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 |
| Marlboro Mfg Inc | Alliance, OH | 70 | 134 | - |
| Carlos Trattoria PWS | Hartville, OH | 70 | 26 | - |
| Shooters Sports Bar and Billiards | Louisville, OH | 70 | 26 | - |
| Whiskey Stop Bar and Grill | Louisville, OH | 70 | 109 | - |
| Miller Weld Master PWS | Navarre, OH | 70 | 191 | - |
| Alliance Church of Christ PWS | Alliance, OH | 70 | 18 | - |
| Peace, Love and Little Donuts PWS | Hartville, OH | 70 | 12 | - |
| Akron Rotary Camp PWS | Akron, OH | 70 | 44 | - |
| The Lake Campground - Bathhouse | Norton, OH | 70 | 17 | - |
| Farmers Rail PWS | Richfield, OH | 70 | 0 | - |
| Cvnra - Lock 29 | Brecksville, OH | 70 | 0 | - |
| Pointe Cafe | New Philadelphia, OH | 70 | 43 | - |
| Bates Metal Products,inc | Port Washington, OH | 70 | 103 | - |
| Blachleyville Church of Christ | Shreve, OH | 70 | 70 | - |
| New Creations Fellowship of Wayne County | Orrville, OH | 70 | 27 | - |
| Congress Community Church | West Salem, OH | 70 | 28 | - |
| Patriot Hills Golf Course | Montpelier, OH | 70 | 16 | - |
| Mid-States Packaging Inc | Lewistown, OH | 69 | 401 | - |
| Geronimo Camp C PWS | Belle Center, OH | 69 | 3 | - |
| Twin Pines MHP | Lockbourne, OH | 69 | 188 | - |
| Jims Open Kitchen Too PWS | Streetsboro, OH | 69 | 57 | - |
| Hillside MHP | Port Clinton, OH | 69 | 195 | - |
| Fowler Mobile Home Park | Fowler, OH | 69 | 197 | - |
| Kingdom Hall of Jehovahs Witness | Warsaw, OH | 68 | 76 | - |
| Dayton VA Bldg 320 Pod D | Dayton, OH | 68 | 12 | - |
| Morgan Meigsville - SR 376 PWS | McConnelsville, OH | 68 | 25 | - |
| Cherokee Park Company | Mogadore, OH | 68 | 17 | - |
| Oak Knoll Estates | North Canton, OH | 68 | 299 | - |
| Valley Office Park and Preschool PWS | Akron, OH | 68 | 126 | - |
| New Destiny Treatment Center | Clinton, OH | 68 | 297 | - |
| Holiday Shores MHP PWS | Lakeview, OH | 67 | 16 | - |
| Elida Mennonite School | Elida, OH | 66 | 572 | - |
| Chester Commerce and Medical Bldg PWS | Cleveland, OH | 66 | 0 | - |
| Chagrin Valley Farms | Chagrin Falls, OH | 66 | 0 | - |
| London Country Club | London, OH | 66 | 47 | - |
| Riverfront Marina | Fremont, OH | 66 | 52 | - |
| Huffys Bar and Grille | New Philidelphia, OH | 66 | 267 | - |
| YMCA of Van Wert County | Van Wert, OH | 66 | 21 | - |
| Hartung Brothers Amlc | Bowling Green, OH | 66 | 33 | - |
| Landeck Tavern PWS | Delphos, OH | 65 | 126 | - |
| Wayne-Goshen Comm Church of Nazarene | Waynesfield, OH | 65 | 81 | - |
| Camp Gideon Campground | Canton, OH | 65 | 101 | - |
| Odnr-Beaver Creek/Horse 1 | Columbus, OH | 65 | 21 | - |
| Lisbon Assembly of God | Lisbon, OH | 65 | 28 | - |
| Fort Jefferson United Methodist Church P | Greenville, OH | 65 | 29 | - |
| Hide-A-Way Hills Lodge PWS | Bremen, OH | 65 | 22 | - |
| Ramble Inn | Newbury, OH | 65 | 41 | - |
| Quickstep Pentecostal Church of God | Alger, OH | 65 | 21 | - |
| Troyers Trail Bologna PWS | Winesburg, OH | 65 | 33 | - |
| Madison Cong. of Jehovahs Witness | Geneva, OH | 65 | 156 | - |