Hamlin County, South Dakota
5 active water systems in this county.
| Water System | Population Served | Source | Violations | Health-Based |
|---|---|---|---|---|
| Estelline | 749 | Groundwater Purchased | 10 | 4 |
| Bryant | 471 | Groundwater Purchased | 5 | 4 |
| Castlewood | 698 | Groundwater Purchased | 3 | 2 |
| Hayti | 393 | Groundwater Purchased | 1 | 0 |
| Lake Norden | 554 | Groundwater | 0 | 0 |