Browse Water Systems

16,110 public water systems in OH.

Public Water Systems Database

Browse 16,110 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
INDIAN HILL CITY PWS OH3101112 Ohio Community 15,000
VANDALIA CITY PWS OH5702603 Ohio Community 15,000
ASHTABULA COUNTY WATER SYSTEM OH0400803 Ohio Community 14,757
MAUMEE CITY OH4800603 Ohio Community 14,286
BEXLEY CITY PWS OH2500103 Ohio Community 14,250
GIRARD CITY OH7801103 Ohio Community 14,122
WASHINGTON COURT HOUSE PWS OH2400714 Ohio Community 14,100
JEFFERSON CO W AND S DISTRICT - M OH4101103 Ohio Community 13,983
CIRCLEVILLE CITY PWS OH6500412 Ohio Community 13,927
SCIOTO CO. REGIONAL WATER DISTRICT #1 OH7300212 Ohio Community 13,820
COSHOCTON PWS OH1600012 Ohio Community 13,537
ENGLEWOOD CITY PWS OH5700812 Ohio Community 13,463
FOSTORIA CITY OH7400411 Ohio Community 13,441
DOVER CITY PWS OH7900412 Ohio Community 13,253
BELLEFONTAINE CITY PWS OH4600112 Ohio Community 13,249
GREENVILLE CITY PWS OH1900714 Ohio Community 13,227
BEDFORD CITY PWS OH1800003 Ohio Community 13,149
TRENTON CITY PWS OH0903012 Ohio Community 13,012
WATER SUPT,THIMBLE CREEK SD OH5701703 Ohio Community 12,856
LOVELAND CITY PWS OH1300812 Ohio Community 12,800
EAST LIVERPOOL CITY OH1500811 Ohio Community 12,586
BUCYRUS CITY OH1700011 Ohio Community 12,570
CONNEAUT OH0400411 Ohio Community 12,538
WILMINGTON CITY PWS OH1401211 Ohio Community 12,401
AMHERST CITY PWS OH4700003 Ohio Community 11,797
WATER SUPT,MEADOWDALE SWD. OH5701403 Ohio Community 11,704
FRANKLIN PUBLIC WATER SYSTEM OH8300412 Ohio Community 11,690
CELINA, CITY OF OH5400011 Ohio Community 11,682
SUPT,CIRCLEVILLE WATER DEPT. OH6500414 Ohio Community 11,682
HARRISON CITY PWS OH3100812 Ohio Community 11,600
URBANA CITY PWS OH1101212 Ohio Community 11,428
UH - CLEVELAND MEDICAL CENTER OH1841113 Ohio Non-Transient Non-Community 11,395
JEFFERSON WATER AND SEWER DISTRICT PWS OH2504012 Ohio Community 11,294
SAN.ENGR,EAST WATER SUBDIST. OH4302916 Ohio Community 11,200
IRONTON OH4400711 Ohio Community 11,129
NORTHWEST REGIONAL WATER DISTRICT OH7300003 Ohio Community 11,059
HDMA - BENTON RD PWS OH8035512 Ohio Non-Transient Non-Community 11,025
MASON, CITY OF - SOUTH OH8304312 Ohio Community 11,000
MASON, CITY OF OH8300812 Ohio Community 11,000
WAPAKONETA CITY PWS OH0600712 Ohio Community 11,000
VAN WERT CITY OH8100611 Ohio Community 10,846
VERMILION CITY OH2201511 Ohio Community 10,594
CAMBRIDGE, CITY OF OH3000111 Ohio Community 10,520
GALION CITY OH1700211 Ohio Community 10,453
CITY OF HEATH PWS OH4500912 Ohio Community 10,310
BUCKEYE WATER DISTRICT - OHIO RIVER OH1502911 Ohio Community 10,300
MID-OHIO WSD - CHRISMAN AVENUE WTP OH4900712 Ohio Community 10,256
HAMILTON/NORTH WATER PLANT OH0901012 Ohio Community 10,080
EARNHART HILL WATER DISTRICT PWS OH6500812 Ohio Community 10,057
WILLIAM ARTER,SECY,HARTFORD FR OH4552212 Ohio Transient Non-Community 10,000