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 |
| Zarbana Aluminum Extrusions, LLC | Columbiana, OH | 75 | 15 | - |
| Unusual Shoppe and Junction | West Lafayette, OH | 75 | 4 | - |
| Cleveland Metroparks/Albion Woods Picnic | Strongsville, OH | 75 | 54 | - |
| Turtle Creek Golf Course | Greenville, OH | 75 | 58 | - |
| Cottonwood Lakes Campground | Versailles, OH | 75 | 6 | - |
| Becks Market | New Madison, OH | 75 | 0 | - |
| Holmes Lumber Office | Sunbury, OH | 75 | 269 | - |
| Colony Village MHP | Bexley, OH | 75 | 455 | - |
| Lakeview Park Campground | Lancaster, OH | 75 | 56 | - |
| Oakthorpe Church PWS | Pleasantville, OH | 75 | 17 | - |
| Cypress Student Center | Galloway, OH | 75 | 46 | - |
| Southeast Conservation Club - Clubhouse | Columbus, OH | 75 | 29 | - |
| Rocky Fork Metro Park - Main Restroom | Westerville, OH | 75 | 0 | - |
| Fairmount Center for the Arts | Novelty, OH | 75 | 30 | - |
| Geauga Market House | Chesterland, OH | 75 | 46 | - |
| The Wembley Club | Chagrin Falls, OH | 75 | 20 | - |
| Sheoga Hardwood Flooring PWS | Middlefield, OH | 75 | 0 | - |
| Geauga Co Public Library - Thompson PWS | Chardon, OH | 75 | 0 | - |
| Serenity Winery | Huntsburg, OH | 75 | 0 | - |
| Dollar General - Huntsburg | Goodlettsville, OH | 75 | 0 | - |
| Knollwood Tavern | Beavercreek, OH | 75 | 49 | - |
| Odnr-John Bryan State Park 2 PWS | Conover, OH | 75 | 29 | - |
| Ada Full Gospel Church | Ada, OH | 75 | 35 | - |
| Hocking Hills Winery | Logan, OH | 75 | 16 | - |
| Grace Haven Fellowship | Dundee, OH | 75 | 21 | - |
| Irish Hills Golf Course | Mount Vernon, OH | 75 | 59 | - |
| The Virtues Golf Club Osborn 14th | Nashport, OH | 75 | 54 | - |
| The Virtues Golf Club Bear Road 6th | Nashport, OH | 75 | 7 | - |
| Turkeyfoot Inn | Lakeview, OH | 75 | 51 | - |
| First Assembly of God PWS | Bellefontaine, OH | 75 | 76 | - |
| Odnr Indian Lake St Pk-Fox Isle PWS | Conover, OH | 75 | 6 | - |
| Odnr Indian Lake St Pk Blackhawk Rr | Conover, OH | 75 | 6 | - |
| Odnr Indian Lake St Pk Chippewa Restroom | Conover, OH | 75 | 0 | - |
| Odnr Indian Lake St Pk Moundwood Restroo | Conover, OH | 75 | 23 | - |
| Geronimo Camp B PWS | Belle Center, OH | 75 | 33 | - |
| Paradise United Church of Christ | Canfield, OH | 75 | 101 | - |
| Connecting Point Chapel PWS | Salem, OH | 75 | 16 | - |
| Berwick Pizza | Green Camp, OH | 75 | 58 | - |
| Timothy Lutheran Church | Marion, OH | 75 | 73 | - |
| VFW Post 7201- Stephen J Chaney | Marion, OH | 75 | 15 | - |
| Green Camp Pit Stop | Marion, OH | 75 | 0 | - |
| Pine Valley Golf 1 PWS | Wadsworth, OH | 75 | 0 | - |
| Maple Hill Mennonite Church | Wadsworth, OH | 75 | 569 | - |
| Red Onion PWS | Brunswick Hills, OH | 75 | 4 | - |
| Shingle Shack Restaurant | Celina, OH | 75 | 0 | - |
| Wendelin 2.0 | Fort Recovery, OH | 75 | 63 | - |
| Four Winds Gospel Assembly | Tipp City, OH | 75 | 79 | - |
| The Barn Ministries Inc | Pleasant Hill, OH | 75 | 13 | - |
| The Royal Banquet and Event LLC | Dayton, OH | 75 | 144 | - |
| A Brown and Sons Nursery Office PWS | Phillipsburg, OH | 75 | 0 | - |