Warren County, Illinois
6 active water systems in this county.
| Water System | Population Served | Source | Violations | Health-Based |
|---|---|---|---|---|
| Kirkwood | 714 | Groundwater | 13 | 2 |
| Roseville | 915 | Groundwater Purchased | 7 | 2 |
| Monmouth | 8,902 | Groundwater | 3 | 2 |
| Alexis | 836 | Groundwater | 22 | 1 |
| Little York | 304 | Groundwater Purchased | 12 | 0 |
| Little Swan Lake Sd | 438 | Groundwater | 4 | 0 |