Mining Incidents

MDU Resources Group Inc controller

MSHA controller ID: M09717

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Email me when a new MSHA incident is filed at any mine MDU Resources Group Inc controls.

Fatalities
4
Total incidents
951
Mines on record
129
Years on record
1983–2023
Compliance record
MSHA citations since 2000
5,296
citations
881
significant & substantial
$1,431,707
proposed penalties
$1,215,581
paid to date
85% of proposed penalties paid to date, a $216,126 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
4,054
inspections on record
52,681
inspection hours
10.1
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.
5,296 citations across 52,681 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.
$1.4M
proposed penalties
$1.2M
current assessed
$1.2M
paid to date
$7
outstanding
5,221 assessments are final orders; 190 contested dockets.
As of the most recent assessment on 2024-01-31.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.

Top causes

Incident timeline

2023
4
2022
23
2021
13
2020
17
2019
17
2018
16
2017
16
2016
16
2015
14 (1f)
2014
12
2013
10
2012
12
2011
12 (1f)
2010
7
2009
12
2008
16
2007
17
2006
24
2005
38 (1f)
2004
29
2003
43
2002
37
2001
37
2000
40
1999
42 (1f)
1998
32
1997
18
1996
34
1995
34
1994
35
1993
64
1992
40
1991
45
1990
20
1989
14
1988
28
1987
21
1986
18
1985
10
1984
8
1983
6

Operators under this controller

Mines on record

Fatalities under this controller

4 recorded
January 8, 2015 CA · Metal/Non-Metal clerk, timekeeper, office worker, director of sales Fatality · MACHINERY
Knife River Construction · Caught in, under or between a moving and a stationary object

Knife River miners were replacing a screen. Our sales representative was on site. He was on site to provide technical assistance. He was struck in the head by the feeder box. EMS was notified and responded. A Knife River operator notified MSHA within 15 minutes. Injured person was taken to the hospital where he then passed away.

December 8, 2011 MN · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator Fatality · POWERED HAULAGE
Knife River North Central · Struck by falling object

Employee was placing removable legs on a transfer conveyor. Conveyor was held in place by a loader. Removable leg fell and struck employee in the face, fatally injuring the employee.

June 27, 2005 OR · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer Fatality · MACHINERY
Knife River Corporation - Northwest · Struck against a moving object

The victim was operating a track dozer to clean off a drill bench in preparation for drilling. The bench was 45 feet above the quarry floor. Apparently the victim was attmpting to turn the dozer around on the bench, backed off this area, and fell to the quarry floor.

June 28, 1999 OR · Metal/Non-Metal mine manager, mine foreman, mine owner Fatality · MACHINERY
Viesko Redi Mix Inc · Drowning

EE WAS MOVING THE EXCAVATOR WHEN THE ROAD COLLAPSED AND THE EXCAVATOR TIPPED OVER INTO THE WATER TRAPPING HIM INSIDE.

For insurers, brokers, and safety consultants

The full compliance file on MDU Resources Group Inc

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.