Temperance River State Park/Upper Cpgrd.
PWS ID: MN5160330 · Silver Bay, Minnesota 55614
Population Served
100
Total Violations
57
Health-Based Violations
38
Water Source
Surface Water
System Details
- System Type
- Transient Non-Community
- Owner Type
- State
- Connections
- 2
- County
- Cook
- School/Daycare
- No
- MCL Violations
- 13
- Monitoring Violations
- 19
- Treatment Tech Violations
- 25
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Surface Water Treatment Rule | TT | 21 | 2025 |
| Coliform (TCR) | MCL | 13 | 2012 |
| Revised Total Coliform Rule | MON | 9 | 2024 |
| Coliform (TCR) | MR | 7 | 2012 |
| Interim Enhanced Surface Water Treatment Rule | TT | 4 | 2025 |
| Surface Water Treatment Rule | MR | 3 | 2005 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.