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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
CHATHAM CO. WWTP (BYNUM)Pittsboro0.025 MGD (million gallons per day)2022
BUFFALO WASTEWATERBuffalo0.025 MGD (million gallons per day)2022
Charles Mill Lake Campground Collection System and WWTPMansfield0.025 MGD (million gallons per day)2022
Franklin Co Taylor Estates WWTPWesterville0.025 MGD (million gallons per day)2022
Cecil WWTP & Sewer SystemCecil0.025 MGD (million gallons per day)2022
Geauga Co Scarsdale WWTPChagrin Falls0.025 MGD (million gallons per day)2022
Kirtland Rockwood Ledges WWTPWilloughby0.025 MGD (million gallons per day)2022
Trumbull Co Kinsman WWTPKinsman0.025 MGD (million gallons per day)2022
Preble Co Sewer District #3 WWTPWest Elkton0.025 MGD (million gallons per day)2022
Crawford Co Linlare VillageBucyrus0.025 MGD (million gallons per day)2022
MARBLE CITY WWTMarble City0.025 MGD (million gallons per day)2022
SAND SPRINGS SAND CREEK WWTSand Springs0.025 MGD (million gallons per day)2022
CHOCTAW CO. #1 (GRANT) WWTGrant0.025 MGD (million gallons per day)2022
BLUEJACKET WWTBluejacket0.025 MGD (million gallons per day)2022
WHITEFIELD MIA WWTWhitefield0.025 MGD (million gallons per day)2022
EARLSBORO PWA WWTEarlsboro0.025 MGD (million gallons per day)2022
SEMINOLE #3 (CROMWELL) WWTCromwell0.025 MGD (million gallons per day)2022
McKinney Rough WWTPBastrop0.025 MGD (million gallons per day)2022
Adrian WWTPAdrian0.025 MGD (million gallons per day)2022
West Point WWTPLa Grange0.025 MGD (million gallons per day)2022
London WWTPJunction0.025 MGD (million gallons per day)2022
Doe Branch WRPLewisville0.025 MGD (million gallons per day)2022
Maverick Co - Quemado WWTPQuemado0.025 MGD (million gallons per day)2022
Malone WWTPMalone0.025 MGD (million gallons per day)2022
Mertens WWTPMertens0.025 MGD (million gallons per day)2022
Bluebonnet Country WWTPNavasota0.025 MGD (million gallons per day)2022
Avalon WWTPAvalon0.025 MGD (million gallons per day)2022
RosenbergRosenberg0.025 MGD (million gallons per day)2022
DUCK CREEKDuck Creek Village0.025 MGD (million gallons per day)2022
Otter Valley Union High School WWTFBrandon0.025 MGD (million gallons per day)2022
Bristol Core WWDSBristol0.025 MGD (million gallons per day)2022
SCHUYLER STPSchuyler0.025 MGD (million gallons per day)2022
CENTURY VOLGA PSDVolga0.025 MGD (million gallons per day)2022
BERK CO PSSD - FOREST HGTS I WWTPInwood0.025 MGD (million gallons per day)2022
BROOKE CO PSD - BEECH BOTTOM WWTPBeech Bottom0.025 MGD (million gallons per day)2022
MARSHALL CO SD - FORT CLARK WWTPGlen Dale0.025 MGD (million gallons per day)2022
MARSHALL CO SD - SUNNYSIDE WWTPGlen Dale0.025 MGD (million gallons per day)2022
MEADOW CREEK PSD - MEADOW CRK TPMeadow Creek0.025 MGD (million gallons per day)2022
PORT WING WWTPPort Wing0.025 MGD (million gallons per day)2022
REWEY STPRewey0.025 MGD (million gallons per day)2022
ROCKDALE STPCambridge0.025 MGD (million gallons per day)2022
ROXBURY SD #1 STPSauk City0.025 MGD (million gallons per day)2022
STITZER SD - STPStitzer0.025 MGD (million gallons per day)2022
ROCKLAND SD #1 - STPCollins0.025 MGD (million gallons per day)2022
PAVILLION LAGOONPavillion0.025 MGD (million gallons per day)2022
MIDWEST LAGOONMidwest0.025 MGD (million gallons per day)2022
GLENDO LAGOONGlendo0.025 MGD (million gallons per day)2022
CHUGWATER LAGOONChugwater0.025 MGD (million gallons per day)2022
Koliganek LagoonDillingham0.024 MGD (million gallons per day)2022
VC/New Hope WWTFSeville0.024 MGD (million gallons per day)2022
Corunna WWTPCorunna0.024 MGD (million gallons per day)2022
Poneto Municipal STPPoneto0.024 MGD (million gallons per day)2022
COLESBURG SE STLColesburg0.024 MGD (million gallons per day)2022
LUCAS WWTPLucas0.024 MGD (million gallons per day)2022
PANAMA STLPanama0.024 MGD (million gallons per day)2022
WOODBURN, WWTPWoodburn0.024 MGD (million gallons per day)2022
DOUDS/LEANDO WWSDouds0.024 MGD (million gallons per day)2022
CUBA WWTPCuba0.024 MGD (million gallons per day)2022
RANDOLPH WWTPRandolph0.024 MGD (million gallons per day)2022
ADMIRE WWTPAdmire0.024 MGD (million gallons per day)2022
FULTON WWTPFulton0.024 MGD (million gallons per day)2022
CORNING WWTPCorning0.024 MGD (million gallons per day)2022
GALESBURG WWTPThayer0.024 MGD (million gallons per day)2022
SMOLAN WWTPLindsborg0.024 MGD (million gallons per day)2022
BURDETT WWTPBurdett0.024 MGD (million gallons per day)2022
PAWNEE ROCK WWTPPawnee Rock0.024 MGD (million gallons per day)2022
WINTON WWTPWinton0.024 MGD (million gallons per day)2022
The Charleston WWTF (CFO)Lake Ozark0.024 MGD (million gallons per day)2022
Riverwood II Estates WWTFWarrensburg0.024 MGD (million gallons per day)2022
Plato WWTPPlato0.024 MGD (million gallons per day)2022
Cross Timbers WWTPCross Timbers0.024 MGD (million gallons per day)2022
Holliday WWTFHolliday0.024 MGD (million gallons per day)2022
FORT PECK LAGOONSFort Peck0.024 MGD (million gallons per day)2022
South Wind Water and Sewer DistrictGreat Falls0.024 MGD (million gallons per day)2022
MARQUETTE WWTPMarquette0.024 MGD (million gallons per day)2022
PANAMA STPPanama0.024 MGD (million gallons per day)2022
Forestport (T) STPForestport0.024 MGD (million gallons per day)2022
GLADSTONE WASTEWATERGladstone0.024 MGD (million gallons per day)2022
Latty WWTP & Sewer SystemLatty0.024 MGD (million gallons per day)2022
Rodney Village II WWTP & SewersGallipolis0.024 MGD (million gallons per day)2022
Moscow WWTP and Sewer SystemMoscow0.024 MGD (million gallons per day)2022
Knox Co Pleasant View Acres WWTPMount Vernon0.024 MGD (million gallons per day)2022
Lake Co Dodd's Hill WWTPPainesville0.024 MGD (million gallons per day)2022
Darke Co Rolin Acres WWTPGreenville0.024 MGD (million gallons per day)2022
Philothea Sewer District WWTPCelina0.024 MGD (million gallons per day)2022
Hamshire WWTPHamshire0.024 MGD (million gallons per day)2022
Wildwood WWTPVillage Mills0.024 MGD (million gallons per day)2022
BAGLEY STPBagley0.024 MGD (million gallons per day)2022
HAUGEN STPHaugen0.024 MGD (million gallons per day)2022
WILSON STPWilson0.024 MGD (million gallons per day)2022
STEPHENSVILLE SD #1 - WWTPHortonville0.024 MGD (million gallons per day)2022
Klamath Community Services DistrictKlamath0.023 MGD (million gallons per day)2022
Julian Water Pollution Control Fac.Julian0.023 MGD (million gallons per day)2022
BRUNEAU S/T FACILITYBruneau0.023 MGD (million gallons per day)2022
HUEY STPHuey0.023 MGD (million gallons per day)2022
DUNDEE STLDundee0.023 MGD (million gallons per day)2022
ELBERON STLElberon0.023 MGD (million gallons per day)2022
HARRIS WWTPHarris0.023 MGD (million gallons per day)2022
SOUTH ENGLISH WWTPSouth English0.023 MGD (million gallons per day)2022
HADDAM WWTPHaddam0.023 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.