Northstar Materials Inc dba Knife River Materials operator
Controlled by
Knife River Corporation
MSHA operator ID: 0051129
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- Fatalities
- 0
- Total incidents
- 9
- Mines on record
- 7
- Years on record
- 2003–2023
Compliance record
MSHA citations since 2003
335
citations
57
significant & substantial
$59,786
proposed penalties
$50,051
paid to date
Source: MSHA violations data, updated weekly.
Top causes
- HANDLING OF MATERIALS 3 non-fatal
- NO VALUE FOUND 2 non-fatal
- HANDTOOLS (NONPOWERED) 1 non-fatal
- MACHINERY 1 non-fatal
- OTHER 1 non-fatal
- POWERED HAULAGE 1 non-fatal
Incident timeline
2023
2
2022
1
2021
1
2019
1
2014
2
2003
2
Mines on record
- Crusher #43519 MN
- Crusher #43517 MN
- Crusher #43534 MN
- Wash Screw #45719 MN
- Wash Plant 45720 MN
- Crusher #43519 MN
- Crusher #43524 MN