Data / Mines / United States Steel Corp-Minnesota Ore Operations
United States Steel Corp-Minnesota Ore: MSHA record
Updated November 6, 2026. Source: US Department of Labor, Mine Safety and Health Administration (MSHA), Open Government Data Sets.
United States Steel Corp-Minnesota Ore Operations (MSHA operator ID L09505) operates 3 open mines with 1,240 employees in Minnesota, mostly iron ore. Since January 1, 2022 MSHA inspectors issued it 2,422 citations and orders with $5,562,652 in proposed penalties, and it reported 184 injury or illness cases. Data from MSHA, November 6, 2026.
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- MSHA operator ID
- L09505
- Open mines
- 3
- Employees at open mines
- 1,240
- States
- Minnesota
- Parent company
- Usx Corp (United States Steel Corp)
- Citations and orders since January 1, 2022
- 2,422
- Significant and substantial
- 383 (15.8%)
- Closure orders
- 9
- High negligence or reckless
- 37
- Proposed penalties
- $5,562,652
- Amount paid so far
- $4,249,709
- Inspections
- 159
- Inspector hours on site
- 6,176
- Citations per inspection
- 15.23 (all mines 2.30)
- Accident reports
- 203
- Injury and illness cases
- 184
- Fatalities
- 0
- Latest MSHA record
- October 25, 2026
Open mines of United States Steel Corp-Minnesota Ore Operations
Ranked by citations since January 1, 2022.
| Mine | Operator | County | Main commodity | Employees | Citations since 2022 |
|---|---|---|---|---|---|
| Minntac Mine | United States Steel Corp-Minnesota Ore Operations | St Louis County, MN | Iron ore | 430 | 1,116 |
| Minntac Plant | United States Steel Corp-Minnesota Ore Operations | St Louis County, MN | Iron ore | 790 | 948 |
| Keetac | United States Steel Corp-Minnesota Ore Operations | St Louis County, MN | Iron ore | 20 | 358 |
Citations and injury cases by year
Calendar years since 2022; 2026 runs to the date of the MSHA files.
| Year | Citations and orders | Significant and substantial | Proposed penalties | Injury and illness cases |
|---|---|---|---|---|
| 2022 | 580 | 101 | $1,069,948 | 34 |
| 2023 | 525 | 100 | $1,107,238 | 31 |
| 2024 | 493 | 71 | $1,563,651 | 50 |
| 2025 | 449 | 40 | $663,694 | 47 |
| 2026 | 375 | 71 | $1,158,121 | 22 |
Standards cited most at United States Steel Corp-Minnesota Ore Operations
Sections of Title 30 of the Code of Federal Regulations named on the citations, with the part each belongs to.
| Standard | What the part covers | Citations |
|---|---|---|
| 30 CFR 56.20003 | Surface metal and nonmetal mines | 809 |
| 30 CFR 56.12028 | Surface metal and nonmetal mines | 173 |
| 30 CFR 56.14112 | Surface metal and nonmetal mines | 138 |
| 30 CFR 56.14100 | Surface metal and nonmetal mines | 103 |
| 30 CFR 56.12004 | Surface metal and nonmetal mines | 100 |
| 30 CFR 56.14207 | Surface metal and nonmetal mines | 70 |
| 30 CFR 56.12032 | Surface metal and nonmetal mines | 69 |
| 30 CFR 56.11002 | Surface metal and nonmetal mines | 68 |
| 30 CFR 56.11016 | Surface metal and nonmetal mines | 66 |
| 30 CFR 56.12030 | Surface metal and nonmetal mines | 62 |
| 30 CFR 56.14107 | Surface metal and nonmetal mines | 49 |
| 30 CFR 56.16006 | Surface metal and nonmetal mines | 46 |
| 30 CFR 56.11012 | Surface metal and nonmetal mines | 35 |
| 30 CFR 56.14110 | Surface metal and nonmetal mines | 29 |
| 30 CFR 56.4104 | Surface metal and nonmetal mines | 28 |
Injury and illness cases at United States Steel Corp-Minnesota Ore Operations
Accident reports by degree of injury, as the operator reported them to MSHA.
| Degree | Cases |
|---|---|
| Permanent disability | 3 |
| Days away from work or restricted activity | 118 |
| No lost time, or an occupational illness | 63 |
What the accident reports at United States Steel Corp-Minnesota Ore Operations describe
Accident classification, as MSHA codes the circumstances that contributed most directly.
| Classification | Reports |
|---|---|
| Handling of materials | 70 |
| Slip or fall of person | 45 |
| Handtools (nonpowered) | 30 |
| Machinery | 16 |
| Powered haulage | 11 |
| Entrapment | 8 |
| Other | 7 |
| Fire | 6 |
| Nonpowered haulage | 3 |
| Hoisting | 2 |
Equipment named in accident reports at United States Steel Corp-Minnesota Ore Operations
| Equipment | Reports |
|---|---|
| Hand tools (not powered) | 30 |
| Elevator | 8 |
| Shovel | 7 |
| Hand tools (powered) | 6 |
| Front-end loader | 5 |
| Ore haulage trucks - off highway trucks | 4 |
| Machine | 4 |
| Trucks | 3 |
| Welding machine | 2 |
| Crane | 2 |
Commodities
| Main commodity | Open mines |
|---|---|
| Iron ore | 3 |
US government work, public domain. Counts come from the MSHA files published on November 6, 2026. An open mine is one MSHA lists as Active, Intermittent, New Mine, Temporarily Idled or NonProducing; 13,673 were open that day. Citations, penalties, inspections and accident reports run from January 1, 2022. A citation is an inspector's allegation and an operator can contest it; the penalty is the amount MSHA first proposed, before any contest or settlement. An operator is the legal entity MSHA assesses, and a parent company is its controller. Mines run by sole proprietors or by individuals are counted in every total and are not named. This page uses MSHA data and is not endorsed or certified by MSHA. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.