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CalMat Co operator

Controlled by Vulcan Materials Company
MSHA operator ID: L16645

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Email me when a new MSHA incident is filed at any CalMat Co mine.

Fatalities
3
Total incidents
491
Mines on record
45
Years on record
2000–2026
Compliance record
MSHA citations since 2000
1,804
citations
298
significant & substantial
$572,392
proposed penalties
$480,455
paid to date
Source: MSHA violations data, updated weekly.

Top causes

Incident timeline

2026
3
2025
5
2024
11
2023
11 (1f)
2022
12
2021
12
2020
9
2019
18
2018
12
2017
19
2016
10
2015
9
2014
13
2013
4
2012
5
2011
10
2010
11
2009
14
2008
28
2007
29
2006
27
2005
32
2004
24
2003
31 (1f)
2002
40
2001
43 (1f)
2000
49

Mines on record

Fatalities under this operator

3 recorded
June 22, 2023 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer Fatality · MACHINERY
CalMat Co · Struck against a moving object

Machine operator was operating a CAT D9T dozer clearing overburden material from a bench. Operator reversed the machine backwards an estimated 200-300 ft. at a high speed without looking back and without responding to honking from another machine, per witness testimony. Machine fell off an edge. Operator was pronounced dead at the scene. Machine is total loss.

June 14, 2003 CA · Metal/Non-Metal mine manager, mine foreman, mine owner Fatality · MACHINERY
CalMat Co · Struck by falling object

THE VICTIM WAS POSITIONING THE WEDGE BAR AND BOLT ASSEMBLY TO SECURE THE UPPER PLATE IN A STATIONARY JAW CRUSHER. APPARENTLY THE LINER SHIFTED AND FELL, STRIKING THE VICTIM.

November 9, 2001 CA · Metal/Non-Metal beltman, conveyor man, conveyor belt worker, mobile bridge carrierman, feeder operator, conveyor rider Fatality · OTHER
CalMat Co · Drowning

EMPLOYEE WAS USING A HIGH PRESSURE WATER HOSE TO WASH OUT ACCUMULATED MATERIAL BELOW CONVEYER #11 (FLOATING) AND TAILPULLEY CONVEYER #4 (LAND)APPARENTLY FELL IN WATER PIT WHILE NOT WEARING A LIFE JACKET.