TRI COUNTY JUNIOR HIGH
PWS ID: MI2001359 · SAND LAKE, Michigan 49343
Population Served
533
Total Violations
11
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Private
- Connections
- 1
- County
- Montcalm
- School/Daycare
- Yes
- MCL Violations
- 0
- Monitoring Violations
- 11
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 6 | 2003 |
| Nitrate | MR | 2 | 1996 |
| Lead and Copper Rule | MR | 2 | 1994 |
| Revised Total Coliform Rule | MON | 1 | 2019 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.