Minntac Plant
Active
Facility
Metal
Operator: United States Steel Corp-Minnesota Ore Operations
Controller: USX Corp (United States Steel Corp)
Location: Mountain Iron, St Louis County, MN
Employees: 790
6,140
Violations
1,406
S&S Violations
423
Accidents
$9.4M
Penalties
Recent Violations
View all 6,140 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 03/04/2026 | 56.14112(b) | Non-S&S | ModNegligence | $0 |
| 03/03/2026 | 56.14112(b) | Non-S&S | LowNegligence | $0 |
| 03/03/2026 | 56.4102 | Non-S&S | ModNegligence | $0 |
| 03/03/2026 | 56.14110 | Non-S&S | LowNegligence | $0 |
| 03/03/2026 | 56.14107(a) | Non-S&S | LowNegligence | $0 |
| 03/03/2026 | 56.20003(a) | Non-S&S | LowNegligence | $0 |
| 03/03/2026 | 56.14112(b) | Non-S&S | LowNegligence | $0 |
| 02/25/2026 | 56.11016 | Non-S&S | LowNegligence | $0 |
| 02/25/2026 | 56.20003(a) | Non-S&S | LowNegligence | $0 |
| 02/25/2026 | 56.12030 | Non-S&S | LowNegligence | $0 |
| 02/25/2026 | 56.14112(a)(1) | Non-S&S | LowNegligence | $0 |
| 02/25/2026 | 56.20003(a) | Non-S&S | LowNegligence | $0 |
| 02/25/2026 | 56.11016 | S&S | LowNegligence | $0 |
| 02/25/2026 | 56.14107(a) | Non-S&S | LowNegligence | $0 |
| 02/17/2026 | 56.14100(b) | Non-S&S | ModNegligence | $0 |
| 02/17/2026 | 56.20003(b) | Non-S&S | ModNegligence | $0 |
| 02/17/2026 | 56.20003(b) | S&S | ModNegligence | $0 |
| 02/13/2026 | 56.17001 | Non-S&S | LowNegligence | $0 |
| 02/12/2026 | 56.14112(a)(1) | Non-S&S | ModNegligence | $0 |
| 02/12/2026 | 56.20003(b) | S&S | ModNegligence | $0 |
Accidents & Injuries
View all 423 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 02/10/2026 | NONPOWERED HAULAGE | DAYS AWAY FROM WORK ONLY | None |
| 02/03/2026 | HANDTOOLS (NONPOWERED) | DAYS AWAY FROM WORK ONLY | None |
| 12/18/2025 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 12/04/2025 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 11/10/2025 | HOISTING | ACCIDENT ONLY | None |
| 11/07/2025 | OTHER | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 10/28/2025 | ENTRAPMENT | ACCIDENT ONLY | None |
| 10/22/2025 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | None |
| 10/13/2025 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | None |
| 10/09/2025 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | None |
Inspections
View all 202 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 02/19/2026 | 35.00 | 1 | |
| 02/13/2026 | 02/13/2026 | 3.25 | 1 |
| 02/09/2026 | 02/10/2026 | 28.50 | 1 |
| 01/27/2026 | 01/27/2026 | 5.25 | 1 |
| 01/13/2026 | 190.75 | 2 | |
| 11/12/2025 | 11/12/2025 | 4.75 | 1 |
| 10/16/2025 | 10/17/2025 | 10.75 | 1 |
| 10/03/2025 | 10/06/2025 | 9.00 | 1 |
| 06/23/2025 | 06/23/2025 | 4.00 | 1 |
| 04/09/2025 | 04/11/2025 | 6.00 | 1 |
Mine Details
MSHA Mine ID2100820
Mine TypeFacility
StatusActive
CommodityMetal
SIC DescriptionIron Ore
Employees790
Days/Week7.0
Hours/Shift8.0
Coordinates47.5647220, -92.6361110
Nearest TownMountain Iron
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Frequently Asked Questions
How many MSHA violations does Minntac Plant have?
Minntac Plant has 6140 MSHA violations on record, of which 1406 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $9.4M.
What type of mine is Minntac Plant?
Minntac Plant is a Facility mine producing Metal, located in Mountain Iron, St Louis County, MN. It currently has 790 employees.
Has anyone been injured or killed at Minntac Plant?
According to MSHA records, Minntac Plant has 423 reported accident/injury records and 0 fatalities on file.
Who operates Minntac Plant?
Minntac Plant is operated by United States Steel Corp-Minnesota Ore Operations and controlled by USX Corp (United States Steel Corp). MSHA Mine ID: 2100820.