MP Mine Operations, LLC. operator
Controlled by
MP Materials Corporation
MSHA operator ID: 0154633
- Fatalities
- 0
- Total incidents
- 94
- Mines on record
- 1
- Years on record
- 2018–2026
Compliance record
MSHA citations since 2018
277
citations
48
significant & substantial
$196,845
proposed penalties
$181,077
paid to date
92% of proposed penalties paid to date, a $15,768 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2018
81
inspections on record
2,361
inspection hours
11.7
citations per 100 inspection hours
ⓘ
This rate is recorded citations divided by MSHA inspection hours, per 100 hours. It reflects inspection effort, not mine size or production.277 citations across 2,361 inspection hours.
Source: MSHA inspections data, updated weekly.
Penalty disposition
ⓘ
Differences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.$197K
proposed penalties
$197K
current assessed
$181K
paid to date
$16K
outstanding
270 assessments are final orders; 2 contested dockets.
As of the most recent assessment on 2026-01-12.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Top causes
- SLIP OR FALL OF PERSON 38 non-fatal
- HANDLING OF MATERIALS 29 non-fatal
- MACHINERY 9 non-fatal
- OTHER 7 non-fatal
- HANDTOOLS (NONPOWERED) 4 non-fatal
- POWERED HAULAGE 3 non-fatal
Incident timeline
2026
16
2025
15
2024
13
2023
12
2022
3
2021
8
2020
14
2019
3
2018
10
Mines on record
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For insurers, brokers, and safety consultants
The full compliance file on MP Mine Operations, LLC.
A dated report covering the 26-year penalty trail, line-item violation pattern, contest and docket posture, rate-normalized peer benchmark, and full fatality history. Delivered as a PDF with the underlying data as CSV.