CALHOUN PWS
PWS ID: MO1010123 · CALHOUN, Missouri 65323-0000
Population Served
324
Total Violations
40
Health-Based Violations
20
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 163
- County
- Henry
- School/Daycare
- No
- MCL Violations
- 20
- Monitoring Violations
- 16
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| TTHM | MCL | 16 | 2016 |
| Coliform (TCR) | MR | 12 | 2005 |
| Revised Total Coliform Rule | MON | 4 | 2019 |
| Coliform (TCR) | MCL | 4 | 2009 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.