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 |
|---|---|---|---|---|
| Ohio and Lee Twp Water Authority | Sardis, OH | 1,301 | 48 | - |
| Campbell Soup Supply Co | Napoleon, OH | 1,300 | 623 | - |
| West Geauga Campus | Chesterland, OH | 1,298 | 89 | - |
| Catalina Mobile Home Park | Middletown, OH | 1,280 | 35 | - |
| West Holmes High School | Millersburg, OH | 1,275 | 180 | - |
| Walnut Creek Water Co. | Walnut Creek, OH | 1,270 | 322 | - |
| Swancreek Water District | Delta, OH | 1,269 | 28 | - |
| Obetz Satellite 2 PWS | Obetz, OH | 1,267 | 11 | - |
| Lakota Pre K-12 School | Kansas 44841, OH | 1,262 | 0 | - |
| Northeast Water System | Wauseon, OH | 1,250 | 15 | - |
| Botkins Village PWS | Botkins, OH | 1,250 | 190 | - |
| New Vienna Village | New Vienna, OH | 1,240 | 170 | - |
| Gnadenhutten | Gnadenhutten, OH | 1,240 | 46 | Clean |
| New Waterford Village PWS | New Waterford, OH | 1,238 | 299 | - |
| Smithville Village PWS | Lakeville, OH | 1,232 | 43 | - |
| Aqua Ohio - Lake White PWS | Westerville, OH | 1,229 | 42 | - |
| Pleasant Hill Village PWS | Pleasant Hill, OH | 1,226 | 34 | - |
| Degraff Village PWS | Degraff, OH | 1,215 | 6 | - |
| Riverview High School | Warsaw, OH | 1,207 | 80 | - |
| Portage County Wr - Mantua Village PWS | Ravenna, OH | 1,207 | 70 | - |
| Pandora Village | Pandora, OH | 1,204 | 52 | - |
| Malvern Village PWS | Malvern, OH | 1,200 | 42 | Clean |
| Ashley Village PWS | Ashley, OH | 1,198 | 85 | - |
| Apple Creek Village PWS | Lakeville, OH | 1,190 | 98 | - |
| Liberty Center Village | Liberty Center, OH | 1,180 | 186 | - |
| Northmor School PWS | Galion, OH | 1,180 | 24 | - |
| Clear Fork High School | Bellville, OH | 1,178 | 6 | - |
| Ansonia Village PWS | Ansonia, OH | 1,174 | 29 | - |
| Bellstores #1159 PWS | Massillon, OH | 1,160 | 0 | - |
| Continental Village | Delphos, OH | 1,153 | 315 | - |
| Holgate Village | Holgate, OH | 1,150 | 166 | - |
| Attica Village | Attica, OH | 1,148 | 412 | - |
| Riverdale Local Schools | Mount Blanchard, OH | 1,127 | 78 | - |
| Clark-Shawnee Local Pk-6 School PWS | Springfield, OH | 1,120 | 8 | - |
| Rockford Village | Rockford, OH | 1,120 | 157 | - |
| National Trail Local Schools | New Paris, OH | 1,100 | 10 | - |
| Eastview Community Water Association | Bellville, OH | 1,100 | 12 | - |
| Frankfort Village PWS | Frankfort, OH | 1,100 | 5 | - |
| Convoy Village | Convoy, OH | 1,100 | 9 | - |
| Northwest Water District | Montpelier, OH | 1,100 | 22 | - |
| Erie Co Huron South District | Huron, OH | 1,086 | 17 | - |
| Magnolia Village PWS | Magnolia, OH | 1,085 | 152 | - |
| Lakeview Village PWS | Lakeview, OH | 1,083 | 37 | - |
| Odot Rest Area 1-26 Sb | Lima, OH | 1,070 | 230 | - |
| Hillsdale School Pk-12 | Jeromesville, OH | 1,056 | 103 | - |
| Tuscarawas Village | Tuscarawas, OH | 1,056 | 137 | - |
| Winchester Public Water System | Seaman, OH | 1,052 | 8 | - |
| Mwcd Charles Mill Lake Park | Navarre, OH | 1,048 | 22 | - |
| Wakeman Village PWS | Wakeman, OH | 1,047 | 174 | - |
| Mohawk K-12 School | Sycamore, OH | 1,044 | 114 | - |