Rock Island County, Illinois
18 active water systems in this county.
| Water System | Population Served | Source | Violations | Health-Based |
|---|---|---|---|---|
| Milan | 4,945 | Groundwater | 20 | 9 |
| Carbon Cliff | 2,134 | Groundwater | 24 | 6 |
| Port Byron | 1,678 | Groundwater | 14 | 4 |
| Ilcv Candle Mhp, Llc | 148 | Groundwater Purchased | 44 | 3 |
| Coal Valley | 3,873 | Groundwater | 9 | 3 |
| Silvis | 7,473 | Surface Water Purchased | 238 | 1 |
| Cordova | 640 | Groundwater | 25 | 1 |
| Hampton | 1,863 | Surface Water Purchased | 18 | 1 |
| Mississippi Manufactured Home Community | 503 | Surface Water Purchased | 14 | 1 |
| Rock Island | 39,018 | Surface Water | 41 | 0 |
| East Moline | 21,374 | Surface Water | 11 | 0 |
| High Cliff Estates | 448 | Groundwater Purchased | 7 | 0 |
| Rapids City | 962 | Groundwater | 6 | 0 |
| Moline | 44,500 | Surface Water | 5 | 0 |
| Il American-andalusia | 1,184 | Groundwater | 1 | 0 |
| Reynolds | 508 | Groundwater | 1 | 0 |
| East Moline Correctional Center | 500 | Surface Water Purchased | 0 | 0 |
| Tennants Shady Oaks Subdivision | 44 | Groundwater | 0 | 0 |