Mining Incidents

Hawaiian Cement operator

Controlled by Knife River Corporation
MSHA operator ID: L08811
Fatalities
0
Total incidents
297
Mines on record
5
Years on record
1985–2026
Compliance record
MSHA citations since 2000
425
citations
94
significant & substantial
$182,367
proposed penalties
$163,560
paid to date
90% of proposed penalties paid to date, a $18,807 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
190
inspections on record
3,725
inspection hours
11.4
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.
425 citations across 3,725 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.
$182K
proposed penalties
$165K
current assessed
$164K
paid to date
$2K
outstanding
414 assessments are final orders; 17 contested dockets.
As of the most recent assessment on 2026-03-06.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.

Top causes

Incident timeline

2026
3
2023
1
2022
3
2020
2
2019
1
2018
3
2017
1
2016
5
2013
2
2010
2
2008
3
2006
4
2005
3
2003
4
2002
1
2001
1
2000
9
1999
5
1998
3
1997
5
1996
16
1995
25
1994
23
1993
57
1992
33
1991
38
1990
6
1989
8
1988
16
1987
11
1986
2
1985
1

Mines on record

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The full compliance file on Hawaiian Cement

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.