Mining Incidents

Knife River Corporation-Northwest operator

Controlled by Knife River Corporation
MSHA operator ID: L16679
Fatalities
1
Total incidents
144
Mines on record
29
Years on record
1998–2026
Compliance record
MSHA citations since 2000
1,578
citations
208
significant & substantial
$523,765
proposed penalties
$389,751
paid to date
74% of proposed penalties paid to date, a $134,014 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
1,162
inspections on record
16,655
inspection hours
9.5
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.
1,578 citations across 16,655 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.
$524K
proposed penalties
$393K
current assessed
$390K
paid to date
$3K
outstanding
1,553 assessments are final orders; 81 contested dockets.
As of the most recent assessment on 2026-04-15.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.

Top causes

Incident timeline

2026
5
2025
3
2024
5
2023
8
2022
8
2021
4
2020
2
2019
7
2018
7
2017
9
2016
7
2015
5
2014
4
2012
4
2011
3
2010
3
2009
1
2008
3
2007
5
2006
4
2005
8 (1f)
2004
6
2003
3
2002
5
2001
9
2000
7
1999
5
1998
4

Mines on record

Fatalities under this operator

1 recorded
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.

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The full compliance file on Knife River Corporation-Northwest

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.