CALLAO PWS
PWS ID: MO2010125 · CALLAO, Missouri 63534-0000
Population Served
311
Total Violations
55
Health-Based Violations
0
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 126
- County
- Macon
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 42
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Revised Total Coliform Rule | MON | 19 | 2025 |
| Coliform (TCR) | MR | 12 | 2015 |
| Consumer Confidence Rule | Other | 4 | 2025 |
| Total Haloacetic Acids (HAA5) | MR | 4 | 2022 |
| TTHM | MR | 4 | 2022 |
| Lead and Copper Rule | MR | 3 | 2024 |
| Public Notice | Other | 2 | 2023 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.