Mining Incidents

Coast Aggregates Big Rock Creek Metal/Non-Metal

Coast Aggregates · Surface
Pearblossom, Los Angeles County, CA  ·  Active
MSHA Mine ID: 0405908

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Fatalities
0
Total incidents
6
Years on record
2018–2024
Latest incident
May 2024
Compliance record
MSHA citations since 2016
150
citations
58
significant & substantial
$193,340
proposed penalties
$184,236
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 21,435 0 0 0.0
2025 Q3 18,188 1 0 55.0
2025 Q2 21,310 3 0 140.8
2025 Q1 20,064 0 0 0.0
2024 Q4 20,099 9 1 447.8
2024 Q3 13,315 0 0 0.0
2024 Q2 17,460 5 0 286.4
2024 Q1 15,722 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

6 on file

2024 · 1 incident

May 10, 2024 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Coast Aggregates · Struck by rolling or sliding object

While employee was moving a piece of steel and putting on the ground the metal ladder rolled back striking employee's shin. Employee sought no medical attention due to employee saying employee would be OK.

2023 · 1 incident

April 5, 2023 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Coast Aggregates · Fall to the walkway or working surface

While pulling on a 30 mil. liner for new ponds being built, the strap broke free and individual fell to the ground. Miner in a lot of pain stating lower back hurt .

2022 · 1 incident

July 21, 2022 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman DISORDERS (PHYSICAL AGENTS)
Coast Aggregates · Contact with heat

Employee felt weak, employee told co-workers employee was on a diet & failed to eat lunch and drink water.

2021 · 1 incident

June 21, 2021 CA · Metal/Non-Metal welder (non-shop) MACHINERY
Coast Aggregates · Struck by flying object

Individual was standing nearby when another employee was grinding

2019 · 1 incident

October 22, 2019 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech POWERED HAULAGE
Coast Aggregates · Caught in, under or between running or meshing objects

The employee went beyond a roller guard that was put there to prevent anyone from reaching the roller. They should not have done that.

2018 · 1 incident

January 31, 2018 CA · Metal/Non-Metal utility man, shift tech, service/dump truck operator HANDLING OF MATERIALS
Coast Aggregates · Struck by rolling or sliding object

While removing back plate covering screen, after taking nuts and washers off we did not know that the bolts were not welded on inside of screen. The weight of the plate caused the bolts to angle downward and the plate to slide off bolts smashing employee's left hand.