Mining Incidents

ORANGE GROVE Metal/Non-Metal

CALPORTLAND COMPANY · Surface
Controlled by Taiheiyo Cement Corp
Orange Grove, Pima County, AZ  ·  Active
MSHA Mine ID: 0201203

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Fatalities
0
Total incidents
19
Years on record
2000–2024
Latest incident
Aug 2024
Compliance record
MSHA citations since 2000
199
citations
56
significant & substantial
$42,550
proposed penalties
$35,593
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 7,987 0 0 0.0
2025 Q3 600 0 0 0.0
2025 Q2 8,904 0 0 0.0
2025 Q1 10,260 0 0 0.0
2024 Q4 464 0 0 0.0
2024 Q3 494 5 1 10121.5
2024 Q2 506 0 0 0.0
2023 Q4 11,162 1 0 89.6
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
No fatalities recorded at this mine.

Reportable incidents

19 on file

2024 · 1 incident

August 2, 2024 AZ · Metal/Non-Metal outside foreman, leadman NONPOWERED HAULAGE
CalPortland Company · Caught in, under or between a moving and a stationary object

The Aggregate Foreman was attempting to attach a trailer carrying a compressor to EE's F-150 work truck. While trying to set the trailer hitch onto the hitch ball of the truck, the trailer hitch came off the ball and moved forward. The employee got EE's finger caught between the hitch and the bumper of the truck, causing a laceration to EE's left index finger.

2023 · 1 incident

December 1, 2023 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech OTHER
CalPortland Company · Unclassified, insufficient data

Employee found the loader operator unresponsive and called the plant foreman. The plant foreman entered the loader cab and placed the equipment in park and shut the motor off. EE was unable to get any vital signs from the operator and immediately dialed 911. The local fire department responded, and the loader operator was pronounced dead at approximately 12:35 pm.

2021 · 1 incident

December 18, 2021 AZ · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator POWERED HAULAGE
CalPortland Company · Struck against a moving object

Employee was operating a loader when they ran over a chunk of asphalt in loader causing their body to shift abruptly in the cab and causing a right shoulder strain.

2020 · 1 incident

September 9, 2020 AZ · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
CalPortland Company · Over-exertion (Not Elsewhere Classified)

Climbing down ladder of a 982M loader and felt pain in left foot which led to a sprain/strain of left foot.

2019 · 1 incident

December 11, 2019 AZ · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
CalPortland Company · Over-exertion in lifting objects

IW was using a shovel to remove material from a lime stacker belt. A few hours after the task was completed, IW stated that their shoulder was hurting. IW was seen at the clinic and diagnosed with a sprained left shoulder joint. IW returned to work the following day on light duty.

2017 · 1 incident

July 24, 2017 AZ · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
CalPortland Company · Over-exertion (Not Elsewhere Classified)

The employee parked loader at the ready line parking lot & was exiting the loader to go clock out as the employee was at the end of shift. While exiting the loader, stepped on the ground felt a pain in right foot. There were no adverse conditions or hazards associated with the area employee exited at. The ground was dry & even and employee used three points of contact.

2016 · 2 incidents

August 15, 2016 AZ · Metal/Non-Metal water truck operator SLIP OR FALL OF PERSON
CalPortland Company · Fall from machine

Employee was exiting the water truck EE was driving when EE fell and hit the ground resulting in a left upper leg fracture. Employee was taken to hospital where EE had surgery to repair EE's fractured leg. Employee was then admitted to an in-patient physical therapy unit.

May 24, 2016 AZ · Metal/Non-Metal crusher attendant/operator, pan feeder operator/worker OTHER
CalPortland Company · Absorption of radiations, caustics, toxic and noxious substances

The Employee was preparing to start up the lime AB system when some quicklime became dislodged and the wind blew the quicklime into the face of the EE. The EE used the eyewash system for a few minutes to wash out eyes and face and had not further issues until the EE tried to remove contact lenses which caused a corneal abrasion due to the quicklime

2015 · 3 incidents

November 8, 2015 AZ · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
CalPortland Company · Struck by falling object

Employee was moving a steel box with another box on top. As the employee was moving the bottom box, the top box shifted and fell over onto the employees fingertips, causing a laceration to the left index finger requiring stitches.

May 27, 2015 AZ · 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

Employee was lifting a return roller into position above his head when he felt a pop in his upper back between his shoulder blades

March 14, 2015 AZ · Metal/Non-Metal welder (shop) MACHINERY
CalPortland Company · Struck by... (Not Elsewhere Classified)

Employee was using a cutting wheel on a grinder to cut 1x1 inch rectangle steel. The EE stated that the wind kicked up blowing dust into his eyes and he lost sight of the cut off wheel causing it to hit and kick off the steel and hitting the employees right leg just above the knee causing a 3 inch laceration. This laceration required 15 stitches to close.

2014 · 1 incident

March 25, 2014 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
CalPortland Company · Struck by... (Not Elsewhere Classified)

EE was using a razor knife to cut flashing, when the knife slipped and hit the EE in the Right thigh/hip area. The injury required stitches to close.

2013 · 1 incident

August 6, 2013 AZ · Metal/Non-Metal ledgeman/hand, quarry man HANDTOOLS (NONPOWERED)
CalPortland Company · Struck by... (Not Elsewhere Classified)

EE was cutting beltline with razor utility knife. EE was pulling the knife towards himself when the knife slipped off the rubber and hit the EE's right thigh about six inches above the knee causing a laceration.

2012 · 1 incident

July 14, 2012 AZ · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
CalPortland Company · Struck against stationary object

The EE was using a skid steer to clean when it became stuck. The EE exited the skid steer and then re-entered the skid steer from the side rather than the front. The EE stepped onto the front right tire and climbed into the skid steer, and caught his left arm on a broken headlamp mounted on the front of the ROPs, lacerating his arm which required sutures.

2010 · 1 incident

August 19, 2010 AZ · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator OTHER
CalPortland Company · Bodily reaction, (Not Elsewhere Classified)

EE WAS RUNNING APPROX 200 FT TO SHUT OFF A PUMP WHEN HE FELT A PAIN IN HIS LEFT CALF MUSCLE. DIAGNOSIS: TORN L CALF MUSCLE.

2007 · 2 incidents

August 17, 2007 AZ · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
CPC Southwest Materials Inc · Over-exertion (Not Elsewhere Classified)

Employee was climbing a dirt embankment instead of using the ramp. He twisted his left foot and complained of a sharp pain in his heel. Employee asked to see a doctor 8/22/07. Note: due to conflicting stories of what body part is injured, this injury is being questioned. This injury occurred one week after a previous injury and one week after his hire date.

August 10, 2007 AZ · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
CPC Southwest Materials Inc · Over-exertion in lifting objects

This was the employee's first day of work. He spent most of the day in the safety training room and a few hours in the field training with a trainer where he was shoveling. Employee claims he shoveled excessively and strained his wrist. Employee asked to see a doctor 8/22/07. Note: due to conflicting stories and reports, this injury is being questioned.

2001 · 1 incident

June 27, 2001 AZ · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
Tucson Ready Mix Inc · Fall to lower level, (Not Elsewhere Classified)

EE WALKED OVER THE TOP OF A BELLY DUMP UNLOADER AND STEPPED IN A RECESSED AREA TWISTING HIS RIGHT ANKLE.

2000 · 1 incident

March 17, 2000 AZ · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Tucson Ready Mix Inc · Over-exertion in lifting objects

EMPLOYEE WAS LIFTING ARM ON SPLITTER BOX TO CHANGE MATERIAL FLOW. WHILE LIFTING ARM, HE FELT A PAIN IN HIS LOWER BACK, RIGHT SIDE.