Mining Incidents

Dupont Pit Metal/Non-Metal

CalPortland Company · Surface
Controlled by Taiheiyo Cement Corp
Dupont, Pierce County, WA  ·  Active
MSHA Mine ID: 4503334

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Fatalities
1
Total incidents
54
Years on record
2000–2025
Latest incident
Nov 2025
Compliance record
MSHA citations since 2000
134
citations
12
significant & substantial
$24,706
proposed penalties
$24,692
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 25,872 11 2 425.2
2025 Q3 23,245 2 0 86.0
2025 Q2 27,218 0 0 0.0
2025 Q1 21,684 3 0 138.4
2024 Q4 3,222 0 0 0.0
2024 Q3 3,213 5 0 1556.2
2024 Q2 23,351 0 0 0.0
2024 Q1 4,228 4 1 946.1
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.

Fatalities at this mine

1 recorded

Reportable incidents

53 on file (excluding fatalities above)

2025 · 2 incidents

November 17, 2025 WA · Metal/Non-Metal miner, prospector, nec HANDLING OF MATERIALS
CalPortland Company · Over-exertion in pulling or pushing objects

EE was using a cat telehandler to move urethane sheets from the shop to chem ad, load shifted and EE stopped and was attempting to readjust the load when they heard a small pop in their right shoulder.

June 11, 2025 WA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator POWERED HAULAGE
CalPortland Company · Struck against a moving object

EE stated EE has a sore back from running loader

2024 · 1 incident

November 1, 2024 WA · Metal/Non-Metal barge/boat/dredge/towbarge/towboat/leach operator, riverman, deck hand DISORDERS (REPEATED TRAUMA)
CalPortland Company · (Not Elsewhere Classified)

Recordable Hearing Loss in left ear

2023 · 1 incident

November 17, 2023 WA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
CalPortland Company · Struck by... (Not Elsewhere Classified)

Employee was performing a king pin installation, had a shim get stuck and when they pulled on shim to remove, the shim broke and cut their left index finger which required 3 stitches.

2022 · 3 incidents

November 3, 2022 WA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech NONPOWERED HAULAGE
CalPortland Company · Struck by falling object

EE was pushing a barrel on a roller cart when one of the wheels got caught on a rock/debris on the shop floor. This caused the barrel to begin to tip. EE reached out and caught it and in doing so deeply lacerated the tip of a finger on right hand on the underside of the barrel lip. EE needed five stitches and returned to duty the next day.

March 22, 2022 WA · Metal/Non-Metal electrician, lineman HANDLING OF MATERIALS
CalPortland Company · Over-exertion in pulling or pushing objects

Employee 1 was working with employee 2 pulling wire through new conduit. The two employees took turns between pulling and feeding wire. Employee 1 eventually wrapped the mule tape around a piece of conduit to gain better leverage. After the work had been completed employee 1 told employee 2 that employee 1 believed employee 1 had tweaked back.

February 4, 2022 WA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator OTHER
CalPortland Company · (Not Elsewhere Classified)

Personal medical emergency - stroke

2020 · 1 incident

January 17, 2020 WA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
CalPortland Company · Caught in, under or between a moving and a stationary object

While removing gear box from shaft ee's thumb was pinched between lifting chain and gear box. EE sought medical treatment the following day (Saturday). Was released to full duty on Monday.

2019 · 1 incident

January 2, 2019 WA · Metal/Non-Metal electrician, lineman HANDLING OF MATERIALS
CalPortland Company · Over-exertion in lifting objects

While maneuvering an electrical component employee felt discomfort in EE's back, continued to work the remainder of the shift. Diagnosed with back strain on 1/4 restricted from work until 1/16.

2018 · 1 incident

January 15, 2018 WA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
CalPortland Company · Over-exertion in wielding or throwing objects

Miner was using a 30 ton ram and a 16 lb hammer to replace pins on a D10 undercarriage. While swinging the hammer to loosen the pins, ee felt some pain in back. EE reported this to employer, but didn't want medical care. Unbeknownst to the operator, employee sought chiropractic care. On 2/20/18 employee asked the operator to provide medical care and filed a claim.

2017 · 1 incident

November 27, 2017 WA · Metal/Non-Metal clerk, timekeeper, office worker, director of sales SLIP OR FALL OF PERSON
CalPortland Company · Fall onto or against objects

Employee tripped over a box while preparing a package for shipment and fell into a cabinet receiving contusions to right forearm, elbow, and shoulder region. Initial treatment was diagnostic in nature only, returned to full duty. Employee received physical therapy for shoulder contusion on 12/14/2017. Injury became reportable on 12/14/2017.

2016 · 1 incident

August 19, 2016 WA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
CalPortland Company · Struck against stationary object

An employee was installing a tensioner pulley on a D10N motor. The employee grabbed the tensioner pulley without realizing how sharp the outer edge of the pulley was. The employee was wearing latex gloves at the time of the incident.

2015 · 1 incident

May 28, 2015 WA · Metal/Non-Metal welder (non-shop) HANDTOOLS (NONPOWERED)
CalPortland Company · Struck by... (Not Elsewhere Classified)

EE struck right thumb with 4# hammer while installing a pin in a bucket shroud resulting in a crushing/laceration injury to the thumb requiring 3 stitches. no restricted duty

2014 · 1 incident

October 28, 2014 WA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer DISORDERS (REPEATED TRAUMA)
CalPortland Company · (Not Elsewhere Classified)

Recordable Hearing Loss Left Ear

2011 · 2 incidents

April 6, 2011 WA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
CalPortland Company · Struck against stationary object

Employee was using a 4" grinder with flapper wheel attached in a kneeling position. Upon completing his task effected employee released the trigger and started to stand up when the back of his right hand came in contact with the still rotating flapper wheel causing a laceration to the back of his hand requiring 4 stitches.

January 18, 2011 WA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
CalPortland Company · Struck by... (Not Elsewhere Classified)

Effected employee was handing a return roller guard up to a co-worker; the guard slipped out of the co-worker's hand and fell striking the effected employee on the hard hat and shoulder. The force of impact caused the employee to bite down breaking 1 front tooth and chipping the other front tooth, he also sprained his neck and bruised his right shoulder.

2010 · 1 incident

October 5, 2010 WA · Metal/Non-Metal belt foreman, maintenance foreman, maintenance supervisor HANDLING OF MATERIALS
CalPortland Company · Caught in, under or between (Not Elsewhere Classified)

Employee was replacing on a brake can; while caging the spring the can slipped and the employee's right thumb was pinched/cut requiring 9 stitches.

2009 · 2 incidents

October 23, 2009 WA · Metal/Non-Metal barge/boat/dredge/towbarge/towboat/leach operator, riverman, deck hand SLIP OR FALL OF PERSON
CalPortland Company · Fall to the walkway or working surface

Employee slipped on dock catwalk, fell and sprained left knee. It was raining at the time and that section of catwalk was slippery due to the weather conditions and some algea growth.

March 26, 2009 WA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer MACHINERY
CalPortland Company · Struck against a moving object

Affected employee was operating a dozer during his shift. He complained of back pain but indicated that no particular incident had occurred causing this pain but thought it was from operating the dozer. The employee was taken for medical observation where it was determined that he had a strain to the lower back. He was placed on modified duty.

2008 · 2 incidents

August 19, 2008 WA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
CalPortland Company · Struck by... (Not Elsewhere Classified)

While working on a conveyor belt repair the employee was using a utility knife, the knife slipped and the employee received a cut to his hand. The cut required 5 stitches.

July 24, 2008 WA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
CalPortland Company · Struck by... (Not Elsewhere Classified)

foreign object in eye, employee used eye wash to flush his eye, thought he had rinsed it out. The next morning eye was irritated so he was sent to the clinic where they removed a steel sliver from the employee's left eye.

2007 · 1 incident

October 10, 2007 WA · Metal/Non-Metal outside foreman, leadman HANDLING OF MATERIALS
CalPortland Company · Caught in, under or between (Not Elsewhere Classified)

Employee was positioning a jackstand under a trailer. While his right hand slipped allowing the head of the jackstand to fall and pinch his left index finger. Employee received 5 stitches and returned to work his following shift.

2006 · 1 incident

2004 · 3 incidents

December 14, 2004 WA · Metal/Non-Metal weighman, scale person POWERED HAULAGE
CalPortland Company · Struck by... (Not Elsewhere Classified)

Employee was changing tickets in printer when a customer's truck bumped the printer enclosure bruising arm. Note: this injury was limited to one doctors visit and was first aid only until 1-31-05, She still had a sore arm so she is going to physical therapy, this is why this injury is being reported at this time.

July 9, 2004 WA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
CalPortland Company · Struck by... (Not Elsewhere Classified)

Employee was cutting conveyor belt with razor knife when the knife slipped and cut his leg above the left knee

June 7, 2004 WA · Metal/Non-Metal welder (shop) HANDLING OF MATERIALS
CalPortland Company · Struck against stationary object

Employee was looking in hopper while doing maintenance, when he reached up for a hand hold he cut his left index finger on a sharp edge.

2003 · 6 incidents

October 31, 2003 WA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
CalPortland Company · Caught in, under or between (Not Elsewhere Classified)

EE WAS ENGAGED IN CHANGING A BOTTOM ROLL ON A D9R, WHILE MOVING THE ROLLER THE FOAM PROTECTIVE COVER SLIPPED OFF THE SHAFT. THE ROLL BENT HIS LEFT RING FINGER.

June 4, 2003 WA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
CalPortland Company · Over-exertion in lifting objects

WHEN LIFTING FEED PLATE FOR CRUSHER EMPLOYEE FELT PAIN IN BACK.

May 2, 2003 WA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer POWERED HAULAGE
CalPortland Company · Struck by... (Not Elsewhere Classified)

WHILE REMOVING ROCKS FROM GRIZZLEY FEEDER A PIECE OF ROCK STRUCK EMPLOYEE IN FOREHEAD BETWEEN HARD HAT AND SAFETY GLASSES.

April 7, 2003 WA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
CalPortland Company · Struck by... (Not Elsewhere Classified)

EE WAS REPAIRING A SCREEN SPRAYBAR, NOTICED AN IRRITATION IN LEFT EYE. THOUGHT HE WAS FLASH BURNED IRRITATION DID NOT GO AWAY. WENT TO HOSPITAL ON 4-9-03 TO HAVE PARTICLE REMOVED.

March 7, 2003 WA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
CalPortland Company · Over-exertion (Not Elsewhere Classified)

EE WAS WORKING ON A GEAR BOX DRIVE FOR A WATER CLAIRIFIER. THE EE REMOVED A SECTION OF DECKING TO ALLOW ACCESS FOR OIL DRAIN BUCKET. EE STEPPEDINTO OPENING AND SPRAINED HIS RIGHT KNEE

2002 · 6 incidents

December 13, 2002 WA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
CalPortland Company · Struck by... (Not Elsewhere Classified)

EMPLOYEE WAS OPENING A CHAIN BINDER AND WAS STRUCK IN THE CHIN, OPENING A CUT APP 1/2" LONG ON THE LOWER CHIN SURFACE.

December 8, 2002 WA · Metal/Non-Metal cage/cager/station attendant, aerial tram (outside only) HANDLING OF MATERIALS
CalPortland Company · Over-exertion (Not Elsewhere Classified)

EE NOTICED SORE LEFT WRIST ON OR ABOUT DEC 10TH HE THOUGHT IT WAS DUE TO THE WORK ACTIVITY ON DEC 8TH EE WENT TO DR ON 12-17-02. DR GAVE EE AN RX FOR ANTI-INFLAMATORY AND RELEASED THE FULL DUT Y.

November 22, 2002 WA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
CalPortland Company · Fall onto or against objects

EMPLOYEE WAS REPAIRING SCREEN DECK, FOOT CAUGHT IN DECK HIT RIB CAGE ON CROSS BEAM BEFORE HE CAUGHT HIMSELF.

May 30, 2002 WA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
CalPortland Company · Over-exertion (Not Elsewhere Classified)

LONG TERM CONDITION- POSSIBLE FROM WORKING ON KNEES.

April 20, 2002 WA · Metal/Non-Metal mine manager, mine foreman, mine owner HANDLING OF MATERIALS
Glacier Northwest · Struck by... (Not Elsewhere Classified)

EE WAS WORKING ON A LARGE PUMP REPAIRING LINING. LINER SLIPPED OUT OF HOUSING HITTING LEG, CAUSING FRACTURE.

February 27, 2002 WA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Glacier Northwest · Over-exertion in lifting objects

PICKING UP A LARGE BATTERY

2001 · 5 incidents

August 14, 2001 WA · Metal/Non-Metal backhoe operator, trackhoe operator, crane operator SLIP OR FALL OF PERSON
Glacier Northwest · Fall to the walkway or working surface

MUSCLE BEHIND LEFT KNEE FIRST BEGAN HURTING ON 8-11-01. THEN ON 8-14-01 WHILE WALKING ON UNEVEN GROUND, LEFT LEG WENT OUT FROM UNDERNEATH HIM AND HE FELL.

July 25, 2001 WA · Metal/Non-Metal greaser, grease man, oiler, lube man, dragline oiler HANDTOOLS (NONPOWERED)
Glacier Northwest · Struck by falling object

EE WAS LYING ON HIS BACK LOOSENING BOLTS ON THE TANDEM AXLES OF A TRUCK. DUST/METAL PARTICLES FELL INTO HIS EYE.

July 10, 2001 WA · Metal/Non-Metal welder (shop) HANDLING OF MATERIALS
Glacier Northwest · Struck by falling object

WHILE REMOVING BOLT FROM HOPPER WITH RIGHT HAND LEFT HAND WAS UNDER HOPPER. WHEN BOLT WAS REMOVED HOPPER FELL CUTTING FINGERS ON LEFT HAND.

May 8, 2001 WA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Glacier Northwest · Caught in, under or between (Not Elsewhere Classified)

WHILE CLEARING OVERSIZE ROCK FROM SCALPING BURRS ROCK ROLLED ON HAND.

February 15, 2001 WA · Metal/Non-Metal truck driver HANDLING OF MATERIALS
Glacier Northwest · Caught in, under or between a moving and a stationary object

WHILE EXITING CAT D-400 HAUL TRUCK EE S RIGHT MIDDLE FINGER WAS SMASHED IN DOOR JAM.

2000 · 10 incidents

December 8, 2000 WA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer MACHINERY
Glacier Northwest · Struck against a moving object

INJURED WRIST OPENING A STUCK WINDOW.

October 25, 2000 WA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer MACHINERY
Glacier Northwest · Struck against a moving object

OPERATING D10 DOZER

September 21, 2000 WA · Metal/Non-Metal electrician, lineman SLIP OR FALL OF PERSON
Glacier Northwest · Over-exertion (Not Elsewhere Classified)

EE PACKING LIGHT FIXTURE, STEPPED FROM ELECTRICAL VAN AND SPRAINED RT ANKLE ON UNEVEN CONCRETE.

August 4, 2000 WA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman OTHER
Glacier Northwest · Inhalation of radiations, caustics, toxic and noxious substances

FUMES FROM RECENT PAINTING GAVE EE AN ILL FEELING.

July 31, 2000 WA · Metal/Non-Metal backhoe operator, trackhoe operator, crane operator HANDLING OF MATERIALS
Glacier Northwest · Over-exertion (Not Elsewhere Classified)

PULLED MUSVLE CLIMBING UP STAIRS TO CAB OF BULLDOZER, FELT MORE PAIN AS HE MOVED AROUND IN SEAT.

July 17, 2000 WA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Glacier Northwest · Struck by... (Not Elsewhere Classified)

EE WAS USING WRENCH, WRENCH SLIPPED LIFTING HIM IN THE KNEE.

February 1, 2000 WA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Glacier Northwest · Over-exertion (Not Elsewhere Classified)

EE PULLED MUSCLE IN LEG. PLEASE SEE ATTACHED LETTER.

January 20, 2000 WA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Glacier Northwest · Over-exertion (Not Elsewhere Classified)

SLIP ON STAIRS, TWISTING ANKLE. CONTRIBUTING FACTOR IS A INJURY TO ANKLE IN 1998.

January 4, 2000 WA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Glacier Northwest · Struck by flying object

WAS USING AN ELECTRIC GRINDER TO GRIND A SCREEN SHAFT. HE GOT A PIECE OF METAL IN HIS EYE.