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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
Colfax WWTFColfax0.5 MGD (million gallons per day)2022
Alturas WWTPAlturas0.5 MGD (million gallons per day)2022
ARBUCKLE WWTFArbuckle0.5 MGD (million gallons per day)2022
CHESTER WWTFChester0.5 MGD (million gallons per day)2022
CLEARLAKE OAKS WWTFClearlake Oaks0.5 MGD (million gallons per day)2022
HAMILTON CITY WWTFHamilton City0.5 MGD (million gallons per day)2022
PIXLEY WWTFPixley0.5 MGD (million gallons per day)2022
Stallion Springs CSD WWTFTehachapi0.5 MGD (million gallons per day)2022
Lower Moosa Canyon WRFEscondido0.5 MGD (million gallons per day)2022
Spring Valley Sanitation DistrictGlenwood Springs0.5 MGD (million gallons per day)2022
WRAY WWTPWray0.5 MGD (million gallons per day)2022
ROCKY FORD SEWAGE LAGOONSRocky Ford0.5 MGD (million gallons per day)2022
MANASSA WWTPSanford0.5 MGD (million gallons per day)2022
HUDSON STPHudson0.5 MGD (million gallons per day)2022
RANGELY WWTPRangely0.5 MGD (million gallons per day)2022
Elizabeth, Town ofElizabeth0.5 MGD (million gallons per day)2022
Mead, Town ofMead0.5 MGD (million gallons per day)2022
Thompson Crossing #1 MDLoveland0.5 MGD (million gallons per day)2022
PV Water and Sanitation MDDenver0.5 MGD (million gallons per day)2022
BEACON FALLS WPCFBeacon Falls0.5 MGD (million gallons per day)2022
BCUD / Port St. John WWTPCocoa0.5 MGD (million gallons per day)2022
Burnt Store WWTPPunta Gorda0.5 MGD (million gallons per day)2022
Innlet Beach WWTFSaint Augustine0.5 MGD (million gallons per day)2022
Bushnell WWTPLake Panasoffkee0.5 MGD (million gallons per day)2022
Toho II WWTFSaint Cloud0.5 MGD (million gallons per day)2022
Brentwood Regional WWTFLecanto0.5 MGD (million gallons per day)2022
Chicken Creek (The Manor)Alpharetta0.5 MGD (million gallons per day)2022
Banks County Hudson River WPCPCommerce0.5 MGD (million gallons per day)2022
Barrow County Tanners Bridge LASBethlehem0.5 MGD (million gallons per day)2022
Colquitt WPCPColquitt0.5 MGD (million gallons per day)2022
Hoschton WPCPHoschton0.5 MGD (million gallons per day)2022
Pembroke WWTPPembroke0.5 MGD (million gallons per day)2022
Bowdon WPCPBowdon0.5 MGD (million gallons per day)2022
Butler WPCPButler0.5 MGD (million gallons per day)2022
Douglasville South Central Urban Water Reuse FacilityDouglasville0.5 MGD (million gallons per day)2022
Helen LASHelen0.5 MGD (million gallons per day)2022
Homerville WPCPHomerville0.5 MGD (million gallons per day)2022
Lumber City PondLumber City0.5 MGD (million gallons per day)2022
Nicholls LASNicholls0.5 MGD (million gallons per day)2022
Sparks WPCPSparks0.5 MGD (million gallons per day)2022
Warrenton WPCPWarrenton0.5 MGD (million gallons per day)2022
KULAIMANO WWTFPepeekeo0.5 MGD (million gallons per day)2022
MONTPELIER SEW TRT FACMontpelier0.5 MGD (million gallons per day)2022
BELLEVUE WW TREATMENT FACILITYBellevue0.5 MGD (million gallons per day)2022
PEOTONE STPPeotone0.5 MGD (million gallons per day)2022
GILMAN STP and COL. SYS.Gilman0.5 MGD (million gallons per day)2022
FOX LAKE TALL OAKS STPFox Lake0.5 MGD (million gallons per day)2022
ROODHOUSE WWTPRoodhouse0.5 MGD (million gallons per day)2022
ROCKDALE STPRockdale0.5 MGD (million gallons per day)2022
EUREKA STPEureka0.5 MGD (million gallons per day)2022
RICHMOND SEWAGE TMT PLANTRichmond0.5 MGD (million gallons per day)2022
Spring Grove WWTP-NewSpring Grove0.5 MGD (million gallons per day)2022
HEBRON COLLECTION SYSTEMHebron0.5 MGD (million gallons per day)2022
Johnsburg WWTPJohnsburg0.5 MGD (million gallons per day)2022
LaSalle East Side WWTP (New Plant)La Salle0.5 MGD (million gallons per day)2022
ARTHUR STPArthur0.5 MGD (million gallons per day)2022
ARCOLA STPArcola0.5 MGD (million gallons per day)2022
TUSCOLA, NORTH WWTPTuscola0.5 MGD (million gallons per day)2022
POLO STPPolo0.5 MGD (million gallons per day)2022
AMBOY STPAmboy0.5 MGD (million gallons per day)2022
MCLEANSBORO STPMc Leansboro0.5 MGD (million gallons per day)2022
GILLESPIE STPGillespie0.5 MGD (million gallons per day)2022
STAUNTON EAST STPStaunton0.5 MGD (million gallons per day)2022
TRENTON STPTrenton0.5 MGD (million gallons per day)2022
STEELEVILLE STPSteeleville0.5 MGD (million gallons per day)2022
NEWTON STPNewton0.5 MGD (million gallons per day)2022
NASHVILLE STPNashville0.5 MGD (million gallons per day)2022
SHELBURN WWTPShelburn0.5 MGD (million gallons per day)2022
Dillsboro WWTPDillsboro0.5 MGD (million gallons per day)2022
VERSAILLES WWTPVersailles0.5 MGD (million gallons per day)2022
OSGOOD WWTPOsgood0.5 MGD (million gallons per day)2022
WAKARUSA WWTPWakarusa0.5 MGD (million gallons per day)2022
MIDDLETOWN WWTPMiddletown0.5 MGD (million gallons per day)2022
DEMOTTE, WWTPDemotte0.5 MGD (million gallons per day)2022
ELY WWTPEly0.5 MGD (million gallons per day)2022
PARK VIEW LAGOONEldridge0.5 MGD (million gallons per day)2022
MAIZE WWTPMaize0.5 MGD (million gallons per day)2022
ST MARYS WWTPSaint Marys0.5 MGD (million gallons per day)2022
Edgerton Big Bull WWTP (new)Edgerton0.5 MGD (million gallons per day)2022
SENECA WWTPSeneca0.5 MGD (million gallons per day)2022
ELLSWORTH WWTPEllsworth0.5 MGD (million gallons per day)2022
PHILLIPSBURG WWTPPhillipsburg0.5 MGD (million gallons per day)2022
NEODESHA WWTPNeodesha0.5 MGD (million gallons per day)2022
CATLETTSBURGCatlettsburg0.5 MGD (million gallons per day)2022
SANDY HOOKSandy Hook0.5 MGD (million gallons per day)2022
EMINENCE STPEminence0.5 MGD (million gallons per day)2022
BRANDENBURG STPBrandenburg0.5 MGD (million gallons per day)2022
BURKESVILLE STPBurkesville0.5 MGD (million gallons per day)2022
CUMBERLAND STPCumberland0.5 MGD (million gallons per day)2022
Falmouth STPFalmouth0.5 MGD (million gallons per day)2022
MORGANTOWNMorgantown0.5 MGD (million gallons per day)2022
STURGIS STPSturgis0.5 MGD (million gallons per day)2022
GRAND RIVERS WASTEWATER TREATMENT PLANTGrand Rivers0.5 MGD (million gallons per day)2022
St. Mary Parish Water & Sewer Commission #4Charenton0.5 MGD (million gallons per day)2022
CARENCRO SEW OXY PONDCarencro0.5 MGD (million gallons per day)2022
CARENCRO MANOLO ST PLANTCarencro0.5 MGD (million gallons per day)2022
PEARL RIVER WWTPPearl River0.5 MGD (million gallons per day)2022
PLAIN DEALING STPPlain Dealing0.5 MGD (million gallons per day)2022
HAYNESVILLE STPHaynesville0.5 MGD (million gallons per day)2022
HOMER WWTPHomer0.5 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.