Mining Incidents

CalPortland Company operator

Controlled by Taiheiyo Cement Corp
MSHA operator ID: L13472
Fatalities
2
Total incidents
250
Mines on record
10
Years on record
1988–2019
Compliance record
MSHA citations since 2000
600
citations
108
significant & substantial
$168,745
proposed penalties
$145,741
paid to date
86% of proposed penalties paid to date, a $23,004 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
283
inspections on record
5,762
inspection hours
10.4
citations per 100 inspection hours
This rate is recorded citations divided by MSHA inspection hours, per 100 hours. It reflects inspection effort, not mine size or production.
600 citations across 5,762 inspection hours.
Source: MSHA inspections data, updated weekly.
Penalty disposition
Differences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.
$169K
proposed penalties
$146K
current assessed
$146K
paid to date
$425
outstanding
594 assessments are final orders; 13 contested dockets.
As of the most recent assessment on 2022-06-28.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.

Top causes

Incident timeline

2019
3
2014
1
2011
1
2009
1
2008
3
2007
4
2006
7
2005
10
2004
10 (1f)
2003
14
2002
13
2001
13
2000
20 (1f)
1999
14
1998
12
1997
17
1996
9
1995
14
1994
11
1993
10
1992
8
1991
16
1990
15
1989
12
1988
12

Mines on record

Fatalities under this operator

2 recorded
June 19, 2004 OR · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech Fatality · FALLING/SLIDING/ROLLING MATERIALS
Northwest Aggregates · Caught in, under or between collapsing material or buildings

FELL FEEDING ROCK BOX. THE ROCK BOX WAS PLUGGED W/ A LARGE BOULDER & 3 EMPLOYEE'S ASSESSED THE PROBLEM. LOCKOUT CONVEYOR LINE, CO-WORKER AT JAW TOWER AND FATALY INJURED EE TRIED USING A PRY BAR TO FREE PLUG & HE CRAWLED INTO THE ROCK BOX TWO TIMES, ON THE SECOND TIME MATERIAL ENGULFED HIM.

December 19, 2000 WA · Metal/Non-Metal mine manager, mine foreman, mine owner Fatality · FALLING/SLIDING/ROLLING MATERIALS
Glacier Northwest · Struck by rolling or sliding object

CONCRETE BLOCK WALL FELL ON VICTIM. ACCIDENT WAS FATAL.

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The full compliance file on CalPortland Company

A dated report covering the 26-year penalty trail, line-item violation pattern, contest and docket posture, rate-normalized peer benchmark, and full fatality history. Delivered as a PDF with the underlying data as CSV.