Mining Incidents

CalPortland operator

Controlled by Taiheiyo Cement Corp
MSHA operator ID: L11900

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

Fatalities
2
Total incidents
675
Mines on record
27
Years on record
2000–2026
Compliance record
MSHA citations since 2000
3,511
citations
752
significant & substantial
$1,837,198
proposed penalties
$1,734,928
paid to date
Source: MSHA violations data, updated weekly.

Top causes

Incident timeline

2026
9
2025
23
2024
23
2023
36 (1f)
2022
37
2021
25
2020
16
2019
28
2018
19
2017
24
2016
30
2015
29
2014
26
2013
17
2012
11
2011
19
2010
20
2009
24
2008
24
2007
27
2006
31
2005
21
2004
21
2003
25
2002
39 (1f)
2001
34
2000
37

Mines on record

Fatalities under this operator

2 recorded
January 17, 2023 CA · Metal/Non-Metal weighman, scale person Fatality · POWERED HAULAGE
Calportland · Struck against a moving object

EE was involved in a traffic accident on the road that leads to the plant. EE was extricated from the vehicle and transported to the hospital where EE later died.

September 23, 2002 AZ · Metal/Non-Metal miner, nec Fatality · SLIP OR FALL OF PERSON
CalPortland Company · Fall from scaffolds, walkways, platforms

THE WAS ASKED TO REMOVE SCREWS FROM A METAL ROOF DECK ON THE EAVE OF A ROOF. FOR REASONS UNKNOWN, THE MINER REMOVED HIMSELF FROM THE ELEVATED WORK PLATFORM (JLG AND GOT ON THE ROOF. HE ALSO VI OLATED COMPANYPOLICY IN PROCEEDING TO WORK IN AREAS OF THE ROOF WHILE NOT TIED-OFF. WHILE WORKING ON THE ROOF DECK, NOT IN FRONT OF THE JLG AND WHILE NOT TIED-OFF, HE FELL TO THE GROUND.