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Browse Water Systems

16,271 public water systems in OH.

Public Water Systems Database

Browse 16,271 EPA-regulated public water systems with identifiers, population served, and water source type. Use the filters below to narrow results by state, system type, or name.

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System Name PWSID State Type Population Served
MEDINA CO/NORTHWEST PWS OH5201903 Ohio Community 46,324
AQUA OHIO - MARION OH5100414 Ohio Community 46,317
CLEVELAND HEIGHTS CITY PWS OH1800403 Ohio Community 46,000
FAIRFIELD CITY PWS OH0900715 Ohio Community 44,907
DELAWARE CITY PWS OH2100311 Ohio Community 43,895
HUBER HEIGHTS PUBLIC WATER SYSTEM OH5703612 Ohio Community 43,439
SOUTHWEST REGIONAL WATER DISTRICT OH0903912 Ohio Community 42,856
GREENE CO.-NORTHWEST REG WATER OH2903512 Ohio Community 41,000
LAKE COUNTY EAST WATER SUBDISTRICT OH4302911 Ohio Community 40,656
PORTSMOUTH CITY OH7300111 Ohio Community 40,475
LANCASTER CITY PWS OH2301012 Ohio Community 40,400
CANTON WATER DEPT-NORTHEAST OH7601012 Ohio Community 40,000
FINDLAY WATER DEPARTMENT OH3200114 Ohio Community 40,000
WESTERN WATER COMPANY OH8300512 Ohio Community 39,508
WESTERVILLE CITY PWS OH2503411 Ohio Community 39,000
REYNOLDSBURG CITY PWS OH2503203 Ohio Community 37,847
STOW PUBLIC WATER SYSTEM OH7704503 Ohio Community 35,437
ROSS COUNTY WATER CO INC OH7101412 Ohio Community 35,345
HECLA WATER ASSOCIATION OH4401612 Ohio Community 34,942
FAIRBORN PUBLIC WATER SYSTEM OH2900612 Ohio Community 34,620
GAHANNA CITY PWS OH2501303 Ohio Community 33,258
ATHENS PWS OH0500212 Ohio Community 32,725
AQUA OHIO - ASHTABULA OH0400711 Ohio Community 32,408
BROWN COUNTY RURAL WATER OH0802012 Ohio Community 32,090
KINGS ISLAND PWS OH8345615 Ohio Non-Transient Non-Community 31,753
PAINESVILLE CITY PWS OH4301611 Ohio Community 31,728
BOWLING GREEN CITY OH8700311 Ohio Community 31,578
BARBERTON CITY OH7700411 Ohio Community 31,298
BARBERTON WATER DEPARTMENT OH7700414 Ohio Community 30,000
CANTON WATER DEPT-NORTHWEST OH7601022 Ohio Community 30,000
DEL-CO WATER CO/ALUM CR.PLANT OH2100221 Ohio Community 29,928
DEL-CO WATER/OLENTANGY PLANT OH2100211 Ohio Community 29,928
KENT CITY PWS OH6701812 Ohio Community 29,662
NORTH RIDGEVILLE CITY PWS OH4700803 Ohio Community 29,465
ZANESVILLE PWS OH6002712 Ohio Community 29,381
HUBER HEIGHTS-PLANT #1 OH5702012 Ohio Community 29,250
XENIA CITY PWS OH2902812 Ohio Community 29,000
CLERMONT CO/ MGS SUB-DISTRICT OH1300312 Ohio Community 28,600
EAST CLEVELAND CITY PWS OH1800503 Ohio Community 28,500
HIGHLAND COUNTY WATER COMPANY, INC. OH3600514 Ohio Community 28,421
SAN.ENGR,WEST WATER SUBDIST. OH4302416 Ohio Community 27,312
PERRYSBURG CITY OH8701803 Ohio Community 27,000
BELMONT CO. SANITARY DISTRICT 3 PWS OH0700412 Ohio Community 26,822
WOOSTER CITY PWS OH8504512 Ohio Community 26,618
TROY CITY PWS OH5501612 Ohio Community 26,305
MEDINA CITY PWS OH5200514 Ohio Community 25,956
SANDUSKY CITY OH2201411 Ohio Community 25,793
MARYSVILLE CITY PWS OH8000314 Ohio Community 25,571
NAWA OH5553612 Ohio Community 24,766
NORTH CANTON CITY PWS OH7604312 Ohio Community 24,747