Mining Incidents

MAITRI CANYON PLANT Metal/Non-Metal

Controlled by Eric Werner; Pat Broyles
Corona, Riverside County, CA  ·  Active
MSHA Mine ID: 0403684

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Fatalities
0
Total incidents
8
Years on record
2000–2024
Latest incident
Oct 2024
Compliance record
MSHA citations since 2000
273
citations
79
significant & substantial
$126,027
proposed penalties
$120,291
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 24,853 0 0 0.0
2025 Q3 28,105 3 1 106.7
2025 Q2 26,466 0 0 0.0
2025 Q1 26,875 2 1 74.4
2024 Q4 23,840 0 0 0.0
2024 Q3 19,055 5 2 262.4
2024 Q2 21,384 0 0 0.0
2024 Q1 18,562 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

8 on file

2024 · 2 incidents

October 9, 2024 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Foster Sand & Gravel · Struck by flying object

Miner was changing the teeth on an excavator bucket (Cat 390 #1-15). The miner was using a hammer to strike the retaining pin on the tooth when a piece of steel broke and hit the miner in EE's right leg causing a laceration.

May 15, 2024 CA · Metal/Non-Metal miner, prospector, nec SLIP OR FALL OF PERSON
Foster Sand & Gravel · Over-exertion (Not Elsewhere Classified)

Miner was climbing down from feeder and stepped on berm. Miner rolled right ankle. Medical evaluation revealed fracture of distal fibula.

2022 · 1 incident

November 28, 2022 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Foster Sand & Gravel · Fall onto or against objects

Miner was repairing the wash screw tub and was carrying a fabricated part to install. EE lost footing as EE walked under the tub and struck head on the flange of a nearby water pipe. EE received a laceration above the right eye. EE was taken to the clinic to receive treatment.

2021 · 1 incident

April 2, 2021 CA · Metal/Non-Metal welder (shop) HANDLING OF MATERIALS
Foster Sand & Gravel · Struck against stationary object

Employee (plant repairman) was removing welding hose from truck and cut thumb on the body of the truck.

2019 · 1 incident

December 3, 2019 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech OTHER
Foster Sand & Gravel · (Not Elsewhere Classified)

At approx 2:39 PM under cloudy cool conditions, EE had just completed repairs to vibratory screen (S-9) and had descended the catwalk to the ground. EE was preparing to enter the passenger side of the repair truck cab when EE succumbed to a seizure. Paramedics were called immediately and removed EE to seek medical attention.

2009 · 1 incident

January 30, 2009 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator SLIP OR FALL OF PERSON
Foster Sand & Gravel · Fall from machine

Employee seems to have fallen out of his loader following fueling. He does not remember what happened, but evidence at the scene indicates that the nozzle was left in the tank as he drove away. Injuries to the employee include broken ankle, shoulder, ribs, nose, and facial fractures.

2005 · 1 incident

2000 · 1 incident

May 31, 2000 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDTOOLS (NONPOWERED)
Foster Sand & Gravel · Struck by... (Not Elsewhere Classified)

EMPLOYEE WAS REMOVING LOADER FROM BUCKET USING A SLEDGE HAMMER UPON STRIKING TOOTH A SLIVER OF METAL BROKE OFF AND PENETRATED LOWER LEG.