Boone County Pwsd 9
PWSID MO3024058 · Columbia, Missouri · serves 15,035 people · groundwater source
A
Excellent
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2025-08-01 | Revised Total Coliform Rule | RPT | No | Resolved |
| 2024-09-01 | Revised Total Coliform Rule | RPT | No | Resolved |