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Humboldt Quarries Metal/Non-Metal

Controlled by Humboldt County-CA
eureka, Humboldt County, CA  ·  Intermittent
MSHA Mine ID: 0402714

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Email me when a new MSHA incident is filed at Humboldt Quarries.

Fatalities
0
Total incidents
5
Years on record
2008–2022
Latest incident
Aug 2022
Compliance record
MSHA citations since 2004
28
citations
5
significant & substantial
$3,341
proposed penalties
$3,341
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 78 0 0 0.0
2025 Q3 340 0 0 0.0
2025 Q2 657 0 0 0.0
2025 Q1 367 0 0 0.0
2024 Q4 0 0 0
2024 Q3 318 0 0 0.0
2024 Q2 347 0 0 0.0
2024 Q1 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

5 on file

2022 · 2 incidents

August 10, 2022 CA · Metal/Non-Metal barge/boat/dredge/towbarge/towboat/leach operator, riverman, deck hand SLIP OR FALL OF PERSON
Humboldt County Department of Public Works · Fall to the walkway or working surface

I was walking down a slight incline in the rock pit, and there was loose gravel that gave way under my right foot, resulting in me falling to the ground from standing height. When I fell I landed on my left knee, and my right wrist. My left knee had minor scrapes and cuts, and my right wrist received a hard impact and resulted in lots of pain and swelling.

August 4, 2022 CA · Metal/Non-Metal barge/boat/dredge/towbarge/towboat/leach operator, riverman, deck hand HANDLING OF MATERIALS
Humboldt County Department of Public Works · Over-exertion in pulling or pushing objects

Not sure exactly what may have caused injury. I pulled on a water pump pull start motor. Pulled around hose watering pit grounds, it's very heavy. Started running 970 loader and just noticed pain in right shoulder around 11:00 am. Noticed shoulder was worse by 3:00 pm.

2019 · 2 incidents

August 22, 2019 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman MACHINERY
Humboldt County Department of Public Works · Inhalation of radiations, caustics, toxic and noxious substances

On Wednesday 08/21/2019 this employee was working at crusher site picking rebar from conveyor. On Thursday 08/22/2019 employee told supervisor that it was painful to breathe/sore throat/stuffy nose. Employee said it was the dust from the crusher and wanted to go to the doctor.

2008 · 1 incident