Mining Incidents

Moorpark Quarry Metal/Non-Metal

Controlled by Cemex S A
Moorpark, Ventura County, CA  ·  Active
MSHA Mine ID: 0404140

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Fatalities
0
Total incidents
14
Years on record
2000–2018
Latest incident
Aug 2018
Compliance record
MSHA citations since 2000
161
citations
41
significant & substantial
$25,216
proposed penalties
$24,119
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 7,492 0 0 0.0
2025 Q3 6,966 0 0 0.0
2025 Q2 1,748 0 0 0.0
2024 Q4 1,901 0 0 0.0
2024 Q2 1,882 2 0 1062.7
2023 Q3 3,295 0 0 0.0
2023 Q2 3,807 6 3 1576.0
2023 Q1 1,188 2 0 1683.5
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
No fatalities recorded at this mine.

Reportable incidents

14 on file

2018 · 1 incident

August 13, 2018 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
CEMEX Construction Materials Pacific, LLC · Struck against a moving object

Driving a haul truck to the excavator an hit a pot hole causing lower back to be sore

2013 · 1 incident

September 24, 2013 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
CEMEX Construction Materials LP · Fall to the walkway or working surface

During his normal shift employee was inspecting the head pulley for the surge plant stacker after completing his inspection employee was walking down the cat walk when he tripped and fell injuring his left shoulder. Employee immediately reported the injury to his supervisor. Supervisor drove employee to urgent care center.

2011 · 1 incident

July 26, 2011 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
CEMEX Construction Materials LP · Caught in, under or between a moving and a stationary object

Dozer trap and the grizly at end of its conveyor belt were plugged with boulders 1". While he was removing by hand, they release boulders at chute hit his right hand (finger point 2,3,4) because his fingers were trapped between boulders. Fingers points were bleeding and broken. Surgery was done 7/27/11

2009 · 1 incident

June 8, 2009 CA · Metal/Non-Metal outside foreman, leadman MACHINERY
CEMEX Construction Materials LP · Struck by... (Not Elsewhere Classified)

Changing cutting edges on Loader, the EE was helping install bolts and nuts. The EE was trying to align one bolt and pushing up it with right #3 finger, when co-worker tried to tight. The finger snagged by bolt when turning and the laceration of the tip and it was necessary to put 4 sutures. Direct causes: failing to use PPE, improper placement, failure to follow proper procedure.

2007 · 1 incident

September 4, 2007 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator OTHER
CEMEX Construction Materials LP · Absorption of radiations, caustics, toxic and noxious substances

During his normal shift, employee was doing his plant check at the bottom of the main shaker (wet screen) when he felt a sting to his lower, inside middle lip. He tried to frighten the bee with his hand, but his reaction was too late. He immediately reported the sting to his supervisor & manager at the maintenance shop. Manager drove him to urgent care center.

2005 · 1 incident

September 27, 2005 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
CEMEX Construction Materials LP · Over-exertion in pulling or pushing objects

Lower lumbar strain due to pulling out a buried guard.

2002 · 2 incidents

July 17, 2002 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech POWERED HAULAGE
CEMEX Construction Materials LP · Caught in, under or between two or more moving objects

EE REMOVED GUARD TO TRAIN BELT AT SCREW TAKEUP. AFTER BELT TRAINED BELT WAS SHUT OFF. EE #2 ENT TO INVESTIGATE WHY JAW CRUSHER WOULD NOT START AND TOLD INJURED EE THAT HE WOULD WORK ON IT. START SEQUENCE REQUIRES CONVEYOR BE STARTED FIRST AND WHEN EE PUSHED START BUTTON HEARD YELL AND PUSHED STOP BUTTON. EE 2 WENT TO HELP INJURED GET ARM FREE FROM PULLEY BY CUTTING BELT AND REMO

July 12, 2002 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
CEMEX Construction Materials LP · Struck by... (Not Elsewhere Classified)

WHILE USING A DISC GRINDER THE DISC SHATTERED & CUT THE EE'S THIGHS.

2001 · 3 incidents

August 8, 2001 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator OCCUPATIONAL SKIN DISEASES
CEMEX Construction Materials LP · Absorption of radiations, caustics, toxic and noxious substances

UNKNOWN EXPOSURE TO ALLERGEN

2000 · 3 incidents

December 15, 2000 CA · Metal/Non-Metal beltman, conveyor man, conveyor belt worker, mobile bridge carrierman, feeder operator, conveyor rider HANDTOOLS (NONPOWERED)
Southdown California Aggregates · Over-exertion (Not Elsewhere Classified)

SHOVELING TAIL PULLEY OF CONVEYOR. IMPOPER FOOTING. FELT STRAIN IN LOWER BACK.

October 12, 2000 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Southdown California Aggregates · Over-exertion in lifting objects

EE WAS LIFTING A SCREEN TENSION RAIL AND FELT A TWINGE IN NECK MUSCLE. HE WENT FOR MEDICAL TREATMENT ON 10/12/00 AND WAS RETURNED TO WORK THE SAME DAY ON RESTRICTED DUTY.

September 6, 2000 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator POWERED HAULAGE
Southdown California Aggregates · Over-exertion (Not Elsewhere Classified)

REPETITIVE USE OF WRIST.