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 |
|---|---|---|---|---|
| Tri-County Rural W and S District | Waterford, OH | 3,000 | 73 | - |
| Baltimore Village PWS | Baltimore, OH | 2,995 | 52 | - |
| Old Straitsville Water Association | Logan, OH | 2,950 | 140 | - |
| Lakengren Water Authority | Eaton, OH | 2,950 | 29 | - |
| Lodi Village PWS | Lodi, OH | 2,884 | 8 | - |
| Trumbull Co. - Mineral Ridge PWS | Vienna, OH | 2,858 | 5 | - |
| Bridgeport Public Water System | Bridgeport, OH | 2,830 | 202 | - |
| Lisbon Village | Warren, OH | 2,821 | 301 | - |
| South Zanesville PWS | Zanesville, OH | 2,800 | 444 | - |
| Grafton Village PWS | Grafton, OH | 2,769 | 526 | - |
| Middlefield Village PWS | Middlefield, OH | 2,748 | 65 | - |
| Buckeye Lake, Village of PWS | Buckeye Lake, OH | 2,746 | 14 | - |
| Putnam Community Water Association PWS | Marietta, OH | 2,744 | 78 | Detected |
| Covington Village PWS | Covington, OH | 2,718 | 34 | - |
| New Richmond Village PWS | New Richmond, OH | 2,698 | 42 | - |
| Versailles Village PWS | Versailles, OH | 2,687 | 76 | - |
| Clear Water Corporation | Sarahsville, OH | 2,670 | 130 | - |
| Fredericktown Village | Fredericktown, OH | 2,648 | 21 | - |
| Loudonville Village | Loudonville, OH | 2,641 | 15 | - |
| Newpointe Community Church PWS | Dover, OH | 2,640 | 0 | - |
| Strasburg Village PWS | Strasburg, OH | 2,610 | 80 | - |
| Woodsfield Village PWS | Woodsfield, OH | 2,598 | 137 | - |
| St Henry Village | St Henry, OH | 2,596 | 85 | - |
| Odnr-Hocking Hills State Park | Columbus, OH | 2,559 | 154 | - |
| Crooksville | Crooksville, OH | 2,534 | 213 | - |
| Silver Lake Village PWS | Silver Lake, OH | 2,519 | 12 | - |
| Gibsonburg Village | Gibsonburg, OH | 2,506 | 5 | - |
| Gambier Village PWS | Gambier, OH | 2,502 | 50 | - |
| Aqua Ohio - Worthington Hills PWS | Westerville, OH | 2,500 | 0 | - |
| Glendale Village PWS | Glendale, OH | 2,500 | 32 | - |
| Switzerland of Ohio Water | Jerusalem, OH | 2,500 | 10 | - |
| Mission Conversion Services Alliance LLC | Piketon, OH | 2,500 | 102 | - |
| Sabina Village PWS | Sabina, OH | 2,493 | 205 | - |
| New Concord PWS | New Concord, OH | 2,491 | 213 | - |
| Williamsburg Village PWS | Williamsburg, OH | 2,490 | 104 | - |
| Travel Centers of America | Westlake, OH | 2,490 | 183 | - |
| Middleport Village PWS | Middleport, OH | 2,446 | 96 | - |
| Waynoka Regional Water and Sewer Dist | Sardinia, OH | 2,428 | 72 | Clean |
| Enon Village PWS | Enon, OH | 2,415 | 135 | - |
| Cridersville Village | Criderville, OH | 2,410 | 152 | - |
| Wright Patterson Medical Center PWS | Wpafb, OH | 2,401 | 8 | - |
| Mwcd-Atwood Park | New Philidelphia, OH | 2,400 | 157 | - |
| Lagrange Village PWS | Lagrange, OH | 2,400 | 35 | - |
| McArthur Village PWS | McArthur, OH | 2,400 | 15 | - |
| Odnr - Pymatuning State Park | Columbus, OH | 2,381 | 91 | - |
| Aqua Ohio - Mohawk PWS | Massillon, OH | 2,376 | 34 | - |
| Tri-County Water Authority | Harrisville, OH | 2,370 | 17 | - |
| Hebron Village PWS | Hebron, OH | 2,368 | 59 | - |
| Noble County Water Authority PWS | Belle Valley, OH | 2,368 | 130 | - |
| Miami Co-N25a Extension | Troy, OH | 2,367 | 11 | - |