Mining Incidents

Columbus Plant Metal/Non-Metal

Controlled by Summit Materials LLC
Columbus, Colorado County, TX  ·  Active
MSHA Mine ID: 4104393

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Fatalities
0
Total incidents
12
Years on record
2008–2026
Latest incident
Apr 2026
Compliance record
MSHA citations since 2003
109
citations
32
significant & substantial
$19,108
proposed penalties
$18,890
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 19,101 0 0 0.0
2025 Q3 17,890 0 0 0.0
2025 Q2 784 3 0 3826.5
2025 Q1 18,780 1 0 53.2
2024 Q3 18,084 1 0 55.3
2024 Q2 17,793 0 0 0.0
2024 Q1 17,582 0 0 0.0
2023 Q3 19,202 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

12 on file

2026 · 1 incident

April 3, 2026 TX · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Alleyton Resource Company, LLC. · Fall from scaffolds, walkways, platforms

EE stepped on platform of an isolated catwalk that collapsed beneath them causing them to fall approximately 7 feet to the next level. EE sustained superficial lacerations and bruising/soreness.

2021 · 1 incident

March 23, 2021 TX · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer POWERED HAULAGE
Alleyton Resource Company, LLC. · Struck against a moving object

A Haul truck operator was loaded coming out of the pit struck a haul truck going into the pit to be loaded. The haul truck that was hit swerved abruptly to try and avoid being hit. The operator that was hit suffered low back pain, prescribed PT, pain meds and muscle relaxers. Damage to front left of one haul truck and both tires on the other.

2020 · 4 incidents

December 3, 2020 TX · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer POWERED HAULAGE
Alleyton Resource Company, LLC. · Struck against a moving object

Employee operating loader under supervision when EE became stuck in sand stockpile being jarred and bounced causing lower back and tailbone pain, no report of any injury until 12/7/20, sent to clinic, prescribed lodine, terminated 12/7 for non-reporting

June 11, 2020 TX · Metal/Non-Metal POWERED HAULAGE
Multisource Sand & Gravel Co., LTD · Accident type, without injuries

While operating scraper, contractor began operating on a slope and recognized it was becoming steep. Contractor attempted to cut downhill; the right tire and side slipped while the left tire lost contact with the ground. Cab flipped onto right side. Contractor, who was wearing safety belt, was uninjured and able to exit the cab through the door.

June 11, 2020 TX · Metal/Non-Metal POWERED HAULAGE
Multisource Sand & Gravel Co., LTD · Accident type, without injuries

Contractor was operating scraper. While loading, the operator realized the slope was getting steep. EE turned out of the cut downhill. The (R)front tire slipped downhill and the (L)front tire came off the ground. The cab of the truck flipped over. EE turned the ignition off and was able to crawl out of the cab through the door. Operator was wearing the seatbelt and had no injuries.

February 21, 2020 TX · Metal/Non-Metal miner, prospector, nec HANDTOOLS (NONPOWERED)
Multisource Sand & Gravel Co., LTD · Struck by... (Not Elsewhere Classified)

Employee was cutting a hose to length of a water line with a utility knife when the blade slipped and cut EE's left middle finger. EE was wearing gloves and cutting away from EE. EE was kneeling on the ground, cutting with EE's right hand, holding the hose with EE's left hand. EE was taken to the hospital and received one stitch on EE's left middle finger.

2018 · 1 incident

September 13, 2018 TX · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Multisource Sand & Gravel Co., LTD · Over-exertion in pulling or pushing objects

Employee was in the process of changing out some fasteners on conveyor belt, when they pulled out wooden board they felt lower back pain.

2012 · 1 incident

September 17, 2012 TX · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
Stemco · Struck by... (Not Elsewhere Classified)

Cutting skirt board rubber misjudge.

2011 · 1 incident

June 23, 2011 TX · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator MACHINERY
Stemco · Contact with hot objects or substances

Co-worker was cutting bolt crusher return belt on side wiper. Employee was holding torch hose when he got burn right hand. No gloves on.

2010 · 1 incident

October 21, 2010 TX · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor HANDLING OF MATERIALS
Stemco · Struck against stationary object

Smoothing fiberglass and got stuck in hand.

2009 · 1 incident

July 11, 2009 TX · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Stemco · Fall from machine

Employee was greasing and checking guards and walkways and crossed over blocked off part of conveyor. Fell through the walkway.

2008 · 1 incident

December 5, 2008 TX · Metal/Non-Metal greaser, grease man, oiler, lube man, dragline oiler POWERED HAULAGE
Stemco · Fall from machine

Employee was greasing a conveyor when the conveyor was energized knocking the employee off the conveyor.