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World wastewater treatment plant observatory · data as reported by each inventory

Wastewater treatment plants in United States · Oklahoma

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486 inventory records · EPA Clean Watersheds Needs Survey 2022

Data years: 2022. The inventory date does not establish current operation.

486 results

CompareNameNative sizeYear
WATONGA WWTWatonga0.5 MGD (million gallons per day)2022
HEALDTON WWTHealdton0.5 MGD (million gallons per day)2022
WEWOKA WWTWewoka0.5 MGD (million gallons per day)2022
WAGONER CO. #4 WWTBroken Arrow0.5 MGD (million gallons per day)2022
SPIRO MA WWTSpiro0.48 MGD (million gallons per day)2022
OLUSTEE WWTOlustee0.46 MGD (million gallons per day)2022
HOBART PWA WWTHobart0.46 MGD (million gallons per day)2022
PERKINS WWTPerkins0.46 MGD (million gallons per day)2022
TONKAWA MA WWTTonkawa0.452 MGD (million gallons per day)2022
DEWEY PWA WWTDewey0.44 MGD (million gallons per day)2022
HOLLIS PWA WWTHollis0.44 MGD (million gallons per day)2022
TISHOMINGO WWTTishomingo0.44 MGD (million gallons per day)2022
LINDSAY WWTLindsay0.42 MGD (million gallons per day)2022
PIEDMONT WWTPiedmont0.412 MGD (million gallons per day)2022
ATOKA WWTAtoka0.41 MGD (million gallons per day)2022
NEW CORDELL WWTCordell0.406 MGD (million gallons per day)2022
CHEROKEE WWTCherokee0.4 MGD (million gallons per day)2022
MULDROW UA WWTMuldrow0.4 MGD (million gallons per day)2022
SPENCER WWTSpencer0.4 MGD (million gallons per day)2022
MANGUM WWTMangum0.4 MGD (million gallons per day)2022
BLANCHARD WWTBlanchard0.4 MGD (million gallons per day)2022
HASKELL PWA WWTHaskell0.39 MGD (million gallons per day)2022
NEWKIRK WWTFNewkirk0.38 MGD (million gallons per day)2022
DAVIS WWTDavis0.38 MGD (million gallons per day)2022
HOMINY WWTHominy0.375 MGD (million gallons per day)2022
CLEVELAND WWTCleveland0.363 MGD (million gallons per day)2022
EUFAULA PWA WWTEufaula0.36 MGD (million gallons per day)2022
CALERA PWA WWTCalera0.35 MGD (million gallons per day)2022
SAYRE WWTSayre0.35 MGD (million gallons per day)2022
STIGLER MA WWTStigler0.34 MGD (million gallons per day)2022
MARIETTA WWTMarietta0.32 MGD (million gallons per day)2022
MCLOUD PWA WWTMcloud0.31 MGD (million gallons per day)2022
JONES WWTJones0.3 MGD (million gallons per day)2022
CATOOSA WWTCatoosa0.3 MGD (million gallons per day)2022
WESTVILLE UA WWTWestville0.3 MGD (million gallons per day)2022
FAIRVIEW WWTFairview0.3 MGD (million gallons per day)2022
PAWNEE WWTPawnee0.3 MGD (million gallons per day)2022
OOLOGAH PWA WWTOologah0.3 MGD (million gallons per day)2022
WAURIKA WWTWaurika0.28 MGD (million gallons per day)2022
WARNER UA WWTWarner0.28 MGD (million gallons per day)2022
HARTSHORNE WWTHartshorne0.27 MGD (million gallons per day)2022
LEXINGTON PWA WWTLexington0.25 MGD (million gallons per day)2022
CARNEGIE PWA WWTCarnegie0.25 MGD (million gallons per day)2022
HINTON WWTHinton0.25 MGD (million gallons per day)2022
HENNESSEY WWTHennessey0.25 MGD (million gallons per day)2022
PRAGUE WWTPrague0.25 MGD (million gallons per day)2022
KINGSTON WWTKingston0.25 MGD (million gallons per day)2022
CHOUTEAU PWA WWTChouteau0.25 MGD (million gallons per day)2022
ROLAND WWTRoland0.24 MGD (million gallons per day)2022
MORRIS NORTHWEST WWTMorris0.24 MGD (million gallons per day)2022
WALTERS WWTWalters0.23 MGD (million gallons per day)2022
INOLA WWTInola0.23 MGD (million gallons per day)2022
STROUD UA NORTH WWTStroud0.22 MGD (million gallons per day)2022
MAYSVILLE WWTMaysville0.22 MGD (million gallons per day)2022
GRANITE PWA WWTGranite0.22 MGD (million gallons per day)2022
CHELSEA WWTChelsea0.22 MGD (million gallons per day)2022
CACHE WWTCache0.214 MGD (million gallons per day)2022
COALGATE PWA WWTCoalgate0.21 MGD (million gallons per day)2022
FAIRFAX PWA WWTFairfax0.206 MGD (million gallons per day)2022
WAUKOMIS WWTWaukomis0.205 MGD (million gallons per day)2022
BOISE CITY WWTBoise City0.2 MGD (million gallons per day)2022
PANAMA WWTPanama0.2 MGD (million gallons per day)2022
VIAN PWA WWTVian0.2 MGD (million gallons per day)2022
UNION CITY WWTUnion City0.2 MGD (million gallons per day)2022
BEAVER WWTBeaver0.2 MGD (million gallons per day)2022
MEEKER WWTMeeker0.2 MGD (million gallons per day)2022
LANGSTON WWTLangston0.2 MGD (million gallons per day)2022
SPAVINAW PWA WWTSpavinaw0.2 MGD (million gallons per day)2022
COMMERCE WWTCommerce0.2 MGD (million gallons per day)2022
YALE WWTYale0.2 MGD (million gallons per day)2022
MAUD WWTMaud0.2 MGD (million gallons per day)2022
ROGERS CO. #1 WWTClaremore0.2 MGD (million gallons per day)2022
MARLOW EAST WWTMarlow0.2 MGD (million gallons per day)2022
TUTTLE WWTTuttle0.186 MGD (million gallons per day)2022
ELGIN WWTElgin0.185 MGD (million gallons per day)2022
TALIHINA PWA WWTTalihina0.18 MGD (million gallons per day)2022
APACHE WWTApache0.18 MGD (million gallons per day)2022
HOOKER WWTHooker0.18 MGD (million gallons per day)2022
GRANDFIELD WWTGrandfield0.18 MGD (million gallons per day)2022
LOCUST GROVE PWA WWTLocust Grove0.174 MGD (million gallons per day)2022
RYAN UA WWTRyan0.17 MGD (million gallons per day)2022
KONAWA WWTKonawa0.17 MGD (million gallons per day)2022
MOUNDS PWA WWTMounds0.16 MGD (million gallons per day)2022
STRATFORD WWTStratford0.16 MGD (million gallons per day)2022
BUFFALO WWTBuffalo0.16 MGD (million gallons per day)2022
WILSON PWA WWTWilson0.159 MGD (million gallons per day)2022
SOUTH COFFEYVILLE PWA WWTS Coffeyville0.159 MGD (million gallons per day)2022
MEDFORD WWTMedford0.157 MGD (million gallons per day)2022
BARNSDALL STPBarnsdall0.156 MGD (million gallons per day)2022
SNYDER WWTSnyder0.15 MGD (million gallons per day)2022
COMANCHE PWA WWTComanche0.15 MGD (million gallons per day)2022
OKEENE PWA WWTOkeene0.15 MGD (million gallons per day)2022
MINCO WWTMinco0.15 MGD (million gallons per day)2022
GARBER WWTGarber0.15 MGD (million gallons per day)2022
SHATTUCK WWTShattuck0.15 MGD (million gallons per day)2022
RUSH SPRINGS WWTRush Springs0.15 MGD (million gallons per day)2022
VALLIANT WWTValliant0.15 MGD (million gallons per day)2022
MARLOW SOUTHWEST WWTMarlow0.15 MGD (million gallons per day)2022
MARLOW NORTHWEST WWTMarlow0.15 MGD (million gallons per day)2022
FREDERICK IND. PARK WWTFrederick0.15 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.