Ohio water providers — page 2

Find published drinking-water records, providers, and official agency resources for Ohio. Review sources, sample dates, and coverage.

Official drinking-water resources

• Ohio Environmental Protection Agency - Division of Drinking & Ground Waters
• Ohio Drinking Water Viewer

The responsible agency may differ for tribal systems. Record availability and sample dates vary by provider.

Community systems appear first. Sort: Population served · A–Z

Public water systems

4,165 systems in the imported directory. Includes community systems, schools, workplaces, and other public systems.

• Norwalk City PWSOH3901111 · CWS · Population served: 17,466
• New Philadelphia City PWSOH7900812 · CWS · Population served: 17,410
• Erie Co Perkins DistrictOH2200603 · CWS · Population served: 17,241
• City of SteubenvilleOH4102411 · CWS · Population served: 17,000
• Mount Vernon City PWSOH4200812 · CWS · Population served: 16,990
• Salem CityOH1502011 · CWS · Population served: 16,850
• Wright-Patterson Afb Area A PWSOH2903412 · CWS · Population served: 16,551
• Defiance CityOH2000111 · CWS · Population served: 16,494
• Tuppers Plains/Chester Water DistrictOH5300612 · CWS · Population served: 16,087
• Ravenna City PWSOH6703211 · CWS · Population served: 16,000
• Jackson Co. Water Company-WtpOH4002012 · CWS · Population served: 15,984
• Aurora City - Cleveland PWSOH6789112 · CWS · Population served: 15,852
• Monroe City PWSOH0902012 · CWS · Population served: 15,600
• Pike Water, Inc.-Plant PWSOH6602412 · CWS · Population served: 15,487
• Fairfield County Utilities PWSOH2301912 · CWS · Population served: 15,486
• Streetsboro City PWSOH6705003 · CWS · Population served: 15,105
• Indian Hill City PWSOH3101112 · CWS · Population served: 15,000
• Ashtabula County Water SystemOH0400803 · CWS · Population served: 14,757
• Maumee CityOH4800603 · CWS · Population served: 14,286
• Bexley City PWSOH2500103 · CWS · Population served: 14,250
• Girard CityOH7801103 · CWS · Population served: 14,122
• Washington Court House PWSOH2400714 · CWS · Population served: 14,100
• Jefferson Co W And S District - MOH4101103 · CWS · Population served: 13,983
• Circleville City PWSOH6500412 · CWS · Population served: 13,927
• Scioto Co. Regional Water District #1OH7300212 · CWS · Population served: 13,820
• Coshocton PWSOH1600012 · CWS · Population served: 13,537
• Englewood City PWSOH5700812 · CWS · Population served: 13,463
• Fostoria CityOH7400411 · CWS · Population served: 13,441
• Dover City PWSOH7900412 · CWS · Population served: 13,253
• Bellefontaine City PWSOH4600112 · CWS · Population served: 13,249
• Greenville City PWSOH1900714 · CWS · Population served: 13,227
• Warren Co. Socialville PWSOH8304203 · CWS · Population served: 13,216
• Bedford City PWSOH1800003 · CWS · Population served: 13,149
• Trenton City PWSOH0903012 · CWS · Population served: 13,012
• Loveland City PWSOH1300812 · CWS · Population served: 12,800
• East Liverpool CityOH1500811 · CWS · Population served: 12,586
• Bucyrus CityOH1700011 · CWS · Population served: 12,570
• ConneautOH0400411 · CWS · Population served: 12,538
• Wilmington City PWSOH1401211 · CWS · Population served: 12,401
• Amherst City PWSOH4700003 · CWS · Population served: 11,797
• Franklin Public Water SystemOH8300412 · CWS · Population served: 11,690
• City of CelinaOH5400011 · CWS · Population served: 11,682
• Harrison City PWSOH3100812 · CWS · Population served: 11,600
• Urbana City PWSOH1101212 · CWS · Population served: 11,428
• Jefferson Water And Sewer District PWSOH2504012 · CWS · Population served: 11,294
• IrontonOH4400711 · CWS · Population served: 11,129
• Northwest Regional Water DistrictOH7300003 · CWS · Population served: 11,059
• Wright-Patterson Afb Area B PWSOH2903312 · CWS · Population served: 11,034
• Wapakoneta City PWSOH0600712 · CWS · Population served: 11,000
• Van Wert CityOH8100611 · CWS · Population served: 10,846
• Vermilion CityOH2201511 · CWS · Population served: 10,594
• City of CambridgeOH3000111 · CWS · Population served: 10,520
• Galion CityOH1700211 · CWS · Population served: 10,453
• City of Heath PWSOH4500912 · CWS · Population served: 10,310
• Buckeye Water District - Ohio RiverOH1502911 · CWS · Population served: 10,300
• Mid-Ohio WSD - Chrisman Avenue WtpOH4900712 · CWS · Population served: 10,256
• Earnhart Hill Water District PWSOH6500812 · CWS · Population served: 10,057
• Trumbull Co. - Southeast PWSOH7803203 · CWS · Population served: 9,931
• Pataskala CityOH4502512 · CWS · Population served: 9,900
• Little Hocking Water Association, Inc.OH8400212 · CWS · Population served: 9,892
• Wyoming City PWSOH3102212 · CWS · Population served: 9,700
• City of JacksonOH4000111 · CWS · Population served: 9,691
• Northwestern W And Sd - Oregon Wtln 200OH8704203 · CWS · Population served: 9,629
• Oakwood City PWSOH5701915 · CWS · Population served: 9,572
• Reading City PWSOH3101812 · CWS · Population served: 9,506
• Bellbrook Water WorksOH2901112 · CWS · Population served: 9,475
• Shelby CityOH7004511 · CWS · Population served: 9,453
• St Marys CityOH0600612 · CWS · Population served: 9,356
• Canal Winchester City PWSOH2500312 · CWS · Population served: 9,286
• Twin City Water And Sewer District PWSOH7901711 · CWS · Population served: 9,224
• Louisville City PWSOH7603012 · CWS · Population served: 9,186
• Sheffield Lake City PWSOH4701103 · CWS · Population served: 9,108
• Chillicothe Correctional InstitutionOH7101212 · CWS · Population served: 9,000
• Trotwood City PWSOH5702403 · CWS · Population served: 9,000
• Wright State UniversityOH2902012 · CWS · Population served: 8,948
• Guernsey Co. Water Dept.OH3000603 · CWS · Population served: 8,891
• Clark County Northridge PWSOH1201003 · CWS · Population served: 8,874
• Scioto Water Inc.-Rose HillOH7300303 · CWS · Population served: 8,861
• Napoleon CityOH3500811 · CWS · Population served: 8,858
• Bryan City PWSOH8600012 · CWS · Population served: 8,729
• Portage County Water ResourcesOH6702812 · CWS · Population served: 8,606
• Oberlin Water DepartmentOH4700911 · CWS · Population served: 8,600
• Sanitary District #4OH2501003 · CWS · Population served: 8,575
• Hubbard City PWSOH7801415 · CWS · Population served: 8,518
• Orrville City PWSOH8502712 · CWS · Population served: 8,452
• Eaton Public Water SystemOH6801612 · CWS · Population served: 8,400
• Hudson City PWSOH7701612 · CWS · Population served: 8,385
• West Carrollton City PWSOH5702812 · CWS · Population served: 8,361
• Kenton CityOH3300612 · CWS · Population served: 8,360
• Trumbull Co. - Bazetta/ChampionOH7804303 · CWS · Population served: 8,270
• Bellevue CityOH3900011 · CWS · Population served: 8,236
• Aqua Ohio - Lawrence CountyOH4400803 · CWS · Population served: 8,130
• Knox County Water And Wastewater PWSOH4202012 · CWS · Population served: 7,710
• Canfield City PWSOH5000503 · CWS · Population served: 7,706
• Rattlesnake PWSOH2437412 · CWS · Population served: 7,685
• Wauseon City PWSOH2600111 · CWS · Population served: 7,568
• Warren Comm W And S Assn 2OH8402703 · CWS · Population served: 7,215
• Gallipolis PWSOH2700112 · CWS · Population served: 7,134
• Cortland City PWSOH7800512 · CWS · Population served: 7,105
• Delphos CityOH0200412 · CWS · Population served: 7,101