Mining Incidents

HIGHLAND PITMetal/Nonmetal

Controlled by Summit Materials LLC
Highland, Utah County, UT · Active
MSHA Mine ID: 4200941
Fatalities
0
Total incidents
16
Years on record
2002–2026
Latest incident
Apr 2026
No fatalities recorded at this mine.

Reportable incidents

16 on file

2026 · 3 incidents

Accident type, without injuries

Highland city started to fill the canal earlier than what was communicated. When the canal was filled (pressurized) the valve that feeds water to the plant was in an open position to prevent water from freezing over the winter months. With the canal being pressurized and the valve in the open position, water started to flow into the pond causing the damn embankment to fail.

Caught in, under or between a moving and a stationary object

EE was rotating the sand screws manually by grabbing a hold of the V-belts, as the EE was rotating the sand screws the EE's middle and ring finger was caught between the V-belt and Sheeve causing a Turf Fracture to the tip of the ring finger.

Struck by flying object

Employee was struck by a rock

2024 · 1 incident

Struck by flying object

EE was Hammering a head pulley bearing Gear box on west screen feed, when a small sliver piece of metal broke off and lodged into the right side of EE's chin.

2021 · 1 incident

Struck against stationary object

EE was exiting surge tunnel and took off hard hat to scratch head and while turning, struck a piece of metal located above, causing a small laceration requiring 4 stitches to close.

2018 · 1 incident

Struck against stationary object

Employee was dismounting a conveyor frame and stepped onto a rock twisting EE's ankle.

2016 · 1 incident

Struck by... (Not Elsewhere Classified)

Employee was using a 5# sledge hammer to pound on a steel pin and a shard of steel came off the pin striking the employee in the stomach.

2015 · 2 incidents

Struck by... (Not Elsewhere Classified)

Employee was cutting conveyor belt with razor knife. The employee was cutting the belt perpendicular to himself and as the employee was cutting the belt, the knife slipped while applying pressure. Puncturing his lower right thigh. Resulting in 8 stitches to close.

Inhalation of radiations, caustics, toxic and noxious substances

Employee was forming urethane flashing for a belt conveyor with a hand grinder and started not feeling very good during the task. It was thought the employee may have been feeling ill from some of the fumes from the cutting process, but when brought to the clinic it was diagnosed with the flu and fumes may have contributed to accelerating his flu symptoms.

2013 · 1 incident

Struck by flying object

One of our employees approached a vehicle that was parked just inside our entrance, he found an unknown female (trespasser) that had committed suicide with a handgun inside of her vehicle. She had drove her vehicle just inside of our entrance gate located off of SR-92. 911 was called immediately and Alpine Police Dept responded to the scene.

2012 · 1 incident

Struck against a moving object

Scooping up rip rap on unstable and unleveled ground, caused loader to move side to side, causing it to injure his back. Did not inform Supervisor about injury until 8-15-12.

2011 · 1 incident

Struck by falling object

Miner was moving fence posts. While pounding a post in the ground. The post pounder came off the top of the post, the miner fell back and the pounder hit him on the top of his head.

2007 · 1 incident

Struck by... (Not Elsewhere Classified)

Changing a screen and pounding it into place, he smashed his thumb between hammer and screen.

2006 · 1 incident

Struck by falling object

EE leaned on the hand rail of the dry plant. The rail broke and he fell about 4 feet into the hopper of the under belt. His hard hat came off and the rail hit him in the head.

2003 · 1 incident

Struck by... (Not Elsewhere Classified)

CUTTING PLASTIC SCREEN, BLADE SLIPPED, CUT LEFT ARM (KNIFE). (DOCTOR CLOSED 5 SIMPLE SUTURES.)

2002 · 1 incident

Struck by falling object

ROCK FELL AND HIT HAND, DIAGNOSIS CONTUSION AND ABRASION TO RIGHT THUMB.