Johnson County, Illinois
4 active water systems in this county.
| Water System | Population Served | Source | Violations | Health-Based |
|---|---|---|---|---|
| Goreville | 1,068 | Surface Water Purchased | 18 | 8 |
| Vienna | 1,618 | Surface Water | 7 | 4 |
| Shawnee Correctional Center | 1,617 | Surface Water Purchased | 13 | 0 |
| Belknap | 516 | Groundwater | 4 | 0 |