Grand Marais
PWS ID: MN1160001 · Grand Marais, Minnesota 55604
Population Served
1,344
Total Violations
18
Health-Based Violations
0
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 760
- County
- Cook
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 17
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Chlorine | MR | 8 | 2012 |
| Coliform (TCR) | MR | 5 | 2008 |
| Interim Enhanced Surface Water Treatment Rule | MR | 4 | 2023 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.