We found 9 public water systems that could serve the same population as Madison State Hospital (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Madison Water Department | Madison | 11,967 | 29 | 36 |
| Kent Water Company | Madison | 5,400 | 0 | 3 |
| Rykers Ridge Water Company | Madison | 2,000 | 0 | 8 |
| Madison State Hospital | Madison | 650 | 0 | 0 |
| Indiana-kentucky Electric Corporation | Madison | 320 | 0 | 0 |
| Coffee Creek Conservation Club | Madison | 150 | 0 | 0 |
| Route 56 Campground | Madison | 100 | 0 | 0 |
| Psi - Marble Hill Service Bldg | Madison | 25 | 0 | 0 |
| Lake Priscella | Madison | 25 | 0 | 0 |