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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
OKC-NORTH CANADIAN WWTJones80 MGD (million gallons per day)2022
TULSA SOUTHSIDE WWTTulsa42.5 MGD (million gallons per day)2022
TULSA NORTHSIDE WWTTulsa40.1 MGD (million gallons per day)2022
LAWTON WWTLawton18 MGD (million gallons per day)2022
HAIKEY CREEK WWTBroken Arrow16 MGD (million gallons per day)2022
OKC-DEER CREEK WWTOklahoma City15 MGD (million gallons per day)2022
MUSKOGEE UA WWTMuskogee13.74 MGD (million gallons per day)2022
MIDWEST CITY WWTOklahoma City12.3 MGD (million gallons per day)2022
NORMAN (MAIN) WWTNorman12 MGD (million gallons per day)2022
BROKEN ARROW (LYNN LANE) WWTBroken Arrow12 MGD (million gallons per day)2022
STILLWATER WWTStillwater10 MGD (million gallons per day)2022
OKC-CHISHOLM CREEK WWTEdmond9.68 MGD (million gallons per day)2022
PONCA CITY MUNICIPAL WWTPonca City9 MGD (million gallons per day)2022
ENID WWTEnid8.5 MGD (million gallons per day)2022
EDMOND COFFEE CREEK WWTEdmond8 MGD (million gallons per day)2022
BARTLESVILLE WWTBartlesville7 MGD (million gallons per day)2022
OKC SOUTH CANADIAN WWTOklahoma City6 MGD (million gallons per day)2022
ARDMORE CENTRAL WWTArdmore5.9 MGD (million gallons per day)2022
GUYMON UA NORTHEAST WWTGuymon5.5 MGD (million gallons per day)2022
TAHLEQUAH STPTahlequah5.27 MGD (million gallons per day)2022
MOORE WWTNorman4.5 MGD (million gallons per day)2022
OWASSO PWA WWTOwasso4.2 MGD (million gallons per day)2022
OKMULGEE WWTOkmulgee4.15 MGD (million gallons per day)2022
BETHANY-WARR ACRES WWTEdmond3.75 MGD (million gallons per day)2022
DURANT UA WWTDurant3.64 MGD (million gallons per day)2022
ALTUS SE WWTAltus3.5 MGD (million gallons per day)2022
MIAMI SOUTHEAST WWTMiami3.5 MGD (million gallons per day)2022
SAPULPA WWTSapulpa3.5 MGD (million gallons per day)2022
DUNCAN PUA WWTDuncan3.35 MGD (million gallons per day)2022
SALLISAW WWTSallisaw3.25 MGD (million gallons per day)2022
ADA WWTAda3.24 MGD (million gallons per day)2022
CHICKASHA WWTChickasha3 MGD (million gallons per day)2022
SHAWNEE PWA WWT (NORTH)Shawnee3 MGD (million gallons per day)2022
POTEAU PWA WWTPoteau3 MGD (million gallons per day)2022
YUKON STPYukon3 MGD (million gallons per day)2022
EL RENO WWTEl Reno3 MGD (million gallons per day)2022
DEL CITY WWTOklahoma City3 MGD (million gallons per day)2022
CLAREMORE WWTClaremore2.6 MGD (million gallons per day)2022
MCALESTER WEST WWTMcalester2.5 MGD (million gallons per day)2022
BIXBY PWA SOUTH WWTBixby2.5 MGD (million gallons per day)2022
SAND SPRINGS (MAIN) WWTSand Springs2.31 MGD (million gallons per day)2022
HENRYETTA WWTHenryetta2.18 MGD (million gallons per day)2022
MCALESTER EAST WWTMcalester2 MGD (million gallons per day)2022
TULSA LOWER BIRD CREEK WWTCatoosa2 MGD (million gallons per day)2022
ANADARKO PWA WWTAnadarko2 MGD (million gallons per day)2022
WEATHERFORD WWTWeatherford2 MGD (million gallons per day)2022
CHECOTAH PWA WWTChecotah1.9 MGD (million gallons per day)2022
WOODWARD WWTWoodward1.87 MGD (million gallons per day)2022
HUGO MUNICIPAL AUTHORITY WWTHugo1.87 MGD (million gallons per day)2022
FORT GIBSON UA WWTFort Gibson1.8 MGD (million gallons per day)2022
CLINTON PWA WWTClinton1.7 MGD (million gallons per day)2022
PRYOR CREEK WWTPryor1.67 MGD (million gallons per day)2022
IDABEL PWA STPIdabel1.65 MGD (million gallons per day)2022
ELK CITY (MAIN) WWTElk City1.6 MGD (million gallons per day)2022
BLACKWELL WWTBlackwell1.6 MGD (million gallons per day)2022
SULPHUR WWTSulphur1.5 MGD (million gallons per day)2022
STILWELL ADA WWTStilwell1.5 MGD (million gallons per day)2022
MUSTANG WWTMustang1.5 MGD (million gallons per day)2022
VINITA WWTVinita1.5 MGD (million gallons per day)2022
GLENPOOL USA WWTGlenpool1.44 MGD (million gallons per day)2022
GUTHRIE PWA WWTGuthrie1.35 MGD (million gallons per day)2022
GUYMON UA NORTH WWTGuymon1.3 MGD (million gallons per day)2022
CUSHING WWTCushing1.12 MGD (million gallons per day)2022
JAY UA WWTJay1.1 MGD (million gallons per day)2022
JENKS PWA WWTJenks1.1 MGD (million gallons per day)2022
BROKEN BOW PWA WWTBroken Bow1 MGD (million gallons per day)2022
GROVE MSA WWTGrove0.97 MGD (million gallons per day)2022
ALTUS SW WWTAltus0.95 MGD (million gallons per day)2022
HARRAH WWTHarrah0.95 MGD (million gallons per day)2022
BRISTOW WWTBristow0.945 MGD (million gallons per day)2022
WAGONER PWA WWTWagoner0.94 MGD (million gallons per day)2022
SKIATOOK (HOMINY CREEK) WWTSkiatook0.9 MGD (million gallons per day)2022
PAULS VALLEY WWTPauls Valley0.9 MGD (million gallons per day)2022
WILBURTON PWA WWTWilburton0.9 MGD (million gallons per day)2022
COWETA WWTCoweta0.9 MGD (million gallons per day)2022
KINGFISHER PWA WWTKingfisher0.8 MGD (million gallons per day)2022
HOLDENVILLE PWA WWTHoldenville0.8 MGD (million gallons per day)2022
CHANDLER MA WWTChandler0.8 MGD (million gallons per day)2022
ANTLERS WWTAntlers0.8 MGD (million gallons per day)2022
CHOCTAW WWTChoctaw0.77 MGD (million gallons per day)2022
COLLINSVILLE MA WWTCollinsville0.77 MGD (million gallons per day)2022
ALVA WWTAlva0.77 MGD (million gallons per day)2022
NOBLE WWTNoble0.76 MGD (million gallons per day)2022
WYNNEWOOD WWTWynnewood0.75 MGD (million gallons per day)2022
MADILL PWA WWTMadill0.75 MGD (million gallons per day)2022
SEMINOLE WWTSeminole0.74 MGD (million gallons per day)2022
PERRY WWTPerry0.66 MGD (million gallons per day)2022
HEAVENER UA WWTHeavener0.65 MGD (million gallons per day)2022
PURCELL WWTPurcell0.65 MGD (million gallons per day)2022
TECUMSEH UA WWTTecumseh0.6 MGD (million gallons per day)2022
DRUMRIGHT UT WWTDrumright0.57 MGD (million gallons per day)2022
Lone Grove (Main) WWTPLone Grove0.564 MGD (million gallons per day)2022
FREDERICK WWTFrederick0.55 MGD (million gallons per day)2022
NEWCASTLE PWA WWTNewcastle0.54 MGD (million gallons per day)2022
NOWATA MA WWTNowata0.53 MGD (million gallons per day)2022
PAWHUSKA WWTPawhuska0.52 MGD (million gallons per day)2022
OKEMAH PWA WWTOkemah0.52 MGD (million gallons per day)2022
KREBS UA WWTKrebs0.51 MGD (million gallons per day)2022
STROUD UA SOUTH WWTStroud0.5 MGD (million gallons per day)2022
MANNFORD PWA MAIN WWTMannford0.5 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.