We found 16 public water systems in Union county (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Sirwa #2 (creston) | Creston | 18,510 | 35 | 9 |
| Creston Water Supply | Creston | 7,834 | 0 | 10 |
| Afton Water System | County of Union | 917 | 0 | 0 |
| Green Valley St Pk | County of Union | 562 | 0 | 0 |
| Lorimor Water Supply | Lorimor | 427 | 0 | 0 |
| East Union Comm. Bldg | County of Union | 183 | 0 | 0 |
| Creston Community School | County of Union | 169 | 0 | 0 |
| Arispe Water Supply | County of Union | 89 | 0 | 0 |
| Country Court | County of Union | 60 | 0 | 0 |
| The Inn | County of Union | 60 | 0 | 0 |
| Farmers Market | County of Union | 40 | 0 | 0 |
| Shannon City Cafe | County of Union | 25 | 0 | 0 |
| Union County Care Facility | County of Union | 25 | 0 | 0 |
| Green Valley State Park | County of Union | 25 | 0 | 0 |
| Thayer Pond-union Conservation | County of Union | 25 | 0 | 0 |
| Mt Pisgah Pk-union Conservatio | County of Union | 25 | 0 | 0 |