Mining Incidents

MONA PIT Metal/Non-Metal

Kilgore Contracting · Surface
Controlled by Summit Materials LLC
Mona, Juab County, UT  ·  Active
MSHA Mine ID: 4202212

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Fatalities
0
Total incidents
7
Years on record
2003–2024
Latest incident
Jul 2024
Compliance record
MSHA citations since 2000
97
citations
16
significant & substantial
$20,096
proposed penalties
$20,096
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 9,467 4 1 422.5
2025 Q3 335 0 0 0.0
2025 Q2 341 3 1 8797.7
2025 Q1 7,454 0 0 0.0
2024 Q3 7,396 2 0 270.4
2024 Q2 586 0 0 0.0
2023 Q3 420 0 0 0.0
2023 Q1 5,724 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

7 on file

2024 · 1 incident

July 1, 2024 UT · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Kilgore Contracting · Fall from ladders

EE was hosing out bottom pan of sand screen using fire hose standing on A frame ladder. ladder came out from under them causing them to fall and strike left shin on ladder. left shin received stitches

2022 · 1 incident

August 8, 2022 UT · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)
Kilgore Contracting · Struck by... (Not Elsewhere Classified)

Employee cutting a hose when the the cutting blade slipped and cut the employee's left leg.

2007 · 1 incident

February 20, 2007 UT · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Westroc, Inc. · Fall from machine

While changing a cone liner employee went around the hand rail to bar the ring gear. He slipped and fell 10 feet, landed on his feet and broke 1 leg and cracked the heel on his other leg.

2005 · 2 incidents

May 31, 2005 UT · Metal/Non-Metal pumper HANDTOOLS (NONPOWERED)
Westroc, Inc. · Struck by... (Not Elsewhere Classified)

Employee was pushing cone motor to tighten the v-belt with a porta-power. As it got tight the ram jumped out. EE used hand to stop it from hitting me in another place.

May 27, 2005 UT · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator STRIKING OR BUMPING
Westroc, Inc. · Struck against stationary object

Employee started up the ladder to the screen deck, caught his forehead on the overflow pipe that comes from the screw to the sump tank, causing whiplash.

2004 · 1 incident

September 29, 2004 UT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Westroc, Inc. · Caught in, under or between (Not Elsewhere Classified)

Employee was changing out the seat in the dozer and it smashed the fingers on his right hand when he dropped his end.

2003 · 1 incident

July 9, 2003 UT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Westroc, Inc. · Struck against stationary object

EE WAS CHANGING SEGMENTS ON A LOADER BUCKET AND CUT THE INDEX FINGER OF HIS RIGHT HAND ON A BOLT HEAD THAT HAD BEEN FILED TO SHARP EDGE FROM WEAR.