Knife River Corporation controller
MSHA controller ID: 0176802
Watch this controller
Email me when a new MSHA incident is filed at any mine Knife River Corporation controls.
- Fatalities
- 0
- Total incidents
- 65
- Mines on record
- 38
- Years on record
- 2004–2026
Compliance record
MSHA citations since 2023
500
citations
65
significant & substantial
$217,468
proposed penalties
$162,432
paid to date
75% of proposed penalties paid to date, a $55,036 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2023
565
inspections on record
6,870
inspection hours
7.3
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.500 citations across 6,870 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.$217K
proposed penalties
$173K
current assessed
$162K
paid to date
$10K
outstanding
428 assessments are final orders; 7 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 26 non-fatal
- MACHINERY 10 non-fatal
- HANDTOOLS (NONPOWERED) 9 non-fatal
- SLIP OR FALL OF PERSON 6 non-fatal
- OTHER 5 non-fatal
- POWERED HAULAGE 3 non-fatal
Incident timeline
2026
12
2025
16
2024
15
2023
21
Operators under this controller
- Knife River Corporation-Northwest 19
- Knife River - South Dakota 8
- Knife River Corporation North Central 8
- Anchorage Sand & Gravel Company Inc 7
- Connolly-Pacific Company 5
- Hawaiian Cement 4
- JTL GROUP,INC. 4
- Knife River Corporation South 3
- Knifer River 2
- Northstar Materials Inc dba Knife River Materials 2
- Knife River Construction 1
- Knife River Corporation Mountain West 1
Mines on record
- Honey Creek Quarry TX
- Halawa Valley HI
- METRO PORTABLE #1 OR
- 513497 MN
- Farmington Pit OR
- ROGUE PORTABLE #4 OR
- REED PIT OR
- Skyhigh Pit TX
- Sioux Falls Quarry SD
- Puunene Quarry HI
- 510374 MN
- 513476 MN
- PEBBLY BEACH QUARRY CA
- Corson Sand Plant / Quarry SD
- Knife River Newman Aggregate CA
- Crusher #3 WY
- METRO PORTABLE #2 OR
- Klatt Terminal AK
- Palmer Loading Station AK
- Concrete, Inc DBA Knife River CA
- Stripping Crew MN
- Crusher #1 ID
- KEIZER PIT & PLANT OR
- KIRTLAND OR
- WATERVIEW OR
- CENTRAL OREGON PORTABLE #2 OR
- ROGUE PORTABLE #3 OR
- ROGUE PORTABLE #7 OR
- METRO PORTABLE #3 OR
- FISHER ISLAND PLANT OR
- Knife River Construction Vernalis Plant CA
- 513500 MN
- Crusher #1 ND
- 510367 MN
- Crusher #43519 MN
- Jig Plant #1 ND
- Crusher #43517 MN
For insurers, brokers, and safety consultants
The full compliance file on Knife River Corporation
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.