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 |
|---|---|---|---|---|
| Fort Loramie Village PWS | Fort Loramie, OH | 1,524 | 32 | - |
| Burton Village PWS | Burton, OH | 1,520 | 49 | - |
| Reno Water and Sewer 2 | Marietta, OH | 1,520 | 34 | - |
| Lynchburg Village PWS | Lynchburg, OH | 1,515 | 201 | - |
| Cincinnati Childrens Hosp Ionization Sys | Cincinnati, OH | 1,514 | 1 | Detected |
| Shreve Village PWS | Shreve, OH | 1,514 | 122 | - |
| Sports Plex | Fairborn, OH | 1,502 | 10 | - |
| Ft Recovery Village | Fort Recovery, OH | 1,501 | 94 | - |
| Oakwood Village MHP | Southfield, OH | 1,500 | 23 | - |
| Grand Rapids Village | Grand Rapids, OH | 1,500 | 33 | - |
| Aqua Ohio - Beechcrest | Massillon, OH | 1,496 | 203 | - |
| Hartville Marketplace PWS | Hartville, OH | 1,495 | 4 | - |
| Switzer Water Association | Powhattan Point, OH | 1,493 | 38 | - |
| Odnr Indian Lake St Pk - Campground | Conover, OH | 1,491 | 51 | - |
| Somerset Village Of | Somerset, OH | 1,490 | 217 | - |
| Greenwich Village PWS | Greenwich, OH | 1,476 | 46 | - |
| Carlisle City PWS | Carlisle, OH | 1,475 | 62 | - |
| Jackson Center Village PWS | Jackson Center, OH | 1,462 | 24 | - |
| Odrc-Southeastern Correctional Institute | Lancaster, OH | 1,461 | 57 | - |
| Arlington Village | Arlington, OH | 1,451 | 66 | - |
| Miami East Schools PWS | Casstown, OH | 1,430 | 161 | - |
| Chauncey | Chauncey, OH | 1,428 | 292 | - |
| Little Walnut Water Treatment Facility | Lancaster, OH | 1,428 | 3 | - |
| Bremen Village | Bremen, OH | 1,425 | 85 | - |
| Elmore Village | Woodville, OH | 1,421 | 35 | - |
| West Salem Village PWS | W Salem, OH | 1,410 | 92 | - |
| Hiram Village PWS | Hiram, OH | 1,406 | 26 | - |
| Monroeville Village | Monroeville, OH | 1,400 | 34 | - |
| Licking Valley Elementary School PWS | Newark, OH | 1,400 | 16 | - |
| Tallmadge-Portage County PWS | Tallmadge, OH | 1,400 | 0 | - |
| Waterloo K-12 Campus PWS | Atwater, OH | 1,400 | 141 | - |
| Crestview Local Schools | Ashland, OH | 1,400 | 74 | - |
| West Alexandria, Village Of | West Alexandria, OH | 1,385 | 60 | - |
| Bethesda Public Water System | Bethesda, OH | 1,382 | 63 | - |
| Pioneer Village | Pioneer, OH | 1,380 | 70 | - |
| Tiltonsville PWS | Tiltonsville, OH | 1,372 | 55 | - |
| Milan Village | Milan, OH | 1,371 | 21 | - |
| Jeffersonville Village PWS | Jeffersonville, OH | 1,356 | 204 | - |
| South Main Centre Ltd | Bloomfield Hills, OH | 1,347 | 87 | - |
| Youngs Jersey Dairy PWS | Yellow Springs, OH | 1,340 | 36 | - |
| Fayette Village | Fayette, OH | 1,340 | 124 | - |
| Frazeysburg PWS | Frazeysburg, OH | 1,340 | 144 | - |
| Stryker Village | Archbold, OH | 1,335 | 23 | - |
| Odot Rest Area 7-26/7-25 | Sidney, OH | 1,333 | 32 | - |
| Pemberville Village | Pemberville, OH | 1,326 | 101 | - |
| Elgin Local Schools | Marion, OH | 1,321 | 0 | - |
| Obetz Satellite 6 PWS | Obetz, OH | 1,317 | 16 | - |
| West Liberty-Salem School | West Liberty, OH | 1,315 | 8 | - |
| Leesburg Village | Lebanon, OH | 1,315 | 38 | - |
| Salem Regional Medical Center | Salem, OH | 1,310 | 0 | - |