Hardin County, Illinois
3 active water systems in this county.
| Water System | Population Served | Source | Violations | Health-Based |
|---|---|---|---|---|
| Il American-rosiclare | 1,387 | Groundwater Under Influence | 2 | 2 |
| Elizabethtown | 220 | Groundwater Purchased | 22 | 0 |
| Cave-in-rock | 228 | Groundwater Purchased | 1 | 0 |