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

Wastewater treatment plants in United States · Ohio

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808 inventory records · EPA Clean Watersheds Needs Survey 2022

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

808 results

CompareNameNative sizeYear
Coshocton WWTP & Sewer SystemCoshocton4.4 MGD (million gallons per day)2022
Southwest Licking Community WSD WWTP and SewersHebron4.3 MGD (million gallons per day)2022
Oxford WWTP & Sewer SystemOxford4.212 MGD (million gallons per day)2022
Trumbull Co Mosquito Creek WWTPWarren4.2 MGD (million gallons per day)2022
Trumbull Co Meander Creek WWTPMineral Ridge4 MGD (million gallons per day)2022
Circleville WWTP & Sewer SystemCircleville4 MGD (million gallons per day)2022
Marietta WWTP & Sewer SystemMarietta4 MGD (million gallons per day)2022
Salem WWTP & Sewer SystemSalem4 MGD (million gallons per day)2022
Springboro WWTP & Sewer SystemSpringboro4 MGD (million gallons per day)2022
Summit Co Upper Tuscarawas WWTP #36Akron4 MGD (million gallons per day)2022
Tiffin WWTP & Sewer SystemTiffin4 MGD (million gallons per day)2022
Van Wert WWTP & Sewer SystemVan Wert4 MGD (million gallons per day)2022
Wapakoneta WWTP & Sewer SystemWapakoneta4 MGD (million gallons per day)2022
Xenia Glady Run WWTP & SewersXenia4 MGD (million gallons per day)2022
Wilmington WWTP & Sewer SystemWilmington3.88 MGD (million gallons per day)2022
Delphos WWTP & Sewer SystemDelphos3.83 MGD (million gallons per day)2022
Chillicothe WWTP & Sewer SystemChillicothe3.8 MGD (million gallons per day)2022
Ottawa Co Danbury Township WWTPPort Clinton3.8 MGD (million gallons per day)2022
Jackson WWTP & Sewer SystemJackson3.79 MGD (million gallons per day)2022
Bedford Heights WWTP & Sewer SystemCleveland3.6 MGD (million gallons per day)2022
Xenia Ford Rd WWTP & SewersXenia3.6 MGD (million gallons per day)2022
Amherst WWTP & Sewer SystemAmherst3.5 MGD (million gallons per day)2022
Bellefontaine WWTP & Sewer SystemBellefontaine3.5 MGD (million gallons per day)2022
Greenville WWTP & Sewer SystemGreenville3.5 MGD (million gallons per day)2022
Norwalk WWTP & Sewer SystemNorwalk3.5 MGD (million gallons per day)2022
North Royalton WW District ANorth Royalton3.3 MGD (million gallons per day)2022
Sewer District #300 (Hinckley)Hinckley3.25 MGD (million gallons per day)2022
Orrville WWTP & Sewer SystemOrrville3.2 MGD (million gallons per day)2022
Bedford WWTP & Sewer SystemBedford3.2 MGD (million gallons per day)2022
Bucyrus WWTP & Sewer SystemBucyrus3.2 MGD (million gallons per day)2022
Pickerington WWTP & Sewer SystemPickerington3.2 MGD (million gallons per day)2022
East Liverpool WWTP & Sewer SystemEast Liverpool3.1 MGD (million gallons per day)2022
Bryan WWTP & Sewer SystemBryan3.097 MGD (million gallons per day)2022
Cambridge WWTP & Sewer SystemCambridge3 MGD (million gallons per day)2022
Clermont Co Nine Mile Creek WWTPNew Richmond3 MGD (million gallons per day)2022
Conneaut WWTP & Sewer SystemConneaut3 MGD (million gallons per day)2022
Dover WWTP & Sewer SystemDover3 MGD (million gallons per day)2022
Fairfield Co Tussing Road WRFPickerington3 MGD (million gallons per day)2022
Saint Marys WWTP & Sewer SystemSaint Marys3 MGD (million gallons per day)2022
Ravenna WWTP & Sewer SystemRavenna2.8 MGD (million gallons per day)2022
Galion WWTP & Sewer SystemGalion2.7 MGD (million gallons per day)2022
Archbold WWTP & Sewer SystemArchbold2.5 MGD (million gallons per day)2022
Vermilion WWTP & Sewer SystemVermilion2.5 MGD (million gallons per day)2022
Napoleon WWTP & Sewer SystemNapoleon2.5 MGD (million gallons per day)2022
Celina WWTP & Sewer SystemCelina2.5 MGD (million gallons per day)2022
Englewood WWTP & Sewer SystemEnglewood2.5 MGD (million gallons per day)2022
Shelby WWTP & Sewer SystemShelby2.5 MGD (million gallons per day)2022
Canal Winchester WWTP & SewersCanal Winchester2.48 MGD (million gallons per day)2022
Bellevue WWTP & Sewer SystemBellevue2.4 MGD (million gallons per day)2022
Kenton WWTP & Sewer SystemKenton2.4 MGD (million gallons per day)2022
Columbiana WWTP & Sewer SystemColumbiana2.34 MGD (million gallons per day)2022
Harrison WWTP & Sewer SystemHarrison2.3 MGD (million gallons per day)2022
Pickaway Correctional InstituteOrient2.3 MGD (million gallons per day)2022
Lawrence Co Union-Rome SD WWTPChesapeake2.23 MGD (million gallons per day)2022
Minster WWTP & Sewer SystemMinster2.15 MGD (million gallons per day)2022
Hubbard WWTP & Sewer SystemHubbard2.1 MGD (million gallons per day)2022
Strongsville B WWTP & SewersStrongsville2.1 MGD (million gallons per day)2022
Allen Co Shawnee #2 WWTPShawnee2 MGD (million gallons per day)2022
Geneva WWTP & Sewer SystemGeneva2 MGD (million gallons per day)2022
Clark Co Southwest Regional WWTPMedway2 MGD (million gallons per day)2022
Clermont Co Wards Corners WWTPMiamiville2 MGD (million gallons per day)2022
Erie Co Huron Basin WWTPHuron2 MGD (million gallons per day)2022
Lancaster Upper Hocking WWTPLancaster2 MGD (million gallons per day)2022
Licking Co Buckeye Lake SD #1Buckeye Lake2 MGD (million gallons per day)2022
Louisville WWTP & Sewer SystemLouisville2 MGD (million gallons per day)2022
Port Clinton WWTP & Sewer SystemPort Clinton2 MGD (million gallons per day)2022
Upper Sandusky WWTP & Sewer SystemUpper Sandusky2 MGD (million gallons per day)2022
Clyde WWTP & Sewer SystemClyde1.9 MGD (million gallons per day)2022
Bluffton WWTP & SewersBluffton1.9 MGD (million gallons per day)2022
Mahoning Co Campbell WWTPCampbell1.9 MGD (million gallons per day)2022
Eaton WWTP & Sewer SystemEaton1.9 MGD (million gallons per day)2022
Portage Co Franklin Hills WWTPKent1.875 MGD (million gallons per day)2022
Chardon WWTP & Sewer SystemChardon1.81 MGD (million gallons per day)2022
Geauga Co McFarland Creek WWTPBainbridge1.8 MGD (million gallons per day)2022
South Point WWTP & Sewer SystemSouth Point1.8 MGD (million gallons per day)2022
Strongsville C WWTP & SewersStrongsville1.8 MGD (million gallons per day)2022
Waverly WWTP & Sewer SystemWaverly1.8 MGD (million gallons per day)2022
Marion Co Sewer District #7 Water Reclamation PlantMarion1.75 MGD (million gallons per day)2022
Heath WWTP & Sewer SystemHeath1.75 MGD (million gallons per day)2022
Ironton WWTP & Sewer SystemIronton1.7 MGD (million gallons per day)2022
Ottawa WWTP & Sewer SystemOttawa1.7 MGD (million gallons per day)2022
Twin City WWTP & SewersUhrichsville1.7 MGD (million gallons per day)2022
Greenfield WWTP & Sewer SystemGreenfield1.64 MGD (million gallons per day)2022
Rittman WWTP & Sewer SystemRittman1.6 MGD (million gallons per day)2022
Gallipolis WWTP & Sewer SystemGallipolis1.6 MGD (million gallons per day)2022
Logan WWTP & Sewer SystemLogan1.6 MGD (million gallons per day)2022
MSD Indian Creek Drainage BasinNorth Bend1.51 MGD (million gallons per day)2022
Allen Co American Bath WWTPLima1.5 MGD (million gallons per day)2022
Aurora Central WWTP & SewersAurora1.5 MGD (million gallons per day)2022
Aurora Westerly WWTP & SewersAurora1.5 MGD (million gallons per day)2022
Belpre WWTP & Sewer SystemBelpre1.5 MGD (million gallons per day)2022
Canal Fulton WWTP & Sewer SystemCanal Fulton1.5 MGD (million gallons per day)2022
Grafton WWTP & Sewer SystemGrafton1.5 MGD (million gallons per day)2022
Hebron WWTP & Sewer SystemHebron1.5 MGD (million gallons per day)2022
Hillsboro WWTP & Sewer SystemHillsboro1.5 MGD (million gallons per day)2022
Lexington WWTP & Sewer SystemMansfield1.5 MGD (million gallons per day)2022
Newton Falls WWTP & Sewer SystemNewton Falls1.5 MGD (million gallons per day)2022
Oberlin WWTP & Sewer SystemOberlin1.5 MGD (million gallons per day)2022
Sebring WWTP & Sewer SystemSebring1.5 MGD (million gallons per day)2022
Wauseon WWTP & Sewer SystemWauseon1.5 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.