Mining Incidents

Austin Quarry Metal/Non-Metal

CalMat Co. · Surface
Controlled by Vulcan Materials Company
Madera, Madera County, CA  ·  Active
MSHA Mine ID: 0405954

Austin Quarry has $3K in proposed MSHA penalties and $0 outstanding across 0 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
7
Years on record
2021–2023
Latest incident
Sep 2023
Compliance record
MSHA citations since 2022
8
citations
1
significant & substantial
$2,994
proposed penalties
$2,994
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2021
13
inspections on record
238
inspection hours
n/a
citations per 100 inspection hours
This rate is recorded citations divided by MSHA inspection hours, per 100 hours. It reflects inspection effort, not mine size or production.
Rate withheld: 238 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Austin Quarry has $3K in proposed MSHA penalties and $0 outstanding across 0 contested dockets.

Penalty disposition
Differences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.
$3K
proposed penalties
$3K
current assessed
$3K
paid to date
$0
outstanding
7 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2024-10-22.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Quarterly safety rates
Citations per million reported employee-hours. Rates begin in 2000, when MSHA's quarterly employment data starts; earlier incidents are counted but cannot be rate-adjusted. Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
Citations per million employee-hours, as reported to MSHA
Quarter Hours worked Citations S&S Per 1M hrs
2025 Q4 14,735 0 0 0.0
2025 Q3 16,854 0 0 0.0
2025 Q2 16,229 0 0 0.0
2025 Q1 15,489 0 0 0.0
2024 Q4 15,327 1 0 65.2
2024 Q3 17,164 1 0 58.3
2024 Q2 16,682 0 0 0.0
2024 Q1 13,750 0 0 0.0
Show 11 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 13,682 0 0 0.0
2023 Q3 15,233 0 0 0.0
2023 Q2 15,035 3 0 199.5
2023 Q1 11,005 0 0 0.0
2022 Q4 13,796 0 0 0.0
2022 Q3 14,008 2 1 142.8
2022 Q2 14,333 0 0 0.0
2022 Q1 13,770 0 0 0.0
2021 Q4 11,886 0 0 0.0
2021 Q3 7,465 0 0 0.0
2021 Q2 1,335 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

7 on file

2023 · 1 incident

September 29, 2023 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
CalMat Co. · Struck against a moving object

Employee reports while operating a CAT992 EE struck a toe in the wall causing EE's neck to move in a sudden backwards motion. Employee began to experience headaches and pain in EE's neck, after medical evaluation employee was released to full duty with no job restrictions. Employee was prescribed physical therapy.

2022 · 4 incidents

December 21, 2022 CA · Metal/Non-Metal miner, prospector, nec HANDLING OF MATERIALS
CalMat Co. · Over-exertion in pulling or pushing objects

Pulling hose to load a shot, pain in abdomen (Umbilical Hernia) ****injury did not become reportable till after the 1/30/23 doctors appointment****

July 6, 2022 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
CalMat Co. · Over-exertion in pulling or pushing objects

Employee was pulling a hose on the shot, hurt left shoulder.

April 15, 2022 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer POWERED HAULAGE
CalMat Co. · Over-exertion (Not Elsewhere Classified)

EE alleges strain to left thumb from operating the loader and digging out large rocks. EE requested medical treatment 06/22/2022.

February 18, 2022 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator MACHINERY
CalMat Co. · Struck by flying object

Employee was working on the jaw crusher. When EE cut the bolt, it ricocheted hitting the employee's face. Employee was treated at the emergency room and diagnosed with a fractured nose and fractured eye socket.

2021 · 2 incidents

December 20, 2021 CA · Metal/Non-Metal drill operator MACHINERY
CalMat Co. · Caught in, under or between a moving and a stationary object

While training another person, employee looked back at the drill rig, the operator motioned the drill pipe. Employee noticed the drill pipe fell out of gripper arm. When employee touched the pipe to assist it back into the gripper arm. The pipe dropped and pinched the tips of fingers 3 & 4 on right hand

August 5, 2021 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman MACHINERY
CalMat Co. · Caught in, under or between running or meshing objects

An employee was helping another mag drill holes. The plate was cleaned and drill clear, another employee turned it on at the same time IE reached back in to move a rag. It became entangled in the bit and around IE's glove. This caused lacerations to ring finger and lacerations/fractures to the tip of middle finger, resulting in the loss of 1/2 inch of the tip of middle finger.

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The full compliance file on Austin Quarry

A dated report covering the 26-year penalty trail, line-item violation pattern, contest and docket posture, rate-normalized peer benchmark, and full fatality history. Delivered as a PDF with the underlying data as CSV.