Knife River Missoula operator
Controlled by
MDU Resources Group Inc
MSHA operator ID: L17688
- Fatalities
- 0
- Total incidents
- 24
- Mines on record
- 13
- Years on record
- 2001–2023
Compliance record
MSHA citations since 2000
423
citations
62
significant & substantial
$61,697
proposed penalties
$61,219
paid to date
99% of proposed penalties paid to date, a $478 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
388
inspections on record
4,639
inspection hours
9.1
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.423 citations across 4,639 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.$62K
proposed penalties
$61K
current assessed
$61K
paid to date
$0
outstanding
419 assessments are final orders; 9 contested dockets.
As of the most recent assessment on 2026-05-13.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Top causes
- HANDLING OF MATERIALS 11 non-fatal
- SLIP OR FALL OF PERSON 5 non-fatal
- MACHINERY 4 non-fatal
- HANDTOOLS (NONPOWERED) 3 non-fatal
- FALLING/SLIDING/ROLLING MATERIALS 1 non-fatal
Incident timeline
2023
1
2022
1
2020
1
2014
1
2011
3
2009
1
2008
1
2007
1
2006
1
2005
3
2004
2
2003
4
2002
2
2001
2
Mines on record
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For insurers, brokers, and safety consultants
The full compliance file on Knife River Missoula
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.