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Mojave Rock Mine Metal/Non-Metal

MRC Rock & Sand, LLC. · Surface

Controlled by Roko Grbic; Mile Grbic

Mojave, Kern County, CA · Active

MSHA Mine ID: 0405917

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Email me when a new MSHA incident is filed at Mojave Rock Mine.

Fatalities: 0
Total incidents: 1
Years on record: 2024
Latest incident: Aug 2024

Compliance record

MSHA citations since 2019

citations

significant & substantial

$35,343

proposed penalties

$15,476

paid to date

Source: MSHA violations data, updated weekly.

Quarterly safety rates

Citations per million employee-hours, as reported to MSHA

Quarter	Hours worked	Citations	S&S	Per 1M hrs
2025 Q4	6,478	0	0	0.0
2025 Q3	5,797	0	0	0.0
2025 Q2	6,927	5	1	721.8
2025 Q1	7,065	4	2	566.2
2024 Q4	6,512	0	0	0.0
2024 Q3	7,459	2	0	268.1
2024 Q2	6,601	0	0	0.0
2024 Q1	6,849	0	0	0.0

Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.

No fatalities recorded at this mine.

Reportable incidents

1 on file

2024 · 1 incident

August 20, 2024 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver OTHER

MRC Rock & Sand, LLC. · Unclassified, insufficient data

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.