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 |
| MIDWEST EXPRESS 2B FRONT PWS | EAST LIBERTY, OH | 50 | 8 | — |
| BUCKEYE AT THE LAKE | LAKEVIEW, OH | 50 | 53 | — |
| STITES PWS | BELLEFONTAINE, OH | 50 | 18 | — |
| LAKEVIEW CLARK | LAKEVIEW, OH | 50 | 43 | — |
| PIRATES COVE AT INDIAN LAKE PWS | RUSSELLS POINT, OH | 50 | 35 | — |
| THE ROOTBEER STAND AT INDIAN LAKE | BELLE CENTER, OH | 50 | 12 | — |
| BOBBER'S DRIVE THRU & DELI PWS | BELLEFONTAINE, OH | 50 | 32 | — |
| THE HAVEN LOUNGE | MONCLOVA, OH | 50 | 133 | — |
| OAK OPENINGS - SPRINGBROOK CMPGD | TOLEDO, OH | 50 | 95 | — |
| LAFAYETTE UNITED METHODIST CHURCH PWS | LONDON, OH | 50 | 3 | — |
| COMMUNITY FREEWILL BAPTIST CHURCH | WEST JEFFERSON, OH | 50 | 122 | — |
| LONDON BAPTIST CHURCH | LONDON, OH | 50 | 12 | — |
| VAUGHN C. DARDING, D.C. | WEST JEFFERSON, OH | 50 | 65 | — |
| ISLAND CREEK HOMEOWNERS | BELOIT, OH | 50 | 82 | — |
| SHILLING MILL TAVERN | BERLIN CENTER, OH | 50 | 109 | — |
| EAST GOSHEN FRIENDS CHURCH | BELOIT, OH | 50 | 21 | — |
| ELLSWORTH COMMUNITY CHURCH | SALEM, OH | 50 | 16 | — |
| HIGH POINTE ASSEMBLY OF GOD PWS | LOWELLVILLE, OH | 50 | 11 | — |
| NORTH BENTON DAIRY BAR PWS | NORTH BENTON, OH | 50 | 20 | — |
| ELGIN HIGH SCHOOL - GYM | MARION, OH | 50 | 176 | — |
| ENTERPRISE BAPTIST CHURCH | MARION, OH | 50 | 180 | — |
| GRAND PRAIRIE FARM MARKET | MARION, OH | 50 | 34 | — |
| BRUNSWICK HILLS MHP | SEATTLE, OH | 50 | 371 | — |
| HINCKLEY HILLS GOLF COURSE INC.-CLUBHOUS | HINCKLEY, OH | 50 | 19 | — |
| FAMILY TAVERN | BRUNSWICK, OH | 50 | 72 | — |
| STYX HILL CROSSING | MEDINA, OH | 50 | 4 | — |
| WHITE TIMBERS | TIFFIN, OH | 50 | 0 | — |
| LOCK 24 RV PARK | RACINE, OH | 50 | 66 | — |
| WOODHAVEN MHP PWS | CELINA, OH | 50 | 35 | — |
| BAYVIEW WATER ASSOCIATION | CELINA, OH | 50 | 92 | — |
| ST PAULS COUNTRY CHURCH OF ROCKFORD | CELINA, OH | 50 | 14 | — |
| MARIA STEIN SHRINE | MARIA STEIN, OH | 50 | 87 | — |
| A AND R RECK MOBILE HOME PARK | BRADFORD, OH | 50 | 469 | — |
| TROY FISH AND GAME CLUB | TROY, OH | 50 | 18 | — |
| GINGHAMSBURG UMC SOUTH PWS | TIPP CITY, OH | 50 | 141 | — |
| HOMESTEAD GOLF COURSE RESTROOM PWS | TIPP CITY, OH | 50 | 98 | — |
| LAKE OF THE WOODS 1 HILLBROOK | FARMERSVILLE, OH | 50 | 45 | — |
| LAKE OF THE WOODS 2 LAKE | FARMERSVILLE, OH | 50 | 72 | — |
| TEMPLE BAPTIST CHURCH CARLISLE | CARLISLE, OH | 50 | 353 | — |
| TUKENS ORCHARD AND FARM MARKET | WEST ALEXANDRIA, OH | 50 | 5 | — |
| HIDDEN HIDEAWAY CAMPGROUND WEST | PORT CLINTON, OH | 50 | 20 | — |
| SUPERIOR MADE RV RESORT | SWANTON, OH | 50 | 113 | — |
| ROBERTS TRAILER PARK | DURHAM, OH | 50 | 79 | — |
| TONYS CONEYS PWS | GROVE CITY, OH | 50 | 36 | — |
| HIDDEN VALLEY CAMPGROUND | RAVENNA, OH | 50 | 20 | — |
| PARIS INN | RAVENNA, OH | 50 | 5 | — |
| RANDOLPH FAIR 1 OFFICE | RANDOLPH, OH | 50 | 25 | — |
| RANDOLPH TOWN HALL | RANDOLPH, OH | 50 | 39 | — |
| VICTORY BAPTIST TEMPLE | BRIMFIELD, OH | 50 | 16 | — |
| CAMP ASBURY- SHAW | HIRAM, OH | 50 | 48 | — |