LOCKPORT TOWNSHIP
PWS ID: MI0003943 · CENTREVILLE, Michigan 49032
Population Served
1,778
Total Violations
58
Health-Based Violations
32
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 700
- County
- St. Joseph
- School/Daycare
- No
- MCL Violations
- 32
- Monitoring Violations
- 22
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 32 | 2013 |
| Coliform (TCR) | MR | 15 | 2012 |
| Nitrate | MR | 4 | 1999 |
| Revised Total Coliform Rule | MON | 3 | 2020 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.