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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
URBANK WWTPParkers Prairie0.011 MGD (million gallons per day)2022
PCPWSD No 2. Summer Field Subd WWTPRolla0.011 MGD (million gallons per day)2022
Millard WWTPKirksville0.011 MGD (million gallons per day)2022
BUSHNELL, WWTPBushnell0.011 MGD (million gallons per day)2022
OHIOWA WWTPOhiowa0.011 MGD (million gallons per day)2022
GOODRICH WASTEWATERGoodrich0.011 MGD (million gallons per day)2022
Knox County Jelloway WWTPDanville0.011 MGD (million gallons per day)2022
Carroll County Home Golden Age Retreat WWTPCarrollton0.011 MGD (million gallons per day)2022
BERK CO PSSD - HIGHPOINTE WWTPBunker Hill0.011 MGD (million gallons per day)2022
HILL POINT SD - STPHillpoint0.011 MGD (million gallons per day)2022
MASON STPBayfield0.011 MGD (million gallons per day)2022
SAND CREEK SD #1 - STPSand Creek0.011 MGD (million gallons per day)2022
CHELSEA SD WWTPMedford0.011 MGD (million gallons per day)2022
JF Shields High School-LagoonBeatrice0.01 MGD (million gallons per day)2022
Town of Anderson – High School WWTPAnderson0.01 MGD (million gallons per day)2022
Pintlala LagoonHope Hull0.01 MGD (million gallons per day)2022
SECTION WWTP & COLLECTORSSection0.01 MGD (million gallons per day)2022
Galena LagoonGalena0.01 MGD (million gallons per day)2022
McGrath LagoonMc Grath0.01 MGD (million gallons per day)2022
Newhalen LagoonIliamna0.01 MGD (million gallons per day)2022
Ekwok LagoonEkwok0.01 MGD (million gallons per day)2022
Chefornak LagoonChefornak0.01 MGD (million gallons per day)2022
Akhiok LagoonAkiak0.01 MGD (million gallons per day)2022
Arctic Village WWTPArctic Village0.01 MGD (million gallons per day)2022
Klukwan LagoonHaines0.01 MGD (million gallons per day)2022
Old Harbor LagoonOld Harbor0.01 MGD (million gallons per day)2022
Pinal County Stanfield HUD WWTPStanfield0.01 MGD (million gallons per day)2022
Marble Falls WWTPMarble Falls0.01 MGD (million gallons per day)2022
ANCHOR BAY WWTFGualala0.01 MGD (million gallons per day)2022
BEAR CREEK ESTATES WWTFBoulder Creek0.01 MGD (million gallons per day)2022
Cornerstone Metropolitan District No 1Montrose0.01 MGD (million gallons per day)2022
Lowell Whiteman School/Steamboat Mountain SchoolSteamboat Springs0.01 MGD (million gallons per day)2022
Spring Valley Metropolitan District No. 1Elizabeth0.01 MGD (million gallons per day)2022
MARBLE WWTPCarbondale0.01 MGD (million gallons per day)2022
Custer County/San IsabelRye0.01 MGD (million gallons per day)2022
PAOLI LAGOONPaoli0.01 MGD (million gallons per day)2022
Spring Creek EstatesMontrose0.01 MGD (million gallons per day)2022
UTE PASS / CHIPETA / CASCADECascade0.01 MGD (million gallons per day)2022
Idalia LagoonIdalia0.01 MGD (million gallons per day)2022
Hidden View EstatesLoveland0.01 MGD (million gallons per day)2022
Park County Moore Dale RanchBailey0.01 MGD (million gallons per day)2022
CHESTER, TOWN OFChester0.01 MGD (million gallons per day)2022
GLASGO COMMUNITY WTPVoluntown0.01 MGD (million gallons per day)2022
Clark Creek North Campground WPCPAcworth0.01 MGD (million gallons per day)2022
EMIDA LAGOON SYSTEMSaint Maries0.01 MGD (million gallons per day)2022
TRICO COMMUNITY HIGHSCHOOL WWTPCampbell Hill0.01 MGD (million gallons per day)2022
Monroe County RSDStinesville0.01 MGD (million gallons per day)2022
Newton County RW & SDBrook0.01 MGD (million gallons per day)2022
Laconia Municipal WWTPLaconia0.01 MGD (million gallons per day)2022
FESTINA WWTFFort Atkinson0.01 MGD (million gallons per day)2022
ARGYLEArgyle0.01 MGD (million gallons per day)2022
COLESBURG NW STLColesburg0.01 MGD (million gallons per day)2022
JF CO S D #10+11 WWTPOskaloosa0.01 MGD (million gallons per day)2022
FORMOSO WWTPFormoso0.01 MGD (million gallons per day)2022
KCK WWTP #3 WWTPKansas City0.01 MGD (million gallons per day)2022
ONEIDA WWTPOneida0.01 MGD (million gallons per day)2022
WILLIS WWTPHolton0.01 MGD (million gallons per day)2022
MN CO SD #1 (EASTSHORE) WWTPMarion0.01 MGD (million gallons per day)2022
AL CO RWD #13 WWTP PETROLIAChanute0.01 MGD (million gallons per day)2022
BU CO.S.D. #17 WWTP (BEAUMONT)Beaumont0.01 MGD (million gallons per day)2022
SPIVEY WWTPSpivey0.01 MGD (million gallons per day)2022
RN CO S D #1 WWTP CEDARVIEW SUBHutchinson0.01 MGD (million gallons per day)2022
Franklin Parish Police JuryWinnsboro0.01 MGD (million gallons per day)2022
SIKES LAGOONSikes0.01 MGD (million gallons per day)2022
SPRING MEADOWS WWTPJarrettsville0.01 MGD (million gallons per day)2022
Fort Frederick State ParkBig Pool0.01 MGD (million gallons per day)2022
IRON JUNCTION WWTPClinton0.01 MGD (million gallons per day)2022
LAKE HENRY WWTPPaynesville0.01 MGD (million gallons per day)2022
OAKLAND WWTPAustin0.01 MGD (million gallons per day)2022
JCPSD Cedar Springs Elementary WWTPHouse Springs0.01 MGD (million gallons per day)2022
JCPSD Country Trails WWTPBarnhart0.01 MGD (million gallons per day)2022
JCPSD Fawn Meadow WWTPHillsboro0.01 MGD (million gallons per day)2022
JCPSD Lakewood WWTFHillsboro0.01 MGD (million gallons per day)2022
JCPSD Secluded Forest WWTPCedar Hill0.01 MGD (million gallons per day)2022
JCPSD, Brookside Parc WWTPHillsboro0.01 MGD (million gallons per day)2022
Jefferson County Library District WWTFHigh Ridge0.01 MGD (million gallons per day)2022
MDC, Lost Valley Fish Hatchery WWTFWarsaw0.01 MGD (million gallons per day)2022
MDNR Stockton State Park WWTFDadeville0.01 MGD (million gallons per day)2022
MDNR, Big Lake State Park WWTFCraig0.01 MGD (million gallons per day)2022
MODOT I-55 Rest Area-Fruitland WWTPJackson0.01 MGD (million gallons per day)2022
Mozingo Lake Recreation AreaMaryville0.01 MGD (million gallons per day)2022
Newark WWTFNewark0.01 MGD (million gallons per day)2022
SCSD No. 1, Red Cedar Point WWTFBranson0.01 MGD (million gallons per day)2022
Country East Subdivision WWTFFulton0.01 MGD (million gallons per day)2022
Country Livin' Subdivision WWTPFulton0.01 MGD (million gallons per day)2022
County Line Estates WWTFFulton0.01 MGD (million gallons per day)2022
CGCRCSD Essex Place WWTFJackson0.01 MGD (million gallons per day)2022
CGCRCSD Seabaugh Acres WWTFJackson0.01 MGD (million gallons per day)2022
CGCRCSD Spring Lake Estates WWTFJackson0.01 MGD (million gallons per day)2022
FCPWSD No.1 Baucky View Subd WWTPUnion0.01 MGD (million gallons per day)2022
BCRSD Midway USA 40 & J WWTFRocheport0.01 MGD (million gallons per day)2022
CGCRCSD Saxony Lutheran HS WWTFJackson0.01 MGD (million gallons per day)2022
Lake Mykee LagoonsHolts Summit0.01 MGD (million gallons per day)2022
MDNR, Babler State ParkSaint Louis0.01 MGD (million gallons per day)2022
District #32 Alan Acres WWTPKansas City0.01 MGD (million gallons per day)2022
BCSD Hartsburg WW SystemHartsburg0.01 MGD (million gallons per day)2022
Watkins Mill State ParkLawson0.01 MGD (million gallons per day)2022
MDNR, Washington State Park WWTFDe Soto0.01 MGD (million gallons per day)2022
Leonard WWTFLeonard0.01 MGD (million gallons per day)2022
Village of BethelBethel0.01 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.