Public Water Systems
4,181 active public water systems in OH, tracked from EPA's Safe Drinking Water Information System (SDWIS) across all 50 states. See our methodology.
| System Name | Location | Population | Violations | PFAS |
| CEDAR GROVE CHURCH | NEW PARIS, OH | 125 | 18 | — |
| EAGLES LANDING FARM AND VENUE | GREENVILLE, OH | 125 | 0 | — |
| BROWN BARN LLC | CHARDON, OH | 125 | 60 | — |
| CAMP BERRY [BSA]-CENTRAL AREA | FINDLAY, OH | 125 | 67 | — |
| CIRCLE P RECEPTION HALL | FINDLAY, OH | 125 | 0 | — |
| HARRISON HILLS PENTECOSTAL CHURCH | JEWETT, OH | 125 | 28 | — |
| GOSHEN FRIENDS CHURCH | ZANESFIELD, OH | 125 | 69 | — |
| NX AUTOMOTIVE LOGISTICS BLDG 2 PWS | EAST LIBERTY, OH | 125 | 2 | — |
| RIVER RUN HARBOR PWS | LEWISTOWN, OH | 125 | 0 | — |
| NEW WHITE SWAN RESTAURANT | PROSPECT, OH | 125 | 47 | — |
| SALEM CHURCH OF THE BRETHREN PWS | ENGLEWOOD, OH | 125 | 89 | — |
| FAIR VALLEY COUNTRY CLUB | DAYTON, OH | 125 | 115 | — |
| DAYTON VA BLDG 410 | DAYTON, OH | 125 | 11 | Detected |
| SUNNY HILLS GOLF AND RECREATION | KENT, OH | 125 | 39 | — |
| SUFFIELD FELLOWSHIP CHURCH | SUFFIELD, OH | 125 | 18 | — |
| JOHNSON FARM | MENTOR, OH | 125 | 31 | — |
| CROSSROADS COMMUNITY CHURCH-RAVENNA | RAVENNA, OH | 125 | 58 | — |
| LAKE MARIA CAMPGROUND | LEXINGTON, OH | 125 | 14 | — |
| JR PROPERTIES OF MANSFIELD - SR 430 | MANSFIELD, OH | 125 | 29 | — |
| HEART OF OHIO ATHLETICS | BELLVILLE, OH | 125 | 0 | — |
| ECI INC CORPORATE OFFICE | TIFFIN, OH | 125 | 51 | — |
| MOHAWK GOLF AND COUNTRY CLUB | TIFFIN, OH | 125 | 17 | — |
| LINCOLN SQUARE APARTMENTS | KENT, OH | 125 | 81 | — |
| BEAR CREEK CAMPGROUND | EAST SPARTA, OH | 125 | 59 | — |
| IRONROCK CAPITAL-PLANT | CANTON, OH | 125 | 12 | — |
| WILS GRILLE AND PUB | BARBERTON, OH | 125 | 151 | — |
| CLUTCH LANES | CUYAHOGA FALLS, OH | 125 | 13 | — |
| DOVER BIBLE CHURCH | DOVER, OH | 125 | 23 | — |
| WINFIELD COMMUNITY CHURCH PWS | DOVER, OH | 125 | 47 | — |
| CRANSTON'S PUB | DOYLESTOWN, OH | 125 | 4 | — |
| BISHOP'S RESTAURANT PWS | WOOSTER, OH | 125 | 12 | — |
| DEER CREEK GOLF COURSE | HUBBARD, OH | 124 | 253 | — |
| BLUE BELL BEACH PWS | CLEVES, OH | 123 | 112 | — |
| AQUA OHIO - MANSFIELD SYSTEM #05 | MASSILLON, OH | 123 | 34 | — |
| HECHTS LANDING - MHP | CELINA, OH | 122 | 9 | — |
| BEECHWOOD ISLAND ESTATES | KENT, OH | 122 | 51 | — |
| MEADOW CREEK CONDO ASSOC | KENT, OH | 122 | 15 | — |
| THUNDERBIRD TERRACE MHP | AUSTIN, OH | 122 | 52 | — |
| BEECH MENNONITE CHURCH | LOUISVILLE, OH | 122 | 22 | — |
| ASHLAND DICKEY CHURCH OF THE BRETHREN | ASHLAND, OH | 120 | 6 | — |
| WAGON TRAILS RES - SOUTH WELL | JEFFERSON, OH | 120 | 71 | — |
| CHERRY VALLEY FURNITURE | ANDOVER, OH | 120 | 0 | — |
| GRANDVIEW HEIGHTS CIVIC ASSOCIATION PWS | SAINT PARIS, OH | 120 | 138 | — |
| KINGDOM HALL JEHOVAH WITNESSES OF URBANA | URBANA, OH | 120 | 12 | — |
| LIGHTHOUSE TABERNACLE CH-CHAMPAIGN PWS | SPRINGFIELD, OH | 120 | 39 | — |
| WOODBURY APARTMENTS PWS | DAYTON, OH | 120 | 1,407 | — |
| ROCKY LAKES GOLF COURSE PWS | SPRINGFIELD, OH | 120 | 64 | — |
| Y-INN | ROGERS, OH | 120 | 293 | — |
| W BRANCH ATHLETIC BOOSTER CLUB | BELOIT, OH | 120 | 108 | — |
| LAKE LILA | NEWCOMERSTOWN, OH | 120 | 35 | — |