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 |
| High Point Villa Apts. | Clinton, OH | 55 | 200 | - |
| Teschners Tavern | Richfield, OH | 55 | 100 | - |
| Mahoning Valley Sanitary District | Youngstown, OH | 55 | 188 | - |
| Raymond United Methodist Church | Raymond, OH | 55 | 80 | - |
| Christian Childrens Home | Wooster, OH | 55 | 118 | - |
| Quality Inn - Wooster | Wooster, OH | 55 | 33 | - |
| Anderson Vreeland | Bryan, OH | 55 | 115 | - |
| Trillium Farm Holdings-Marseilles | Mt. Vernon, OH | 55 | 329 | - |
| Camp Frederick - Upper Meadow | Rogers, OH | 54 | 0 | - |
| Erie Co Vermilion W District | Huron, OH | 54 | 27 | - |
| Big Sky Campground | Kimbolton, OH | 54 | 5 | - |
| M and C Mobile Home Park | Newton Falls, OH | 54 | 102 | - |
| Kaisers Limestone Tavern | Oak Harbor, OH | 54 | 92 | - |
| Motts Greenhouse | Louisville, OH | 54 | 0 | - |
| Buckeye Hills Country Club Inc | Greenfield, OH | 53 | 17 | - |
| Jackson Co. Water Company-O | Jackson, OH | 53 | 14 | - |
| Suburban Mobile Home Park | Saint Petersburg, OH | 53 | 14 | - |
| Indian Lake Rehabilation Center | Lakeview, OH | 53 | 29 | - |
| American Legion Post 571 | Maria Stein, OH | 53 | 4 | - |
| Wendels BBQ | Fort Recovery, OH | 53 | 25 | - |
| The Mockingbird on Mill Road | Graytown, OH | 53 | 0 | - |
| Twin Lakes Assoc.- Beach | Kent, OH | 53 | 7 | - |
| Moose Lodge 846 - Tiffin | Tiffin, OH | 53 | 44 | - |
| E Pallet, Inc | Sugarcreek, OH | 53 | 14 | - |
| Sams Place Tavern | Blakeslee, OH | 53 | 6 | - |
| Hickory Lake Campground D-Area | West Salem, OH | 52 | 17 | - |
| Turkana Golf PWS | East Liverpool, OH | 52 | 12 | - |
| Osgood State Bank | Osgood, OH | 52 | 12 | - |
| Wildcat Woods Campground | Greenville, OH | 52 | 15 | - |
| Aries Real Estate LLC | Russells Point, OH | 52 | 64 | - |
| Binky Commons PWS | Cleveland, OH | 52 | 95 | - |
| S and K Products Company | Celina, OH | 52 | 140 | - |
| Willow Bay Campgrounds PWS | Munds Park, OH | 52 | 7 | - |
| Knueven Creamery and Market | Leipsic, OH | 52 | 39 | - |
| Beach City Bible Methodist Church | Beach City, OH | 52 | 274 | - |
| Kleen Test Products PWS | Strasburg, OH | 52 | 15 | - |
| Trinity Evangelical Lutheran Ch-Moulton | Wapakoneta, OH | 51 | 39 | - |
| Green Meadows MHP | Johnstown, OH | 51 | 83 | - |
| Spiritual Center of Maria Stein | Maria Stein, OH | 51 | 0 | - |
| VFW Post 6515 Ft Recovery | Fort Recovery, OH | 51 | 21 | - |
| Dawsons Mobile Home Park PWS | Piketon, OH | 51 | 855 | - |
| Whispering Pines Campground | Atwater, OH | 51 | 36 | - |
| Waterfall Estates | Columbus, OH | 51 | 644 | - |
| Summit County Sheriffs Training Facility | Akron, OH | 51 | 11 | - |
| North Union United Meth Ch - Van Wert | Convoy, OH | 51 | 38 | - |
| G and S Bar and Wire, LLC | Wooster, OH | 51 | 4 | - |
| Pleasant View Church of Brethren | Lima, OH | 50 | 64 | - |
| Hickory Lake Campground B-Area | West Salem, OH | 50 | 21 | - |
| Ashland Church of the Nazarene | Ashland, OH | 50 | 4 | - |
| Round Lake Golf Course | Lakeville, OH | 50 | 11 | - |