We found 9 public water systems in Doniphan county (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Doniphan Co Rwd 5 | Wathena | 1,320 | 0 | 11 |
| Wathena, City Of | Wathena | 1,313 | 0 | 4 |
| Elwood, City Of | Elwood | 1,164 | 0 | 2 |
| Highland, City Of | Highland | 1,000 | 0 | 12 |
| Troy, City Of | Troy | 970 | 0 | 6 |
| Doniphan Co Rwd 3 | Severance | 437 | 0 | 57 |
| White Cloud, City Of | White Cloud | 171 | 0 | 12 |
| Doniphan Co Rwd 2 | Bendena | 137 | 0 | 24 |
| Doniphan Co Rwd 1 | Robinson | 75 | 0 | 0 |