ST MARY PWS
PWS ID: MO4010718 · ST MARY, Missouri 63673-0107
Population Served
350
Total Violations
122
Health-Based Violations
110
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 180
- County
- Ste. Genevieve
- School/Daycare
- No
- MCL Violations
- 110
- Monitoring Violations
- 10
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 110 | 2013 |
| Coliform (TCR) | MR | 10 | 2012 |
| Consumer Confidence Rule | Other | 1 | 2025 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.