Jo Daviess County, Illinois
8 active water systems in this county.
| Water System | Population Served | Source | Violations | Health-Based |
|---|---|---|---|---|
| Galena | 3,308 | Groundwater | 5 | 1 |
| Apple River | 347 | Groundwater | 11 | 0 |
| Warren | 1,323 | Groundwater | 9 | 0 |
| Stockton | 1,728 | Groundwater | 6 | 0 |
| Elizabeth | 802 | Groundwater | 6 | 0 |
| East Dubuque | 1,565 | Groundwater | 3 | 0 |
| Scales Mound | 436 | Groundwater | 3 | 0 |
| Hanover | 863 | Groundwater | 0 | 0 |