Sioux County, Iowa
16 active water systems in this county.
| Water System | Population Served | Source | Violations | Health-Based |
|---|---|---|---|---|
| Rock Valley Rural Water District | 2,230 | Groundwater | 3 | 3 |
| Rural Water System #1 | 3,428 | Groundwater Under Influence | 9 | 2 |
| Rock Valley Water Supply | 4,059 | Groundwater | 7 | 0 |
| Sioux Center Municipal Water Department | 8,231 | Groundwater | 4 | 0 |
| Hawarden Water Supply | 2,700 | Groundwater | 4 | 0 |
| Hospers Municipal Water Dept | 718 | GUP | 3 | 0 |
| Matlock Water Supply | 74 | Groundwater Purchased | 2 | 0 |
| Orange City Municipal Water Department | 6,267 | Groundwater | 1 | 0 |
| Alton Municipal Water Department | 1,248 | Groundwater Purchased | 1 | 0 |
| Boyden Municipal Water Supply | 701 | Groundwater Purchased | 1 | 0 |
| Southern Sioux County Rural Water | 5,420 | Groundwater | 0 | 0 |
| Hull Water Supply | 2,384 | Groundwater Purchased | 0 | 0 |
| Ireton Water Supply | 590 | Groundwater Purchased | 0 | 0 |
| Granville Water Supply | 310 | GUP | 0 | 0 |
| Maurice Municipal Water Supply | 265 | Groundwater Purchased | 0 | 0 |
| Lewis and Clark Regional Water System | 25 | Groundwater Purchased | 0 | 0 |