Mojave Rock Mine has $35K in proposed MSHA penalties and $6K outstanding across 3 contested dockets, plus health sampling and the full incident record.
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Fatalities
0
Total incidents
1
Years on record
2024
Latest incident
Aug 2024
Compliance record
MSHA citations since 2019
53
citations
21
significant & substantial
$35,343
proposed penalties
$16,138
paid to date
46% of proposed penalties paid to date, a $19,205 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2017
23
inspections on record
417
inspection hours
n/a
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.
Rate withheld: 417 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Mojave Rock Mine has $35K in proposed MSHA penalties and $6K outstanding across 3 contested dockets.
Penalty disposition
ⓘDifferences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.
$35K
proposed penalties
$22K
current assessed
$16K
paid to date
$6K
outstanding
47 assessments are final orders; 3 contested dockets.
As of the most recent assessment on 2026-04-21.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Quarterly safety rates
ⓘCitations per million reported employee-hours. Rates begin in 2000, when MSHA's quarterly employment data starts; earlier incidents are counted but cannot be rate-adjusted. Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
Citations per million employee-hours, as reported to MSHA
A truck driver, that is not an employee of MRC Rock & Sand LLC, was found unresponsive after getting loaded with rock. It is determined that the driver lost consciousness due to a medical emergency. Driver was transported to the hospital and survived the event.
For insurers, brokers, and safety consultants
The full compliance file on Mojave Rock Mine
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.