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 |
|---|---|---|---|---|
| Jackson/Milton Metro Water District PWS | Youngstown, OH | 3,728 | 38 | Detected |
| Shadyside Public Water System | Barnesville, OH | 3,689 | 66 | Detected |
| Carey Village PWS | Carey, OH | 3,674 | 39 | Clean |
| West Union Public Water System | West Union, OH | 3,670 | 28 | - |
| Northwestern W and SD - Weston | Bowling Green, OH | 3,648 | 145 | - |
| Northwestern W and SD - Middleton Twp | Bowling Green, OH | 3,615 | 0 | - |
| Paulding Village | Paulding, OH | 3,605 | 307 | Detected |
| Hicksville Village | Hicksville, OH | 3,600 | 43 | Clean |
| Aqua Ohio - Lake Darby | Westerville, OH | 3,562 | 4 | Clean |
| Delta Village | Delta, OH | 3,518 | 181 | Detected |
| Lordstown Village PWS | Lordstown, OH | 3,515 | 21 | Detected |
| Mt Gilead Village PWS | Mt Gilead, OH | 3,503 | 202 | Clean |
| Honda Dma East Liberty WTP | Marysville, OH | 3,500 | 256 | Clean |
| Commercial Point Village | Commercial Point, OH | 3,497 | 59 | Detected |
| Lockland Village PWS | Lockland, OH | 3,486 | 45 | Clean |
| North Baltimore Village | North Baltimore, OH | 3,432 | 79 | Detected |
| Licking County Harbor Hills PWS | Buckeye Lake, OH | 3,415 | 28 | - |
| Lebanon Correctional Institution | Lebanon, OH | 3,410 | 88 | Clean |
| Honda Dma Anna Engine Plant | Anna, OH | 3,400 | 96 | Clean |
| Odrc-Pickaway Correction PWS | Fredricktown, OH | 3,376 | 129 | Clean |
| Morrow Village PWS | Morrow, OH | 3,360 | 84 | - |
| Cadiz Village PWS | Cadiz, OH | 3,353 | 282 | Clean |
| Mingo Junction PWS | Mingo Junction, OH | 3,350 | 156 | - |
| Caldwell Village PWS | Caldwell, OH | 3,300 | 95 | Detected |
| Athens Co., the Plains S.D. 1 PWS | Millfield, OH | 3,276 | 12 | - |
| New London Village PWS | New London, OH | 3,250 | 8 | - |
| Groveport PWS | Groveport, OH | 3,229 | 149 | Clean |
| Aqua Ohio - Village of Jefferson | Ashtabula, OH | 3,226 | 0 | Clean |
| Western Guernsey Regional Water District | Cambridge, OH | 3,225 | 29 | - |
| Dayton Vamc Water Treatment Plant-Bld330 | Dayton, OH | 3,216 | 12 | - |
| New Miami Village PWS | New Miami, OH | 3,200 | 114 | Clean |
| Millersport Village PWS | Millersport, OH | 3,200 | 84 | - |
| Fairport Harbor Village PWS | Fairport Harbor, OH | 3,180 | 207 | - |
| McDonald Village PWS | McDonald, OH | 3,172 | 25 | Detected |
| Obetz Village PWS | Obetz, OH | 3,167 | 24 | - |
| Millersburg Village PWS | Millersburg, OH | 3,151 | 11 | Clean |
| Kelleys Island Village | Kelleys Island, OH | 3,125 | 286 | - |
| Genoa Village | Genoa, OH | 3,110 | 79 | - |
| Lakemore Village PWS | Lakemore, OH | 3,068 | 37 | - |
| Oak Hill, Village Of | Oak Hill, OH | 3,067 | 112 | - |
| Carrollton Village | Carrollton, OH | 3,055 | 23 | - |
| Doylestown Village PWS | Doylestown, OH | 3,051 | 24 | - |
| New Bremen Village | New Bremen, OH | 3,034 | 21 | Clean |
| Jefferson Co W and S District- A | Steubenville, OH | 3,028 | 18 | Detected |
| Minster Village | Minster, OH | 3,025 | 331 | - |
| Highland Ridge W and S Association Inc | Lowell, OH | 3,022 | 3 | - |
| Clark County Green Meadows 2 PWS | Springfield, OH | 3,008 | 5 | Clean |
| Eldora Speedway Main Concessions PWS | New Weston, OH | 3,007 | 8 | - |
| Muskingum Valley Scout | Coshocton, OH | 3,000 | 39 | - |
| Geauga County-Bainbridge | Chardon, OH | 3,000 | 26 | - |