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Utility name City People served
Adams County Regional WD PWS West Union Population served: 19,194
Akron City Public Water System Kent Population served: 280,000
Alliance City PWS Alliance Population served: 22,232
Amherst City PWS Amherst Population served: 11,797
Aqua Ohio - Ashtabula Mentor Population served: 39,838
Aqua Ohio - City of Massillon Massillon Population served: 90,000
Aqua Ohio - Marion Marion Population served: 41,925
Aqua Ohio - Struthers Struthers Population served: 47,000
Aqua Ohio - Tiffin Tiffin Population served: 17,963
Aqua Ohio Inc. - Mentor Mentor Population served: 83,000
Ashland City Ashland Population served: 20,648
Ashtabula County Water System Jefferson Population served: 14,200
Athens PWS Athens Population served: 24,024
Aurora City - Cleveland PWS Aurora Population served: 15,852
Avon City PWS Avon Population served: 23,000
Avon Lake City PWS Avon Lake Population served: 22,998
Barberton City Norton Population served: 29,550
Bedford City PWS Bedford Population served: 13,074
Bellefontaine City PWS Bellefontaine Population served: 13,370
Belmont County Sanitary District 3 PWS Bellaire Population served: 24,387
Berea City PWS Berea Population served: 17,900
Bexley City PWS Bexley Population served: 13,650
Bowling Green City Bowling Green Population served: 31,216
Brown County Rural Water Ripley Population served: 22,818
Buckeye Water District - Ohio River Wellsville Population served: 10,300
Bucyrus City Bucyrus Population served: 12,362
Butler County Water District 2 Public Water System Hamilton Population served: 109,988
Canton Public Water System Canton Population served: 98,260
Celina City Celina Population served: 11,682
Chillicothe City PWS Chillicothe Population served: 21,899
Cincinnati Public Water System Cincinnati Population served: 749,000
Circleville City PWS Circleville Population served: 13,444
City of Cambridge Cambridge Population served: 10,635
City of Lakewood Lakewood Population served: 52,100
City of Lorain Lorain Population served: 64,152
City of Springfield Springfield Population served: 59,357
City of Steubenville Steubenville Population served: 19,941
City of Toledo Toledo Population served: 360,000
Clermont Public Water System Batavia Population served: 113,000
Cleveland Heights City PWS Cleveland Heights Population served: 46,000
Cleveland Public Water System Cleveland Population served: 1,262,955
Columbus Public Water System Columbus Population served: 1,159,817
Conneaut Conneaut Population served: 12,841
Coshocton PWS Coshocton Population served: 11,204
Cuyahoga Falls City PWS Cuyahoga Falls Population served: 49,652
Dayton Public Water System Dayton Population served: 141,359
Defiance City Defiance Population served: 16,494
Del-Co Water Company Inc. Delaware Population served: 141,407
Delaware City PWS Delaware Population served: 34,982
Dover City PWS Dover Population served: 12,826
Earnhart Hill Water District PWS Circleville Population served: 10,251
East Liverpool City East Liverpool Population served: 11,195
Elyria Water Department Lorain Population served: 68,000
Englewood City PWS Englewood Population served: 12,500
Erie County Perkins District Sandusky Population served: 27,192
Fairborn Public Water System Fairborn Population served: 32,352
Fairfield City PWS Fairfield Population served: 42,647
Fairfield County Utilities PWS Carroll Population served: 12,882
Findlay City Findlay Population served: 41,202
Fostoria City Fostoria Population served: 13,441
Franklin Public Water System Franklin Population served: 11,396
Fremont City Fremont Population served: 16,677
Gahanna City PWS Gahanna Population served: 33,323
Galion City Galion Population served: 10,175
Gallia CCounty o Rural Water Association Gallipolis Population served: 20,546
Girard City PWS Girard Population served: 15,000
Greene County. - Northwest Reg. Water Xenia Population served: 37,403
Greenville City PWS Greenville Population served: 13,223
Hamilton Public Water System Hamilton Population served: 62,477
Hecla Water Association-Plant PWS Ironton Population served: 33,042
Highland County Water Company, Inc. Hillsboro Population served: 32,087
Huber Heights Public Water System Huber Heights Population served: 38,278
Indian Hill City PWS Cincinnati Population served: 15,000
Ironton PWS Ironton Population served: 11,129
Jackson County Water Company-WTP Jackson Population served: 13,759
Jefferson County W and S District - M Wintersville Population served: 13,983
Kent City PWS Kent Population served: 28,904
Lake County East Water Subdistrict Painesville Population served: 37,456
Lake County West Water Subdistrict Painesville Population served: 78,379
Lancaster City PWS Lancaster Population served: 40,400
Le-ax Regional Water District PWS Athens Population served: 19,311
Lebanon City Lebanon Population served: 20,500
Lima City Lima Population served: 65,619
Little Hocking Water/sewer Association Little Hocking Population served: 12,522
Loveland City PWS Loveland Population served: 12,800
Mansfield City Mansfield Population served: 51,000
Marietta City PWS Marietta Population served: 18,707
Marysville City PWS Marysville Population served: 22,800
Maumee City Maumee Population served: 14,227
Medina City PWS Medina Population served: 26,533
Medina Co/Northwest PWS Medina Population served: 40,029
Miamisburg City PWS Miamisburg Population served: 20,000
Middletown City PWS Middletown Population served: 48,694
Monroe City PWS Monroe Population served: 13,061
Montgomery County Water Services Kettering Population served: 96,498
Montgomery County Water Services 1 Public Water System Kettering Population served: 164,307
Mount Vernon City PWS Mount Vernon Population served: 17,837
Muskingum County Water - NW Zanesville Population served: 11,102
Muskingum County Water and Sewer Zanesville Population served: 10,788
NAWA Tipp City Population served: 24,766
New Philadelphia City PWS New Philadelphia Population served: 17,288
Newark City PWS Newark Population served: 47,573
Niles City PWS Niles Population served: 20,684
North Canton City PWS North Canton Population served: 17,404
North Ridgeville City PWS North Ridgeville Population served: 29,465
Northern Ohio Rural Water Collins Population served: 17,080
Northwest Regional Water District Mcdermott Population served: 12,798
Northwestern W and SD - Toledo Svce Area Bowling Green Population served: 15,600
Norwalk City Norwalk Population served: 17,012
Norwood City PWS Norwood Population served: 19,997
Oregon City Oregon Population served: 20,291
Ottawa County Regional Water District Port Clinton Population served: 17,348
Oxford City PWS Oxford Population served: 22,500
Painesville City PWS Painesville Population served: 24,480
Perrysburg City Water Perrysburg Population served: 27,000
Pickerington City PWS Pickerington Population served: 19,316
Pike Water, Inc.- Plant PWS Waverly Population served: 18,490
Piqua City PWS Piqua Population served: 20,522
Portsmouth Public Water System Portsmouth Population served: 40,475
Ravenna City PWS Ravenna Population served: 14,000
Reynoldsburg City PWS Reynoldsburg Population served: 35,893
Ross County Water Company Inc. PWS Chillicothe Population served: 34,625
Rural Lorain County Water Authority Lagrange Population served: 71,074
Salem City Salem Population served: 16,850
Sandusky City Sandusky Population served: 25,793
Scioto County Regional Water District #1 Lucasville Population served: 13,820
Scioto Water, Inc.-Rose Hill Franklin Furnace Population served: 12,322
Sidney City PWS Sidney Population served: 21,229
Southwest Licking Community Water Etna Population served: 12,088
Southwest Regional Water District Hamilton Population served: 41,831
Springboro PWS Springboro Population served: 17,500
St Marys City St. Marys Population served: 10,001
Stow Public Water System Stow Population served: 34,394
Streetsboro City PWS Streetsboro Population served: 13,185
Sylvania City Sylvania Population served: 21,444
Tallmadge City PWS Tallmadge Population served: 17,900
Tate-Monroe Water Association PWS New Richmond Population served: 31,791
Trenton City PWS Trenton Population served: 12,000
Troy City PWS Troy Population served: 27,000
Tupper Plains/Chester Water District Reedsville Population served: 15,602
Urbana City PWS Urbana Population served: 11,500
Van Wert City Van Wert Population served: 10,846
Vermilion City Vermiliion Population served: 10,594
Wadsworth City PWS Wadsworth Population served: 21,567
Wapakoneta City Wapakoneta Population served: 10,867
Warren City PWS Cortland Population served: 46,832
Warren County Franklin Area PWS Lebanon Population served: 29,594
Warren County Richard Renneker PWS Lebanon Population served: 33,801
Warren County Socialville PWS Lebanon Population served: 11,226
Washington Court House PWS Washington Court House Population served: 14,100
West Carrollton City PWS West Carrollton Population served: 12,000
Western Water Company Goshen Population served: 40,651
Westerville City PWS Westerville Population served: 38,000
Wilmington City PWS Wilmington Population served: 12,500
Wooster City PWS Wooster Population served: 26,619
Wright State University Dayton Population served: 21,243
Wright-Patterson AFB Area A PWS Wright Patterson AFB Population served: 16,551
Wright-Patterson AFB Area B PWS Wright Patterson AFB Population served: 11,034
Xenia City PWS Xenia Population served: 26,000
Youngstown City Public Water System Youngstown Population served: 148,000
Zanesville PWS Zanesville Population served: 29,381