Utilities in Ohio
16,338 systems (SDWIS/Fed snapshot). Search or browse pages — open any row for PFAS monitoring, violation counts, and filter recommendations.
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OAK HARBOR VILLAGE
OH6202603 · 4,400 served
OAK HARBOR WATER DEPARTMENT
OH6202615 · 4,000 served
OAK HAVEN RESIDENTIAL CARE
OH6901012 · 46 served
OAK HILL APARTMENTS
OH7202012 · 33 served
OAK HILL MOBILE HOME PARK
OH3000412 · 97 served
OAK HILL MOBILE HOME PK.
OH3000415 · 92 served
OAK HILL, VILLAGE OF
OH4000411 · 3,067 served
OAK HILLS MOBILE HOME PARK
OH2502112 · 505 served
OAK KNOLL BAPTIST CHURCH
OH5139112 · 35 served
OAK KNOLL ESTATES
OH7703212 · 68 served
Oak Knolls Golf - West
OH6778412 · 300 served
OAK MALLETT GOLF CLUB
OH3233112 · 30 served
OAK MANOR MOBILE HOME COURT
OH7602812 · 125 served
OAK OPENINGS - EVERGREEN LAKE
OH4838512 · 95 served
OAK OPENINGS - HORSE CENTER AREA
OH4844012 · 26 served
OAK OPENINGS - LODGE
OH4834912 · 105 served
OAK OPENINGS - MALLARD LAKE
OH4838612 · 100 served
OAK OPENINGS - SPRINGBROOK AREA
OH4840612 · 95 served
OAK OPENINGS - SPRINGBROOK CMPGD
OH4840512 · 50 served
OAK OPENINGS - WHITE OAK
OH4838712 · 100 served
OAK OPENINGS-CONCESSION
OH4838412 · 50 served
OAK PARK ESTATES LLC
OH8502512 · 300 served
OAK PARK LAKE
OH4736712 · 50 served
OAK PARK TAVERN
OH7044012 · 60 served
OAK RIDGE PRESBYTERIAN CHURCH
OH1562412 · 40 served
OAK RIDGE SCHOOL
OH7936812 · 27 served
OAK TREE HEIRLOOMS
OH7430812 · 175 served
OAK VIEW SCHOOL
OH2852212 · 30 served
OAKDALE CAMP
OH4635912 · 150 served
OAKDALE CAMP
OH4644812 · 2 served
OAKDALE HOMEOWNER ASSOCIATION
OH1600912 · 25 served
OAKDALE WATER DISTRICT
OH6402403 · 250 served
OAKLAND CHURCH OF BRETHREN
OH1942812 · 325 served
OAKLAND CHURCH OF THE BRETHREN
OH1945812 · 94 served
OAKLAND GROCERY PWS
OH2347912 · 100 served
OAKLAND PARK CONSERVATION CLUB
OH5941012 · 400 served
OAKLAND PARK CONSERVATION CLUB
OH5936312 · 100 served
OAKLEAF MOBILE HOME PARK
OH7703312 · 75 served
OAKRIDGE REAL ESTATE
OH0248612 · 50 served
OAKSHADE APARTMENTS
OH2633212 · 25 served
OAKTHORPE CHURCH PWS
OH2351612 · 75 served
OAKTREE GOLF CLUB PWS
OH7051812 · 190 served
OAKVIEW VETERINARY HOSPITAL
OH5545212 · 45 served
OAKWOOD ACRES MOBILE HOME PARK
OH4900912 · 120 served
OAKWOOD CITY PWS
OH5701915 · 9,572 served
OAKWOOD COUNTRY CLUB
OH7666212 · 10 served
OAKWOOD CROSSING MHP
OH7003812 · 200 served
OAKWOOD MHP
OH8601212 · 180 served
OAKWOOD VILLAGE MHP
OH5703715 · 1,500 served
OAKWOOD VILLAGE PWS
OH6300312 · 727 served