U.S. Steel-Minntac
PWS ID: MN5690020 · Mountain Iron, Minnesota 55768
Population Served
1,250
Total Violations
20
Health-Based Violations
4
Water Source
Surface Water
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Private
- Connections
- 8
- County
- St. Louis
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 16
- Treatment Tech Violations
- 4
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Chlorine | MR | 7 | 2023 |
| Revised Total Coliform Rule | MON | 7 | 2023 |
| Interim Enhanced Surface Water Treatment Rule | TT | 2 | 2005 |
| Coliform (TCR) | MR | 2 | 2012 |
| Surface Water Treatment Rule | TT | 2 | 2013 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.