We found 13 public water systems in Hand county (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Mid-dakota Rural Water | Miller, Pierre | 10,200 | 30 | 1 |
| Miller | Miller | 1,489 | 0 | 11 |
| Sunshine Bible Academy | Miller | 240 | 0 | 123 |
| Saint Lawrence | Miller, Saint Lawrence | 198 | 0 | 115 |
| Wessington | Wessington | 175 | 0 | 46 |
| Millerdale Colony | County of Hand | 140 | 0 | 0 |
| Standing Rock Sioux Tribe | Chief Gall Inn | 125 | 0 | 0 |
| Ree Heights | Ree Heights | 70 | 0 | 0 |
| Sunshine Bible Elementary | County of Hand | 33 | 0 | 0 |
| Gfp 3-c/lake Louise Shop | County of Hand | 25 | 0 | 0 |
| Gfp 3-b/lake Louise East | County of Hand | 25 | 0 | 0 |
| Gfp 3-f/rosehill | County of Hand | 3 | 0 | 0 |
| Gfp 3-a/lake Louise West | County of Hand | 1 | 0 | 0 |