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 |
| Rosabella Winery | Austinburg, OH | 60 | 7 | - |
| Garden of Love Church | Lima, OH | 60 | 15 | - |
| Camp Presmont Inc. | Cadiz, OH | 60 | 48 | - |
| Mt Pleasant United Methodist Church PWS | Carrollton, OH | 60 | 0 | - |
| Lakeland Golf Club | Saint Paris, OH | 60 | 14 | - |
| Saint Paris Church of Nazarene PWS | Saint Paris, OH | 60 | 82 | - |
| Parker Trutec West PWS | Urbana, OH | 60 | 8 | - |
| Arise in Christ | Donnelsville, OH | 60 | 57 | - |
| Premier Park Estates LLC | Minerva, OH | 60 | 207 | - |
| Avalon Family Restaurant | Hanoverton, OH | 60 | 61 | - |
| Hanoverton Christian Church | Hanoverton, OH | 60 | 28 | - |
| Barnetts Motel PWS | Salem, OH | 60 | 7 | - |
| Salem Bible Church | Salem, OH | 60 | 34 | - |
| Cooks Corner PWS | Columbiana, OH | 60 | 5 | - |
| Hickory Flat Golf Course | West Lafayette, OH | 60 | 48 | - |
| Keene United Methodist Church PWS | Coshocton, OH | 60 | 64 | - |
| Pearl Valley Cheese, Inc | Fresno, OH | 60 | 0 | - |
| Twenty One Barrels, Ltd PWS | Bradford, OH | 60 | 0 | - |
| Art Sense | Centerville, OH | 60 | 0 | - |
| Farmer Union Church | Mark Center, OH | 60 | 101 | - |
| Brookdale Mobile Home Park | Lancaster, OH | 60 | 72 | - |
| Buffalo Lick | Carroll, OH | 60 | 120 | - |
| Charles Alley Memorial Park PWS | Lancaster, OH | 60 | 16 | - |
| Pleasant Chapel Church of God PWS | Lanc Aster, OH | 60 | 13 | - |
| Rager Road Church of Christ PWS | Canal Winchester, OH | 60 | 17 | - |
| Ahmadiyya Mosque PWS | Groveport, OH | 60 | 22 | - |
| Chesterland Baptist Church | Chesterland, OH | 60 | 45 | - |
| Geauga Parks - Veterans Legacy Woods | Chardon, OH | 60 | 131 | - |
| Centerville Mills Lakeside Center | Chagrin Falls, OH | 60 | 77 | - |
| Multi-Wing America, Inc. | Burton, OH | 60 | 106 | - |
| First Congregational Church of Claridon | Huntsburg, OH | 60 | 71 | - |
| Old US 35 Campground | Jamestown, OH | 60 | 59 | - |
| Kimbolton Marathon | Massillon, OH | 60 | 35 | - |
| Riley Creek Baptist Church | Bluffton, OH | 60 | 44 | - |
| First Church of God - Ridgeway | Ridgeway, OH | 60 | 63 | - |
| Salty Longhorn's Bar & Grill LLC PWS | Belle Center, OH | 60 | 0 | - |
| Hocking Hills KOA | Logan, OH | 60 | 38 | - |
| Shepherd of the Hills Evangelic Church | Rockbridge, OH | 60 | 49 | - |
| Westlake Royal Stone, LLC - Holmes Co | Mt Eaton, OH | 60 | 3 | - |
| Odnr-Jefferson Lake St Pk-SC | Columbus, OH | 60 | 23 | - |
| Apostolate Redeemer Hall | Bloomingdale, OH | 60 | 0 | - |
| Bladensburg Diner | Bladenburg, OH | 60 | 102 | - |
| Trillium Farms Layer 1 PWS | Mt. Vernon, OH | 60 | 121 | - |
| Trillium Farms Layer 4 PWS | Mt. Vernon, OH | 60 | 138 | - |
| Together Ministries Church of Nazarene | Thornville, OH | 60 | 78 | - |
| Welcome Woods-West | Columbus, OH | 60 | 113 | - |
| North Benton United Presbyterian Church | North Benton, OH | 60 | 88 | - |
| Zion Hill Church of the Brethren | North Lima, OH | 60 | 52 | - |
| Midway Mennonite Church | North Lima, OH | 60 | 62 | - |
| Washburn Browne Park | Morral, OH | 60 | 82 | - |