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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
HATFIELD WWTPPipestone0.02 MGD (million gallons per day)2022
FLENSBURG WWTPFlensburg0.02 MGD (million gallons per day)2022
MCKINLEY WWTFGilbert0.02 MGD (million gallons per day)2022
Hillsboro Jamestown MHP WWTFHillsboro0.02 MGD (million gallons per day)2022
JCPSD Echo Valley Estates WWTPHouse Springs0.02 MGD (million gallons per day)2022
JCPSD House Springs SR/Early CCC WWTPHouse Springs0.02 MGD (million gallons per day)2022
JCPSD Wedgewood Village WWTPCedar Hill0.02 MGD (million gallons per day)2022
JCPSD Woodridge Estates WWTPHouse Springs0.02 MGD (million gallons per day)2022
JCPSD Golden Acres WWTFHouse Springs0.02 MGD (million gallons per day)2022
LCPWSD #3 Cornerstone Estates WWTFLebanon0.02 MGD (million gallons per day)2022
Marion Co PWSD 1 WWTFPhiladelphia0.02 MGD (million gallons per day)2022
MDNR Echo Bluff State Park WWTP 1Eminence0.02 MGD (million gallons per day)2022
MODOT I-44 Conway Welcome Center WWTPConway0.02 MGD (million gallons per day)2022
MODOT I-55 Rest Area Bloomsdale WWTFBloomsdale0.02 MGD (million gallons per day)2022
SCCPWSD #2 Boone Ridge Estates WWTFWentzville0.02 MGD (million gallons per day)2022
Blythedale WWTFBlythedale0.02 MGD (million gallons per day)2022
CGCRCSD Oak Creek Estates WWTPJackson0.02 MGD (million gallons per day)2022
CGCRCSD Forest Meadows Subdivision WWTFJackson0.02 MGD (million gallons per day)2022
District #29 Red Rock WWTPPlatte City0.02 MGD (million gallons per day)2022
Leslie WWTPLeslie0.02 MGD (million gallons per day)2022
Antire Springs WWTPHigh Ridge0.02 MGD (million gallons per day)2022
Meadow Village Subd.Columbia0.02 MGD (million gallons per day)2022
Elmo WWTPElmo0.02 MGD (million gallons per day)2022
Cosby WWTPCosby0.02 MGD (million gallons per day)2022
Jacksonville WWTPJacksonville0.02 MGD (million gallons per day)2022
Homestead Village WWTPExcelsior Springs0.02 MGD (million gallons per day)2022
Ludlow LagoonLudlow0.02 MGD (million gallons per day)2022
Knox City WWTPKnox City0.02 MGD (million gallons per day)2022
Penermon LagoonEssex0.02 MGD (million gallons per day)2022
Rhineland WWTPRhineland0.02 MGD (million gallons per day)2022
Emma S. WWTPEmma0.02 MGD (million gallons per day)2022
Caledonia WWTFCaledonia0.02 MGD (million gallons per day)2022
Coffey LagoonCoffey0.02 MGD (million gallons per day)2022
Luray WWTPLuray0.02 MGD (million gallons per day)2022
Washington Co. PWSD #4 HolidayCaledonia0.02 MGD (million gallons per day)2022
Revere WWTPRevere0.02 MGD (million gallons per day)2022
Barnett WWTPBarnett0.02 MGD (million gallons per day)2022
Village of Benton City WWTFBenton City0.02 MGD (million gallons per day)2022
Argyle WWTPArgyle0.02 MGD (million gallons per day)2022
Ionia WWTPIonia0.02 MGD (million gallons per day)2022
Joplin Liberty County W&S DistrictJoplin0.02 MGD (million gallons per day)2022
REXFORD LAGOONSRexford0.02 MGD (million gallons per day)2022
WINIFRED WWTPWinifred0.02 MGD (million gallons per day)2022
RUDYARD WWTPRudyard0.02 MGD (million gallons per day)2022
BAINVILLE LAGOONSBainville0.02 MGD (million gallons per day)2022
GILDFORD LAGOONGildford0.02 MGD (million gallons per day)2022
ROCKER WATER & SEWER DIST.Butte0.02 MGD (million gallons per day)2022
ST. MARIE - NO VALLEY CO W&S DISTSaint Marie0.02 MGD (million gallons per day)2022
Ramsay Water and Sewer DistrictRamsay0.02 MGD (million gallons per day)2022
RIVERSIDE WATER & SEWER DISTRICTBozeman0.02 MGD (million gallons per day)2022
ALEXANDRIA WWTPAlexandria0.02 MGD (million gallons per day)2022
REPUBLICAN CITY WWTPRepublican City0.02 MGD (million gallons per day)2022
MERRIMAN WWTPMerriman0.02 MGD (million gallons per day)2022
BROWNVILLE WWTPBrownville0.02 MGD (million gallons per day)2022
NEMAHA WWTPNemaha0.02 MGD (million gallons per day)2022
BEE, WWTPBee0.02 MGD (million gallons per day)2022
BELDEN WWTPBelden0.02 MGD (million gallons per day)2022
WYNOT WWTPWynot0.02 MGD (million gallons per day)2022
BELGRADE WWTPBelgrade0.02 MGD (million gallons per day)2022
BLADEN WWTPBladen0.02 MGD (million gallons per day)2022
BROADWATER, WWTPBroadwater0.02 MGD (million gallons per day)2022
EDISON WWTPEdison0.02 MGD (million gallons per day)2022
HOLBROOK WWTPHolbrook0.02 MGD (million gallons per day)2022
WESTON WWTPWeston0.02 MGD (million gallons per day)2022
CARROLL WWTPCarroll0.02 MGD (million gallons per day)2022
COMSTOCK WWTPComstock0.02 MGD (million gallons per day)2022
CONCORD, WWTPConcord0.02 MGD (million gallons per day)2022
DAVEY WWTPDavey0.02 MGD (million gallons per day)2022
DAYKIN WWTPDaykin0.02 MGD (million gallons per day)2022
DENTON STPDenton0.02 MGD (million gallons per day)2022
DWIGHT WWTPDwight0.02 MGD (million gallons per day)2022
ELBA WWTPElba0.02 MGD (million gallons per day)2022
ELK CREEK WWTPElk Creek0.02 MGD (million gallons per day)2022
ELSIE WWTPElsie0.02 MGD (million gallons per day)2022
ENDICOTT WWTPEndicott0.02 MGD (million gallons per day)2022
VERDON WWTPVerdon0.02 MGD (million gallons per day)2022
DAWSON WWTPDawson0.02 MGD (million gallons per day)2022
FUNK WWTPFunk0.02 MGD (million gallons per day)2022
GOEHNER, WWTPGoehner0.02 MGD (million gallons per day)2022
GRESHAM WWTPGresham0.02 MGD (million gallons per day)2022
GURLEY WWTPGurley0.02 MGD (million gallons per day)2022
HAIGLER WWTPHaigler0.02 MGD (million gallons per day)2022
BOELUS WWTPBoelus0.02 MGD (million gallons per day)2022
HUBBARD WWTPHubbard0.02 MGD (million gallons per day)2022
HYANNIS WWTPHyannis0.02 MGD (million gallons per day)2022
DUNBAR WWTPDunbar0.02 MGD (million gallons per day)2022
NEHAWKA WWTPNehawka0.02 MGD (million gallons per day)2022
AVOCA WWTPAvoca0.02 MGD (million gallons per day)2022
MURDOCK WWTPMurdock0.02 MGD (million gallons per day)2022
OCONTO WWTPOconto0.02 MGD (million gallons per day)2022
PAGE WWTPPage0.02 MGD (million gallons per day)2022
INMAN WWTPInman0.02 MGD (million gallons per day)2022
RAYMOND WWTPRaymond0.02 MGD (million gallons per day)2022
RIVERTON WWTPRiverton0.02 MGD (million gallons per day)2022
RUSKIN WWTPRuskin0.02 MGD (million gallons per day)2022
STAMFORD WWTPStamford0.02 MGD (million gallons per day)2022
TAYLOR, WWTPTaylor0.02 MGD (million gallons per day)2022
TRUMBULL WWTPTrumbull0.02 MGD (million gallons per day)2022
UPLAND WWTPUpland0.02 MGD (million gallons per day)2022
ROSALIE WWTPRosalie0.02 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.