGD (million gallons per day)2022
WEST MONROE REG STPWest Monroe3 MGD (million gallons per day)2022
WESTWEGO STPWestwego3 MGD (million gallons per day)2022
DENHAM SPRINGS WWTPDenham Springs3 MGD (million gallons per day)2022
BELLE CHASSE HWY 23 WWTPBelle Chasse3 MGD (million gallons per day)2022
YORK W P ABATEMENT FACYork3 MGD (million gallons per day)2022
Kent Nrrws/Stevensville/GrasonvilleStevensville3 MGD (million gallons per day)2022
MWRA Clinton WWTFClinton3 MGD (million gallons per day)2022
Hudson Sewerage Collection System and WPCFHudson3 MGD (million gallons per day)2022
FLUSHING WWTFFlushing3 MGD (million gallons per day)2022
BRIGHTON STPBrighton3 MGD (million gallons per day)2022
NORTHFIELD STPWhitmore Lake3 MGD (million gallons per day)2022
LEONI TWP STPMichigan Center3 MGD (million gallons per day)2022
COMMERCE TWP WWTPWalled Lake3 MGD (million gallons per day)2022
MELROSE WWTPMelrose3 MGD (million gallons per day)2022
NORTH KOOCHICHING COUNTY SDInternational Falls3 MGD (million gallons per day)2022
MONTEVIDEO WWTPMontevideo3 MGD (million gallons per day)2022
BATESVILLE POTWBatesville3 MGD (million gallons per day)2022
BROOKHAVEN POTWBrookhaven3 MGD (million gallons per day)2022
DCRUA - Ross Road/Olive Branch POTWOlive Branch3 MGD (million gallons per day)2022
Mexico WWTPMexico3 MGD (million gallons per day)2022
West Plains WWTPWest Plains3 MGD (million gallons per day)2022
Chillicothe WWTPChillicothe3 MGD (million gallons per day)2022
Festus-Crystal City WWTPCrystal City3 MGD (million gallons per day)2022
Shoal Creek WWTPNeosho3 MGD (million gallons per day)2022
Neosho Crowder WWTPNeosho3 MGD (million gallons per day)2022
Trenton Main WWTPTrenton3 MGD (million gallons per day)2022
Lake Ozark Regional WWTPLake Ozark3 MGD (million gallons per day)2022
Exeter WWTFExeter3 MGD (million gallons per day)2022
Verona Township - CS/STPVerona3 MGD (million gallons per day)2022
CMCMUA - Cape May Regional STPCape May Point3 MGD (million gallons per day)2022
Bordentown SA - Black's Creek CS/WTPBordentown3 MGD (million gallons per day)2022
LOVINGTON, CITY OFLovington3 MGD (million gallons per day)2022
Clovis, City of WWTPClovis3 MGD (million gallons per day)2022
Onondaga (Co) Brewerton WWTPBrewerton3 MGD (million gallons per day)2022
Newark (V) WWTPNewark3 MGD (million gallons per day)2022
Smith Creek Resource Recovery FacilityWake Forest3 MGD (million gallons per day)2022
SEA TRAILS WWTPSunset Beach3 MGD (million gallons per day)2022
WEST BRUNSWICK REG. WWTPSupply3 MGD (million gallons per day)2022
CATAWBA (Hickory) WWTPCatawba3 MGD (million gallons per day)2022
WHITEVILLE WWTPWhiteville3 MGD (million gallons per day)2022
FRANKLIN COUNTY WWTPFranklinton3 MGD (million gallons per day)2022
RAEFORD WWTPRaeford3 MGD (million gallons per day)2022
CORPENING CK (MARION) WWTPMarion3 MGD (million gallons per day)2022
CAROLINA BEACH WWTPCarolina Beach3 MGD (million gallons per day)2022
HILLSBOROUGH WWTPHillsborough3 MGD (million gallons per day)2022
RUTHERFORDTON WWTPRutherfordton3 MGD (million gallons per day)2022
Cambridge WWTP & Sewer SystemCambridge3 MGD (million gallons per day)2022
Clermont Co Nine Mile Creek WWTPNew Richmond3 MGD (million gallons per day)2022
Conneaut WWTP & Sewer SystemConneaut3 MGD (million gallons per day)2022
Dover WWTP & Sewer SystemDover3 MGD (million gallons per day)2022
Fairfield Co Tussing Road WRFPickerington3 MGD (million gallons per day)2022
Saint Marys WWTP & Sewer SystemSaint Marys3 MGD (million gallons per day)2022
CHICKASHA WWTChickasha3 MGD (million gallons per day)2022
SHAWNEE PWA WWT (NORTH)Shawnee3 MGD (million gallons per day)2022
POTEAU PWA WWTPoteau3 MGD (million gallons per day)2022
YUKON STPYukon3 MGD (million gallons per day)2022
EL RENO WWTEl Reno3 MGD (million gallons per day)2022
DEL CITY WWTOklahoma City3 MGD (million gallons per day)2022
LEBANON STPLebanon3 MGD (million gallons per day)2022
LINCOLN CITY STPLincoln City3 MGD (million gallons per day)2022
CONSHOHOCKEN BORO AUTHConshohocken3 MGD (million gallons per day)2022
WARMINSTER MUN AUTH NAWC WWTPWarminster3 MGD (million gallons per day)2022
WARREN BORO STPWarren3 MGD (million gallons per day)2022
BCW&SA/Central Berkeley WWTFGoose Creek3 MGD (million gallons per day)2022
Georges Creek WWTPGreenville3 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
Mountain Creek Regional WWTPMidlothian3 MGD (million gallons per day)2022
Laguna Madre WWTPCorpus Christi3 MGD (million gallons per day)2022
ROBSTOWN STPRobstown3 MGD (million gallons per day)2022
MOORE STREET STPBeeville3 MGD (million gallons per day)2022
Kingsville North WWTPKingsville3 MGD (million gallons per day)2022
Harker Heights WWTPHarker Heights3 MGD (million gallons per day)2022
Upper Gilleland Creek WWTPPflugerville3 MGD (million gallons per day)2022
Stephenville WWTPStephenville3 MGD (million gallons per day)2022
Richmond Regional WWTPRichmond3 MGD (million gallons per day)2022
Rosenberg WWTP #2Rosenberg3 MGD (million gallons per day)2022
Hitchcock WWTPGalveston3 MGD (million gallons per day)2022
La Marque - Westside WWTPLa Marque3 MGD (million gallons per day)2022
Easthaven WWTPHouston3 MGD (million gallons per day)2022
Willowood WWTPHouston3 MGD (million gallons per day)2022
Cinco Regional WWTPSugar Land3 MGD (million gallons per day)2022
Brattleboro WWTFBrattleboro3 MGD (million gallons per day)2022
Lower Smith WTTP & CSCollinsville3 MGD (million gallons per day)2022
SOUTH HILL WWTPSouth Hill3 MGD (million gallons per day)2022
GALAX SEWAGE FACILITYGalax3 MGD (million gallons per day)2022
COVINGTON STPCovington3 MGD (million gallons per day)2022
SOUTH BOSTON S T PSouth Boston3 MGD (million gallons per day)2022
LEX. ROCK. REGIONAL WQCFLexington3 MGD (million gallons per day)2022
GRANDVIEW STPGrandview3 MGD (million gallons per day)2022
MARTINSBURG WWTPMartinsburg3 MGD (million gallons per day)2022
BRIDGEPORT WWTPBridgeport3 MGD (million gallons per day)2022
HURRICANE WWTPHurricane3 MGD (million gallons per day)2022
RIB MOUNTAIN MSD STPWausau3 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.