Mining Incidents

Lucerne Valley Pit Metal/Non-Metal

Controlled by Robar Enterprises Inc
Lucerne Valley, San Bernardino County, CA  ·  Active
MSHA Mine ID: 0403178

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Fatalities
0
Total incidents
3
Years on record
2001–2017
Latest incident
Mar 2017
Compliance record
MSHA citations since 2000
202
citations
65
significant & substantial
$214,811
proposed penalties
$122,494
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 4,662 0 0 0.0
2025 Q2 4,483 1 1 223.1
2025 Q1 3,372 0 0 0.0
2024 Q4 4,703 4 2 850.5
2024 Q3 4,683 0 0 0.0
2024 Q1 3,306 0 0 0.0
2023 Q4 600 1 0 1666.7
2023 Q3 3,147 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

3 on file

2017 · 1 incident

March 21, 2017 CA · Metal/Non-Metal welder (shop) ENTRAPMENT
Hi-Grade Materials Co · Caught in, under or between collapsing material or buildings

While attempting to change skirting on conveyor, employee entered the dozer trap to remove bolts, equipment operator pushed material into the hopper and buried employee with material.

2002 · 1 incident

August 2, 2002 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator MACHINERY
Hi-Grade Materials Co · Flash burns (welding)

EMPLOYEE WAS WELDING AND THE WELDING ARC BOUNCED OFF THE TRUCK BEHIND HIM AND HIT THE INSIDE OF HIS WELDING HELMET.

2001 · 1 incident

August 16, 2001 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator POWERED HAULAGE
Hi-Grade Materials Co · Struck against a moving object

EE WAS DRIVING A LOADER AND THE BOUNCING AROUND CAUSED TWIST OF LEFT TESTICLE.