Mining Incidents

METRO PORTABLE #3 Metal/Non-Metal

Controlled by Knife River Corporation
Sherwood, Columbia County, OR  ·  Active
MSHA Mine ID: 3500426

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Fatalities
0
Total incidents
7
Years on record
2005–2023
Latest incident
Sep 2023
Compliance record
MSHA citations since 2000
138
citations
27
significant & substantial
$122,930
proposed penalties
$79,412
paid to date
Source: MSHA violations data, updated weekly.
Quarterly safety rates
Citations per million employee-hours, as reported to MSHA
Quarter Hours worked Citations S&S Per 1M hrs
2025 Q4 9,379 1 0 106.6
2025 Q2 0 0 0
2025 Q1 10,978 0 0 0.0
2024 Q4 1,027 0 0 0.0
2024 Q3 1,087 0 0 0.0
2024 Q2 940 0 0 0.0
2023 Q4 938 2 2 2132.2
2023 Q3 809 1 0 1236.1
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
No fatalities recorded at this mine.

Reportable incidents

7 on file

2023 · 1 incident

September 18, 2023 OR · Metal/Non-Metal groundman, yardman MACHINERY
Knife River Corporation-Northwest · Caught in, under or between a moving and a stationary object

Miner entered HP400 cone crusher after performing lock out/tag out to clear a large rock stuck between cone and mantel. Miner failed to recognize the stored energy in the cone being suspended by the rock. When dislodging the rock, the weight of the cone came down trapping both feet between the cone and mantel.

2022 · 1 incident

August 1, 2022 OR · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
Knife River Corporation-Northwest · Struck by falling object

TEAM MEMBER WAS LIFTING INSPECTION DOOR TO VSI. WHILE MOVING TO GET A BETTER LEVERAGE ON THE DOOR TO USE TWO HANDS, THE DOOR SLIPPED AND LANDED ON TEAM MEMBER'S LEFT THUMB. THE EVALUATION BY THE HAND SPECIALIST INDICATES NERVE DAMAGE AND BONE IS OFFSET AND WILL NEED SURGERY.

2020 · 1 incident

May 18, 2020 OR · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Knife River Corporation-Northwest · Caught in, under or between a moving and a stationary object

Team Member removed the mantel nut on an HP-400 Cone Crusher while performing regular maintenance. Team member lost grip of the mantel nut while setting it to the side causing there right hand / wrist to be pinch between the cone liner and mantel nut.

2008 · 1 incident

August 13, 2008 OR · Metal/Non-Metal mechanic helper SLIP OR FALL OF PERSON
Knife River Corporation-Northwest · Fall to lower level, (Not Elsewhere Classified)

Employee wandered away from job duties, past a clearly marked "Do Not Enter" sign and fell into crusher feeder. He broke his left femur and left wrist.

2006 · 2 incidents

July 12, 2006 OR · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Knife River Corporation-Northwest · Fall from machine

Slipped while stepping down from a conveyor Recieved an acute lumbard strain

April 20, 2006 OR · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman POWERED HAULAGE
Knife River Corporation-Northwest · Struck against a moving object

Employee was operating a manlift. A loader backed into the manlift at the operator's basket. The employee received broken bones to his left foot.

2005 · 1 incident

May 16, 2005 OR · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Knife River Corporation-Northwest · Fall from machine

While getting off of D-10 Dozer, slipped and fell. Cut the base of right thumb requiring stitches. Restricted work - no use of right hand for 1 week.