Jefferson County, Illinois
8 active water systems in this county.
| Water System | Population Served | Source | Violations | Health-Based |
|---|---|---|---|---|
| Mount Vernon | 15,793 | Surface Water Purchased | 17 | 0 |
| Bonnie | 437 | Surface Water Purchased | 13 | 0 |
| Waltonville | 1,901 | Surface Water Purchased | 12 | 0 |
| Bluford | 1,880 | Surface Water Purchased | 6 | 0 |
| Woodlawn | 3,587 | Surface Water Purchased | 5 | 0 |
| Belle Rive | 1,930 | Surface Water Purchased | 3 | 0 |
| Oak Grove Village | 362 | Surface Water Purchased | 1 | 0 |
| Moores Prairie Township Water Company | 213 | Surface Water Purchased | 0 | 0 |