We found 7 public water systems in Butler county (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Butler County Water System Inc | Bowling Green | 14,256 | 24 | 75 |
| Morgantown Water System | County of Butler | 2,628 | 0 | 53 |
| Rochester Water District | Bowling Green | 1,584 | 0 | 0 |
| Huntsville-s Hill Water System | Morgantown | 690 | 0 | 0 |
| Logansport Dunbar Wtr Sys Inc | Logansport | 480 | 0 | 0 |
| Taylor Lake Fish Club Inc | Morgantown | 129 | 0 | 0 |
| Corps Of Engrs Gr Lock/dam #3 | Beaver Dam | 24 | 0 | 0 |