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Madera Quarry, Inc. Metal/Non-Metal

Madera Quarry Inc. · Surface

Controlled by W (Wallace) Jaxon Baker

Madera, Madera County, CA · Intermittent

MSHA Mine ID: 0405825

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Fatalities: 0
Total incidents: 2
Years on record: 2011–2016
Latest incident: Feb 2016

Compliance record

MSHA citations since 2011

citations

significant & substantial

$6,489

proposed penalties

$6,489

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	Per 1M hrs
2025 Q4	8,568	0	0.0
2025 Q3	8,601	0	0.0
2025 Q2	3,150	0	0.0
2025 Q1	2,842	2	703.7
2024 Q4	8,471	0	0.0
2024 Q3	9,779	0	0.0
2024 Q2	6,310	0	0.0
2024 Q1	5,527	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

2 on file

2016 · 1 incident

February 12, 2016 CA · Metal/Non-Metal miner, prospector, nec HANDTOOLS (NONPOWERED)

Madera Quarry LLC · Struck by... (Not Elsewhere Classified)

Plant laborer was working to clear rock that had plugged the top deck discharge chute on the #1 screen using a shovel. While dislodging the rocks, they came loose with one bouncing up and hitting EE's hand where EE was holding the shovel which resulted in a laceration to the right hand.

2011 · 1 incident

December 30, 2011 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON

Madera Quarry LLC · Fall to the walkway or working surface

Plant mechanic was working to clear a rock lodged in the tail pulley of a conveyor. Equipment was off and locked out and tagged out. Using a breaker bar to pry loose the rock, the miner lost his grip on the bar and fell backward but his left foot remained planted as his body twisted. This resulted in the dislocation of his left ankle and broken left foot.