CASSOPOLIS
PWS ID: MI0001250 · CASSOPOLIS, Michigan 49031
Population Served
1,815
Total Violations
48
Health-Based Violations
9
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 842
- County
- Cass
- School/Daycare
- No
- MCL Violations
- 9
- Monitoring Violations
- 28
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| TTHM | MR | 7 | 2020 |
| Total Haloacetic Acids (HAA5) | MR | 7 | 2020 |
| Coliform (TCR) | MCL | 6 | 1995 |
| Coliform (TCR) | MR | 5 | 2013 |
| Chlorine | MR | 5 | 2023 |
| Revised Total Coliform Rule | RPT | 4 | 2021 |
| Combined Uranium | MR | 4 | 2016 |
| Nitrate | MCL | 3 | 1995 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.