U.S. Steel-Minntac
Minnesota — Non-Transient Non-Community — PWSID: MN5690020
System Information
| PWSID | MN5690020 |
| System Name | U.S. Steel-Minntac |
| System Type | Non-Transient Non-Community |
| Water Source | Surface Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 05 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 23, 1981 |
| Last Reported | Feb 25, 2026 |
Location & Contact
| State | Minnesota |
| City | Mountain Iron |
| ZIP Code | 55768 |
| Address | Environmental Engineering Department |
| Organization | U.S. Steel Division |
| Phone | — |
Population & Service
| Population Served | 1,250 |
| Service Connections | 8 |
Drinking Water Violations (20)
This water system has 20 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 1, 2023 | Sep 30, 2023 | MON | No | Yes | — | — | — | Resolved | Sep 30, 2023 | — | |
| Sep 1, 2023 | Sep 30, 2023 | MON | No | Yes | — | — | — | Resolved | Sep 30, 2023 | — | |
| Sep 1, 2023 | Sep 30, 2023 | MON | No | Yes | — | — | — | Resolved | Sep 30, 2023 | — | |
| Sep 1, 2023 | Sep 30, 2023 | MON | No | Yes | — | — | — | Resolved | Sep 30, 2023 | — | |
| Sep 1, 2023 | Sep 30, 2023 | MON | No | Yes | — | — | — | Resolved | Sep 30, 2023 | — | |
| Sep 1, 2023 | Sep 30, 2023 | MON | No | Yes | — | — | — | Resolved | Sep 30, 2023 | — | |
| Sep 1, 2023 | Sep 30, 2023 | MON | No | Yes | — | — | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | 4.0 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | 4.0 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | 4.0 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | 4.0 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Oct 1, 2013 | Oct 31, 2013 | TT | Yes | No | — | — | — | Resolved | Oct 31, 2013 | — | |
| Oct 1, 2013 | Oct 31, 2013 | TT | Yes | No | — | — | — | Resolved | Oct 31, 2013 | — | |
| Jul 1, 2012 | Sep 30, 2012 | MR | No | No | — | 4.0 mg/L | — | Resolved | Jul 17, 2012 | — | |
| Jul 1, 2012 | Sep 30, 2012 | MR | No | No | — | 4.0 mg/L | — | Resolved | Jul 17, 2012 | — | |
| Jul 1, 2012 | Sep 30, 2012 | MR | No | No | — | 4.0 mg/L | — | Resolved | Jul 17, 2012 | — | |
| Jul 1, 2012 | Jul 31, 2012 | MR | No | No | — | 5% of samples | — | Resolved | Jul 17, 2012 | — | |
| Jul 1, 2012 | Jul 31, 2012 | MR | No | No | — | 5% of samples | — | Resolved | Jul 17, 2012 | — | |
| Jul 1, 2005 | Jul 31, 2005 | TT | Yes | No | — | — | — | Resolved | Jul 31, 2005 | — | |
| Jul 1, 2005 | Jul 31, 2005 | TT | Yes | No | — | — | — | Resolved | Jul 31, 2005 | — |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.