MERCER PWS
PWS ID: MO2010515 · MERCER, Missouri 64661-0000
Population Served
318
Total Violations
118
Health-Based Violations
50
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 186
- County
- Mercer
- School/Daycare
- No
- MCL Violations
- 39
- Monitoring Violations
- 64
- Treatment Tech Violations
- 11
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 50 | 2012 |
| TTHM | MCL | 36 | 2025 |
| Surface Water Treatment Rule | TT | 11 | 1993 |
| Total Haloacetic Acids (HAA5) | MR | 4 | 2023 |
| TTHM | MR | 4 | 2023 |
| Revised Total Coliform Rule | MON | 4 | 2020 |
| Coliform (TCR) | MCL | 3 | 1998 |
| Lead and Copper Rule | MR | 2 | 2011 |
| Public Notice | Other | 2 | 2021 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.