Mining Incidents

Knife River Corporation North Central operator

Controlled by Knife River Corporation
MSHA operator ID: L00358
Fatalities
1
Total incidents
98
Mines on record
34
Years on record
1990–2026
Compliance record
MSHA citations since 2000
658
citations
127
significant & substantial
$206,567
proposed penalties
$175,493
paid to date
85% of proposed penalties paid to date, a $31,074 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
757
inspections on record
7,553
inspection hours
8.7
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.
658 citations across 7,553 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.
$207K
proposed penalties
$175K
current assessed
$175K
paid to date
$0
outstanding
634 assessments are final orders; 21 contested dockets.
As of the most recent assessment on 2026-04-16.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.

Top causes

Incident timeline

2026
1
2025
2
2024
1
2023
4
2022
3
2020
4
2019
2
2018
1
2017
2
2016
2
2015
3
2014
1
2013
6
2012
3
2011
2 (1f)
2009
2
2008
2
2007
2
2006
5
2005
14
2004
10
2003
11
2002
10
1997
1
1995
1
1992
1
1990
2

Mines on record

Fatalities under this operator

1 recorded
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.

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The full compliance file on Knife River Corporation North Central

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.