MP Materials Corporation controller
MSHA controller ID: 0159521
Watch this controller
Email me when a new MSHA incident is filed at any mine MP Materials Corporation controls.
- Fatalities
- 0
- Total incidents
- 70
- Mines on record
- 1
- Years on record
- 2020–2026
Compliance record
MSHA citations since 2021
183
citations
27
significant & substantial
$136,521
proposed penalties
$120,753
paid to date
88% of proposed penalties paid to date, a $15,768 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2021
70
inspections on record
1,749
inspection hours
10.5
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.183 citations across 1,749 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.$137K
proposed penalties
$137K
current assessed
$121K
paid to date
$16K
outstanding
176 assessments are final orders; 0 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 29 non-fatal
- HANDLING OF MATERIALS 18 non-fatal
- MACHINERY 8 non-fatal
- OTHER 5 non-fatal
- HANDTOOLS (NONPOWERED) 3 non-fatal
- POWERED HAULAGE 3 non-fatal
Incident timeline
2026
16
2025
15
2024
13
2023
12
2022
3
2021
8
2020
3
Operators under this controller
Mines on record
For insurers, brokers, and safety consultants
The full compliance file on MP Materials Corporation
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.