Douglas County, South Dakota
5 active water systems in this county.
| Water System | Population Served | Source | Violations | Health-Based |
|---|---|---|---|---|
| Corsica | 561 | Surface Water Purchased | 15 | 6 |
| Delmont | 153 | Surface Water Purchased | 6 | 2 |
| Greenwood Colony | 85 | Groundwater | 48 | 0 |
| Armour | 698 | Surface Water Purchased | 3 | 0 |
| Clearfield Colony | 120 | Groundwater | 0 | 0 |