Lyon County, Iowa
12 active water systems in this county.
| Water System | Population Served | Source | Violations | Health-Based |
|---|---|---|---|---|
| Little Rock Water Supply | 441 | Groundwater Purchased | 1 | 1 |
| Doon Water Supply | 619 | Groundwater Purchased | 6 | 0 |
| Lyon-sioux Rws-big Sioux | 1,530 | Groundwater | 5 | 0 |
| Lyon-sioux Rws-doon | 1,765 | Groundwater | 2 | 0 |
| Lester Water Supply | 296 | Groundwater Purchased | 2 | 0 |
| Inwood Water Supply | 928 | Groundwater Purchased | 1 | 0 |
| Larchwood Water Supply | 926 | Groundwater Purchased | 1 | 0 |
| Rock Rapids Municipal Water Works | 2,611 | Groundwater | 0 | 0 |
| Lyon-sioux Rws-rock Rapids | 1,187 | Groundwater Purchased | 0 | 0 |
| George Water Supply | 1,077 | Groundwater | 0 | 0 |
| Lyon-sioux Rws-boyden | 605 | Groundwater | 0 | 0 |
| Alvord Municipal Water Supply | 206 | Groundwater Purchased | 0 | 0 |