Mining Incidents

Arcosa Frazier Park Plant# 1603 Metal/Non-Metal

ARCOSA LWFP, LLC · Surface
Controlled by Arcosa, Inc
Frazier Park, Ventura County, CA  ·  Active
MSHA Mine ID: 0400555

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Email me when a new MSHA incident is filed at Arcosa Frazier Park Plant# 1603.

Fatalities
0
Total incidents
51
Years on record
2000–2025
Latest incident
Jun 2025
Compliance record
MSHA citations since 2000
167
citations
40
significant & substantial
$37,296
proposed penalties
$29,821
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 14,128 0 0 0.0
2025 Q3 2,053 0 0 0.0
2025 Q2 11,331 1 0 88.3
2025 Q1 12,960 0 0 0.0
2024 Q4 1,468 2 1 1362.4
2024 Q3 11,480 0 0 0.0
2024 Q1 10,141 3 0 295.8
2023 Q4 14,403 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

51 on file

2025 · 2 incidents

June 23, 2025 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech OTHER
ARCOSA LWFP, LLC · Bodily reaction, (Not Elsewhere Classified)

Employee was working on replacing skirting on this particular conveyor. Employee was kneeling down when they stood up and turned, resulting in a knee strain. As of 8/15/25 employee has an MCL tear right knee.

March 7, 2025 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech STEPPING OR KNEELING ON OBJECT
ARCOSA LWFP, LLC · Over-exertion (Not Elsewhere Classified)

Upper Pier on K4 Kiln welding retention blocks. Stepping down from ladder and stepped on things underneath the ladder causing employee to twist and strain back. As of 6/24/25 Modifications to desk duty by Medical professional.

2023 · 1 incident

August 2, 2023 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
ARCOSA LWFP, LLC · Struck against stationary object

Employee was using a pry bar to unplug a chute. left hand slipped and knuckles struck a piece of angle iron. laceration to knuckle area between index and middle finger. stitches required.

2022 · 1 incident

May 10, 2022 CA · Metal/Non-Metal dryer operator, kiln operator, dry plant operator, fluid operator, bed dryer operator HANDLING OF MATERIALS
ARCOSA LWFP, LLC · Absorption of radiations, caustics, toxic and noxious substances

Lighting kiln and had a puff of hot air to face area

2019 · 1 incident

September 6, 2019 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
ARCOSA LWFP, LLC · Struck by... (Not Elsewhere Classified)

Employee was lowering a loader hood when it landed on employee's co-worker's foot.

2018 · 2 incidents

September 9, 2018 CA · Metal/Non-Metal miner, prospector, nec SLIP OR FALL OF PERSON
ARCOSA LWFP, LLC · Fall from machine

Employee was climbing the ladder to the disentegrator deck when they lost footing, causing them to fall to the ground, and employee felt pain in their elbow.

February 12, 2018 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech POWERED HAULAGE
ARCOSA LWFP, LLC · Struck against a moving object

Struck left elbow on extended reach forklift arm rest.

2017 · 1 incident

January 27, 2017 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech POWERED HAULAGE
ARCOSA LWFP, LLC · Struck against a moving object

Employee was driving the service truck to the "boneyard". Employee drove over a small 6" dip in the road. As employee drove over the rough terrain employee felt soreness in the neck.

2016 · 7 incidents

August 30, 2016 CA · Metal/Non-Metal mine manager, mine foreman, mine owner FIRE
ARCOSA LWFP, LLC · Inhalation of radiations, caustics, toxic and noxious substances

Employees noticed smoke coming out of the cooler tower. They called on the radio to alert coworkers of the fire. Multiple employees brought fire extinguishers to the cooling tower area. Employees tried to extinguish the fire with several fire extinguishers. While fighting the fire employees were exposed to smoke inhalation. They were given a prescription inhaler

August 30, 2016 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech FIRE
ARCOSA LWFP, LLC · Inhalation of radiations, caustics, toxic and noxious substances

Employees noticed smoke coming out of cooler tower. They called on the radio to alert coworkers of fire. Multiple employees brought fire extinguishers to the cooling tower area. Employees tried to extinguish fire with several fire extinguishers. While fighting fire employees were exposed to smoke inhalation. They were given a prescription inhaler

August 30, 2016 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech FIRE
ARCOSA LWFP, LLC · Inhalation of radiations, caustics, toxic and noxious substances

Employees noticed smoke coming out of the cooler tower. They called on the radio to alert coworkers of the fire. Multiple employees brought fire extinguishers to the cooling tower area. Employees tried to extinguish the fire with several fire extinguishers. While fighting the fire, employees were exposed to smoke inhalation. They were given a prescription inhaler

August 30, 2016 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator FIRE
ARCOSA LWFP, LLC · Inhalation of radiations, caustics, toxic and noxious substances

Employees noticed smoke coming out of the cooler tower. They called on the radio to alert coworkers of the fire. Multiple employees brought fire extinguishers to the cooling tower area. Employees tried to extinguish the fire with several fire extinguishers. While fighting the fire employees were exposed to smoke inhalation. They were given a prescription inhaler.

August 30, 2016 CA · Metal/Non-Metal belt foreman, maintenance foreman, maintenance supervisor FIRE
ARCOSA LWFP, LLC · Inhalation of radiations, caustics, toxic and noxious substances

Employees noticed smoke coming out of the cooler tower. They called on the radio to alert coworkers of the fire. Multiple employees brought fire extinguishers to the cooling tower area. Employees tried to extinguish the fire with several fire extinguishers. While fighting the fire employees were exposed to smoke inhalation. They were given a prescription inhaler.

August 30, 2016 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator FIRE
ARCOSA LWFP, LLC · Inhalation of radiations, caustics, toxic and noxious substances

Employees noticed smoke coming out of the cooler tower. They called on the radio to alert coworkers of the fire. Multiple employees brought fire extinguishers to the cooling tower area. Employees tried to extinguish the fire with several fire extinguishers. While fighting the fire employees were exposed to smoke inhalation. They were given prescription inhalers.

April 12, 2016 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
ARCOSA LWFP, LLC · Struck by falling object

Employee was trying to remove a metal door on the disentegrator. As the door came loose ee lost grip. The door fell and smashed left wrist.

2015 · 4 incidents

December 5, 2015 CA · Metal/Non-Metal welder (shop) MACHINERY
ARCOSA LWFP, LLC · Struck by flying object

blowing out material with air wand

October 10, 2015 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
ARCOSA LWFP, LLC · Caught in, under or between a moving and a stationary object

Employee was cleaning out extruder. The chute that drops down to run out the plugs, slipped and smashed his right ring finger.

July 8, 2015 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
ARCOSA LWFP, LLC · Struck by flying object

Employee was vacuuming debris from jack hammer when a piece of debris flew up under his safety glasses. The debris caused minimum irritation. Employee's condition worsened as time went on. Doctors put him on restricted duty to stay away from dusty environments.

March 19, 2015 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
ARCOSA LWFP, LLC · Over-exertion in wielding or throwing objects

Employee was attempting to throw a rope over a portable water tank that was loaded on a flat bed trailer. When he threw the rope he felt a sharp pain in his left arm. Doctor put employee on restricted duty.

2014 · 1 incident

December 12, 2014 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
ARCOSA LWFP, LLC · Over-exertion (Not Elsewhere Classified)

Employee was moving/connecting hose on a portable pump in muddy conditions. He slipped and strained his lower back. Doctor put him on restricted duty.

2013 · 4 incidents

December 10, 2013 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
ARCOSA LWFP, LLC · Struck by... (Not Elsewhere Classified)

Employee was helping replace a shaft on a gear box. They were trying to beat the opposite side with a hammer. While holding the opposite side the gear box, it slipped and hit his hand. A small peace of metal was stuck in his left hand.

August 6, 2013 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
ARCOSA LWFP, LLC · Struck by... (Not Elsewhere Classified)

EE was shoveling underneath a conveyor belt. He struck an object embedded in the ground with the shovel. This caused a contusion to his right wrist.

June 19, 2013 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
ARCOSA LWFP, LLC · Caught in, under or between a moving and a stationary object

Employee was installing new V-belts on K-3 shuttle drive using a pipe wrench to roll on belts when the pipe wrench slipped smashing his left index finger between the wrench and motor base. Employee suffered an open wound and hematoma.

June 17, 2013 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDTOOLS (NONPOWERED)
ARCOSA LWFP, LLC · Struck by flying object

Co-worker was using a hammer to drive the pin out of the excavator tracks employee was on the other side when the pin came out and struck his arm. This caused a large cut on employee's right forearm. He returned to work the following day.

2010 · 2 incidents

August 27, 2010 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Pacific Custom Materials Inc · Fall from scaffolds, walkways, platforms

Employee was changing out extruder grid when he inadvertenty moved a protective cover over a section of catwalk that was under construction. Employee had been aware and warned of the covering over the catwalk. Employee lost his balance causing him to fall.

April 30, 2010 CA · Metal/Non-Metal dryer operator, kiln operator, dry plant operator, fluid operator, bed dryer operator OTHER
Pacific Custom Materials Inc · Struck by flying object

Walking around K-3 Kiln gust of wind blew dust and metal particals in face and eyes. a foreign piece of metal went into left eye.

2009 · 3 incidents

July 16, 2009 CA · Metal/Non-Metal belt foreman, maintenance foreman, maintenance supervisor DISORDERS (PHYSICAL AGENTS)
Pacific Custom Materials Inc · Contact with heat

Employee felt hot, went to get more water and felt faint. Safety Coordinator at the facility called paramedics as a precatuionary. Employee was taken to Hospital and later that evening was released.

January 9, 2009 CA · Metal/Non-Metal ledgeman/hand, quarry man OTHER
Pacific Custom Materials Inc · Caught in, under or between a moving and a stationary object

Employee was in manbasket attempting to weld wear ring on rear of kiln when a gust of wind took it out of his grip and pinched right thumb between new wear ring and rear of hood.

2008 · 3 incidents

September 7, 2008 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator FALLING/SLIDING/ROLLING MATERIALS
Pacific Custom Materials Inc · Struck by flying object

Employee was walking by a screen when a piece of material flew into his left eye.

May 8, 2008 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Pacific Custom Materials Inc · Fall onto or against objects

EE tripped on steps, struck left knee on vertical part of hand rail. Fell, got back up, with bruised and scratched left knee.

January 29, 2008 CA · Metal/Non-Metal dryer operator, kiln operator, dry plant operator, fluid operator, bed dryer operator SLIP OR FALL OF PERSON
Pacific Custom Materials Inc · Fall to the walkway or working surface

Employee was filling a rental compressor with diesel. As he lifted the can to pour he lost his footing & fell, hurting his back.

2007 · 1 incident

January 22, 2007 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman POWERED HAULAGE
Pacific Custom Materials Inc · Caught in, under or between (Not Elsewhere Classified)

Employee and other ee were attempting to restart a conveyor. as He was cleaning the inside of the convoyer with his arm, Other EE turned on the conveyor.

2006 · 2 incidents

August 23, 2006 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Pacific Custom Materials Inc · Fall from machine

Truck driver fell off from the back step approximately 3 ft. while tarping trailer and broke his right leg.

April 1, 2006 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)
Pacific Custom Materials Inc · Caught in, under or between a moving and a stationary object

While tightening the nose cone bolt with his foot and holding the wrench with his left hand and keeping the bolt from turning with his left foot, the bolt turned catching his left index finger between the end of the wrench and nose cone. This smashed his left index finger.

2005 · 1 incident

October 6, 2005 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Pacific Custom Materials Inc · Caught in, under or between a moving and a stationary object

HE WAS PUTTING A NEW 14" THURST ROLLER ON K-Y COOLER WHEN IT SLIPPED AND PINCHED HIS RIGHT RING FINGER.

2004 · 4 incidents

December 14, 2004 CA · Metal/Non-Metal assayer, geologist, metallurgist, engineer, engineer management MACHINERY
Pacific Custom Materials Inc · Struck by flying object

Hot dust putting out of rotary kiln #3 flew into eyes as i was walking by. Prescription issued 1-26-05.

August 29, 2004 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator OTHER
Pacific Custom Materials Inc · Contact with hot objects or substances

EMPLOYEE WAS DUMPING HOT ROCK ONTO PILE WHEN WIND BLEW HOT AMBERS ONTO HIS ARMS, LOWER BACK AND NECK. EMPLOYEE LIFTED BUCKET OF BOBCAT ABOVE CAGE TO DUMP.

May 22, 2004 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Pacific Custom Materials Inc · Fall to the walkway or working surface

EE WAS DESCENDING STEPS WHEN HE FELT SHARP PAIN IN JAW. EE HAD AN INFECTION IN HIS JAW. EE PULLED HANDS OFF OF HANDRAILS TO GRAB AT HIS FACE. EE LOST HIS BALANCE & FELL & BROKE RIGHT LEG BETWEEN KNEE & ANKLE.

February 18, 2004 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Pacific Custom Materials Inc · Caught in, under or between a moving and a stationary object

DURING DRIVEBELT REPLACEMENT, DRAWING V-BELTS THROUGH A SIX-GROOVE SHEAVE ATTEMPTING TO ROLL THE V-BELT INTO PLACE, HE PINCHED HIS LEFT INDEX & LITTLE FINGER BETWEEN SHEAVE & DRIVEBELT. MEDICATION: CEPHALEXIN FOR INFECTION, PROPOXYPH FOR PAIN, NAPROXEN FOR INFLAMMATION.

2003 · 1 incident

2002 · 4 incidents

September 30, 2002 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Pacific Custom Materials Inc · Fall to lower level, (Not Elsewhere Classified)

WAS WALKING BY WATER TANK FELL IN HOLE THAT WAS MADE BY OVERFLOWINNING WATER. STRAIN TO GROIN.

June 21, 2002 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Pacific Custom Materials Inc · Struck by falling object

HIS EXTRUDER WET PLUGGED WENT TO DIG OUT LIFTED GAURD HELD IT UP ON HIS SHOULDER WHILE SHOVELING INTHE EXTRUDOR THE SHOVEL STUCK IN MUD GUARD FELL OFF HIS SHOULDER CAUSING A CONTUSION TO HIS L EFT MIDDLE FINGER.

March 22, 2002 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Pacific Custom Materials Inc · Over-exertion (Not Elsewhere Classified)

DOING HIS NORMAL DAILY ROUTINE OF RUNNING THE RAW PLANT HE STRAINED HIS LOWER BACK. REPORTABLE BECAUSE OF THE PRESCRIPTION PILLS. MOTRIN, FLEXERIL, VICODIN.

February 25, 2002 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Pacific Custom Materials Inc · Fall to the walkway or working surface

WAS WALKING DOWN ACCESS RAMP SLIPPED ON LOOSE MATERIAL THAT HAD SPILLED ON RAMP AREA AND FELL, LANDED ON HIP, STRAIN TO BACK, KNEE, SHOULDER.

2001 · 3 incidents

November 11, 2001 CA · Metal/Non-Metal dryer operator, kiln operator, dry plant operator, fluid operator, bed dryer operator SLIP OR FALL OF PERSON
Pacific Custom Materials Inc · Over-exertion (Not Elsewhere Classified)

WAS CHECKING OUT HIS COOLER AREA SLIPPED ON SOME WET MATERIAL AND SPRAINED RIGHT KNEE. THIS WAS NOT RECORDABLE AND NOW THEY WANT TO SEND HIM TO THERAPY AND AN MRI

August 14, 2001 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Pacific Custom Materials Inc · Struck by... (Not Elsewhere Classified)

WAS PLACING SQUARE TUBING PIECE OF STEEL ON GROUND END SLID DOWN ACROSS FINGERS CUTTING FINGERS.

March 15, 2001 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Pacific Custom Materials Inc · Struck by... (Not Elsewhere Classified)

EMPLOYEE WAS USING A 2 LB SLEDGE HAMMER AND A BOLT TRYING TO REMOVE ANOTHER BOLT OUT OF THE HAMMER MILL ROTOR. HE SWUNG THE HAMMER AND HIT HIS LEFT THUMB CAUSING MEDIAL AND LATERAL LACERATIONS AND CRUSHING THE TIP OF HIS LEFT THUMB.

2000 · 3 incidents

July 27, 2000 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Pacific Custom Materials Inc · Fall to the walkway or working surface

EE WAS FIXING A WATER LINE IN A TRENCH, EE WAS FINISHING UP THE JOB. WHEN HE STARTED WALKING BACKWARDS, HE TRIPED & FELL STRICKING HIS LEFT ELBOW ON THE GROUND.

January 4, 2000 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)
Pacific Custom Materials Inc · Over-exertion in wielding or throwing objects

SWINGING A HAMMER TRYING TO TAKE A KNIFE OFF THE EXTRUDER SHAFT.