Boone County Pwsd 9
PWSID: MO3024058
System Details
| Population Served | 15,035 |
| Service Connections | 6,070 |
| Water Source | Groundwater |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | Columbia |
| Zip Code | 65201-0000 |
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0080 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0080 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0050 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0035 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0035 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0028 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0028 mg/L | 0.015 mg/L | Below Action Level |
1 Active Violations
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-08-01 | | Open |
Violation History (4 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2024-09-01 | | Returned to Compliance |
| | 2021-09-01 | Major | Returned to Compliance |
| | 2021-09-01 | Major | Returned to Compliance |