Ohio utilities 301 to 338.
Each serves 114 to 3,600 people, as it reports to EPA. Your ZIP code finds yours faster.
301 to 338 of 338, by people served
| Utility | Based in | Serves | Regulated PFAS | Health-based violations since 2016 |
|---|---|---|---|---|
| Hicksville Village | Hicksville | 3,600 | None found | 0 |
| Aqua Ohio - Lake Darby | Westerville | 3,562 | None found | 0 |
| Delta Village | Delta | 3,518 | None found | 7 |
| Lordstown Village PWS | Lordstown | 3,515 | PFOS, PFHxS | 0 |
| MT Gilead Village PWS | MT Gilead | 3,503 | None found | 0 |
| Commercial Point Village | Commercial Point | 3,497 | None found | 0 |
| Lockland Village PWS | Lockland | 3,486 | None found | 1 |
| North Baltimore Village | North Baltimore | 3,432 | None found | 0 |
| Licking County Harbor Hills PWS | Buckeye Lake | 3,415 | Not sampled | 0 |
| Lebanon Correctional Institution | Lebanon | 3,410 | None found | 0 |
| Odrc - Pickaway Correction PWS | Fredricktown | 3,376 | None found | 1 |
| Morrow Village PWS | Morrow | 3,360 | Not sampled | 1 |
| Cadiz Village PWS | Cadiz | 3,353 | None found | 8 |
| Mingo Junction PWS | Mingo Junction | 3,350 | Not sampled | 3 |
| Caldwell Village PWS | Caldwell | 3,300 | PFOA | 0 |
| Groveport PWS | Groveport | 3,229 | None found | 0 |
| Aqua Ohio - Village of Jefferson | Ashtabula | 3,226 | None found | 0 |
| New Miami Village PWS | New Miami | 3,200 | None found | 0 |
| Millersburg Village PWS | Millersburg | 3,151 | None found | 0 |
| New Bremen Village | New Bremen | 3,034 | None found | 0 |
| Clark County Green Meadows 2 PWS | 3,008 | None found | 0 | |
| Putnam Community Water Association PWS | Marietta | 2,744 | PFOA, PFHxS | 0 |
| Jefferson Co W and S District - A | Steubenville | 2,635 | PFHxS, PFBS | 0 |
| Bethel Village PWS | Bethel | 2,620 | PFOA | 1 |
| Waynoka Regional Water and Sewer Dist | Sardinia | 2,428 | None found | 2 |
| Columbus Grove Village | Columbus Grove | 2,137 | None found | 2 |
| Bradford Village PWS | Bradford | 2,000 | None found | 0 |
| Northern Perry Co.Water #2 | New Lexington | 1,802 | None found | 1 |
| Timberlake Water System | Columbus | 1,600 | None found | 1 |
| Felicity Village PWS | Felicity | 1,573 | None found | 0 |
| Gnadenhutten | Gnadenhutten | 1,240 | None found | 0 |
| Malvern Village PWS | Malvern | 1,200 | None found | 2 |
| Waterford Water/Sewer Association | Waterford | 770 | PFBS | 1 |
| Aqua Ohio - Aurora E | Massillon | 766 | None found | 0 |
| Greenfield Twp Water District | Lancaster | 490 | None found | 0 |
| Oakdale Water District | Glouster | 250 | None found | 0 |
| Dayton VA Bldg 410 | Dayton | 125 | PFOS, PFHxS | 1 |
| Scranton Woods | Chardon | 114 | None found | 0 |
Utilities EPA sampled under UCMR 5, plus any other community system serving 3,300 people or more. Smaller systems appear in ZIP code results. People served is what each utility reports to EPA. Data: EPA SDWIS 2026 Q2 and UCMR 5.