We found 4 public water systems in Harding county (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Roy (village Of) | Roy | 300 | 0 | 32 |
| Mosquero Water System | Mosquero | 125 | 0 | 26 |
| Sec Corporation | County of Harding | 50 | 0 | 0 |
| Chicosa Lake State Park | County of Harding | 0 | 0 | 0 |