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 |
| Carter Lumber PWS | Kent, OH | 25 | 4 | - |
| Jess Howard Electric - Office | Blacklick, OH | 25 | 116 | - |
| The Garden Inn PWS | Columbus, OH | 25 | 25 | - |
| Decker Migrant Residence #6239 - House | Groveport, OH | 25 | 0 | - |
| Decker Migrant Residence 6239 - Trailers | Groveport, OH | 25 | 0 | - |
| Good Shepd Mennonite Church | Archbold, OH | 25 | 103 | - |
| Hidden Valley Golf Club | Thompson, OH | 25 | 34 | - |
| Papillion Enrichment Center II PWS | Chesterland, OH | 25 | 89 | - |
| Geauga Parks - Chickagami Park | Chardon, OH | 25 | 9 | - |
| Macs Tavern PWS | Middlefield, OH | 25 | 66 | - |
| Cipriani Investment Co | Warrensville Heights, OH | 25 | 21 | - |
| Geauga Parks Headwaters | Chardon, OH | 25 | 21 | - |
| Parkman Community House PWS | West Farmington, OH | 25 | 0 | - |
| Great Lakes Growers PWS | Burton, OH | 25 | 0 | - |
| Trinity Veterinary Hospital PWS | Montville, OH | 25 | 0 | - |
| Fellowship Tabernacle Church | Xenia, OH | 25 | 163 | - |
| Georgetown Winery | Cambridge, OH | 25 | 18 | - |
| Carolaura Farm, Ltd PWS | Covington, OH | 25 | 3 | - |
| Grant Fellowship Church | Forest, OH | 25 | 13 | - |
| Asbury Chapel | Cadiz, OH | 25 | 62 | - |
| Odnr-Hocking Hills-Conkles Hollow | Columbus, OH | 25 | 25 | - |
| Jim Bos Bar and Diner PWS | Laurelville, OH | 25 | 23 | - |
| Palmerosa Horse & Hike Camp | Laurelville, OH | 25 | 3 | - |
| Hide -a -Way Hills Golf Course PWS | Hide a Way Hills, OH | 25 | 15 | - |
| Cowboy Larry's Horse Camp PWS | Pleasant Hill, OH | 25 | 7 | - |
| Hocking Hills Pizza | Logan, OH | 25 | 0 | - |
| Pine Creek Cabins and Camping Resort | Canfield, OH | 25 | 7 | - |
| Sunset View Lodge | Logan, OH | 25 | 2 | - |
| Holmes County Garage | Millersburg, OH | 25 | 43 | - |
| Buurma Farms Amlc 2 PWS | Willard, OH | 25 | 24 | - |
| Kekekist Ltd Amlc PWS | North Fairfield, OH | 25 | 36 | - |
| Glen Hill Orchards - Ag Camp PWS | Mount Vernon, OH | 25 | 53 | - |
| Sparta House | Galena, OH | 25 | 0 | - |
| Timbuk Farms | Granville, OH | 25 | 3 | - |
| Ohio Eagles Recreation Park PWS | Bellefontaine, OH | 25 | 37 | - |
| Turkey Foot Boat Docks | Lakeview, OH | 25 | 15 | - |
| YMCA Willson Center-Ranch PWS | Bellefontaine, OH | 25 | 39 | - |
| Classic Swing Driving Range PWS | Huntsville, OH | 25 | 11 | - |
| Firehouse Pizza PWS | Rushsylvania, OH | 25 | 146 | - |
| The Brown Bean | Lakeview, OH | 25 | 51 | - |
| Desperados Drive Thru | Huntsville, OH | 25 | 40 | - |
| Dollar General #12321 - Lakeview PWS | Goodlettsville, OH | 25 | 2 | - |
| Myeerah Nature Center PWS | Bellefontaine, OH | 25 | 45 | - |
| Nx Automotive Logistics Bldg 3 PWS | East Liberty, OH | 25 | 0 | - |
| Nk Parts Industries R & D PWS | Sidney, OH | 25 | 0 | - |
| Dollar General #16261 - Huntsville PWS | Goodlettsville, OH | 25 | 2 | - |
| Family Dollar Lakeview | Youngstown, OH | 25 | 0 | - |
| Mac-O-Chee PWS | Urbana, OH | 25 | 0 | - |
| Winns Orchard PWS | Plain City, OH | 25 | 0 | - |
| McCartney Mobile Estates MHP 1 | Las Vegas, OH | 25 | 843 | - |