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 |
| VANDALIA CONG JEHOVAH WITNESSES PWS | TIPP CITY, OH | 75 | 28 | — |
| CLEARFORK MARINA | MANSFIELD, OH | 75 | 30 | — |
| GRACE LUTHERAN CHURCH ELMORE | ELMORE, OH | 75 | 51 | — |
| SHADE ACRES CAMPGROUND AND RV PARK | MONROEVILLE, OH | 75 | 107 | — |
| ODNR-DEER CREEK STATE PARK/WR PWS | CONOVER, OH | 75 | 3 | — |
| ODNR-DEER CREEK STATE PARK/ER PWS | CONOVER, OH | 75 | 0 | — |
| MULLIGAN SPRINGS GOLF COURSE PWS | MOGADORE, OH | 75 | 111 | — |
| 1875 WINERY | HARTVILLE, OH | 75 | 0 | — |
| TEMPLED HILLS CAMPGROUND | BELLVILLE, OH | 75 | 50 | — |
| PLEASANT HILL OUTDOOR CENTER | PERRYSVILLE, OH | 75 | 137 | — |
| CORNERSTONE GRACE BRETHREN CH MANSFIELD | MANSFIELD, OH | 75 | 33 | — |
| OLD DOG OUTPOST | MANSFIELD, OH | 75 | 8 | — |
| FREMONT YACHT CLUB | FREMONT, OH | 75 | 110 | — |
| BROOK PARK ESTATES MHP | LIMA, OH | 75 | 350 | — |
| FIRST CHRISTIAN CHURCH | TIFFIN, OH | 75 | 94 | — |
| RIVERS EDGE SPORTS BAR PWS | SIDNEY, OH | 75 | 28 | — |
| PJ'S STOP 47 LLC PWS | PORT JEFFERSON, OH | 75 | 74 | — |
| RIVERSIDE BAR AND GRILL | MASSILLON, OH | 75 | 19 | — |
| OASIS SURGERY CENTER | NORTH CANTON, OH | 75 | 0 | — |
| GRACE COMMUNITY CHURCH OF ALLIANCE | ALLIANCE, OH | 75 | 3 | — |
| NORTH END 2 | HUDSON, OH | 75 | 62 | — |
| FRANKLIN PARK CIVIC CENTER | NEW FRANKLIN, OH | 75 | 104 | — |
| PORTAGE LAKES LIBRARY | AKRON, OH | 75 | 3 | — |
| LIBERTY GREEN PLAZA | AKRON, OH | 75 | 3 | — |
| BIGGINS BIG DIP PWS | BARBERTON, OH | 75 | 15 | — |
| EAST LIBERTY PARK RESTROOMS | GREEN, OH | 75 | 0 | — |
| ELMVIEW PROFESSIONAL PARK 1 PWS | CORTLAND, OH | 75 | 55 | — |
| ELMVIEW PROFESSIONAL PARK 2 PWS | CORTLAND, OH | 75 | 51 | — |
| CEVA LOGISTICS | EAST LIBERTY, OH | 75 | 349 | — |
| SUNDIAL MOBILE HOME PARK | DOVER, OH | 75 | 85 | — |
| D + S HILLCREST PWS | WOOSTER, OH | 75 | 38 | — |
| ECONOLODGE MOTEL | WOOSTER, OH | 75 | 59 | — |
| SCOT INDUSTRIES INC | WOOSTER, OH | 75 | 172 | — |
| PLEASANT RIDGE DUNKARD BRETH CH | WEST UNITY, OH | 75 | 30 | — |
| CHURCH OF THE GOOD SHEPHERD - WAYNE | WAYNE, OH | 75 | 14 | — |
| TEE PEE CAMPGROUND | UPPER SANDUSKY, OH | 75 | 24 | — |
| COMMUNITY GARDENS MHP | GROVE CITY, OH | 74 | 183 | — |
| ALTON RV PARK PWS | GALLOWAY, OH | 74 | 4 | — |
| GRANDVIEW MHP A PWS | MOUNT VERNON, OH | 74 | 30 | — |
| WREN RESTAURANT | OHIO CITY, OH | 74 | 8 | — |
| SCHMIDT MACHINE COMPANY | UPPER SANDUSKY, OH | 74 | 29 | — |
| CAREY CONSERVATION CAMPGROUND | CAREY, OH | 74 | 67 | — |
| HERITAGE SPRINGS CAMPGROUND | VANLUE, OH | 73 | 49 | — |
| HOUSTON PLUMBING PWS | NEWARK, OH | 73 | 205 | — |
| PELICAN COVE | DEERFIELD, OH | 73 | 31 | — |
| EVANS FAMILY RANCH CAMP | NEW CARLISLE, OH | 72 | 46 | — |
| CAMP FREDERICK-DINING | ROGERS, OH | 72 | 26 | — |
| CAMP FREDERICK-CAMPGROUND | ROGERS, OH | 72 | 41 | — |
| GENEVA HILLS - GENEVA LODGE | LANCASTER, OH | 72 | 174 | — |
| DAYTON VA BLDG 320 POD B | DAYTON, OH | 72 | 12 | — |