Mining Incidents

COFFEE LAKE POND Metal/Non-Metal

Controlled by Knife River Corporation
Portland, Washington County, OR  ·  Abandoned
MSHA Mine ID: 3503022

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Fatalities
0
Total incidents
11
Years on record
2000–2022
Latest incident
Oct 2022
Compliance record
MSHA citations since 2000
122
citations
18
significant & substantial
$15,602
proposed penalties
$15,358
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 Q1 0 1 1
2024 Q3 13,698 3 0 219.0
2024 Q2 13,274 0 0 0.0
2024 Q1 621 0 0 0.0
2023 Q4 1,181 1 0 846.7
2023 Q3 1,086 0 0 0.0
2023 Q2 9,673 0 0 0.0
2023 Q1 620 2 0 3225.8
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
No fatalities recorded at this mine.

Reportable incidents

11 on file

2022 · 1 incident

October 17, 2022 OR · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver MACHINERY
Knife River Corporation-Northwest · Struck against a moving object

DUMP BOX OF HAUL TRUCK BEING OPERATED BY MINER WAS JOSTLED BY EXCIVATOR BUCKET WHILE LOADING MATERIAL. MINER REPORTS NECK AND BACK PAIN.

2017 · 1 incident

September 7, 2017 OR · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Knife River Corporation-Northwest · Struck by falling object

A miner was changing a tire on a large piece of off-road equipment when the new tire tipped over as it was being staged in an upright position striking their foot. A groove/run beneath the tire contributed to this incident.

2012 · 1 incident

September 5, 2012 OR · Metal/Non-Metal ledgeman/hand, quarry man HANDLING OF MATERIALS
Knife River Corporation-Northwest · Struck by... (Not Elsewhere Classified)

After removing 3'x4' plate steel, tripped on expanded metal protruding from storage rack. Plate steel bounced on concrete striking me on chin, cutting a gash on my chin.

2007 · 2 incidents

October 18, 2007 OR · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
Knife River Corporation-Northwest · Struck by falling object

Crew was changing a punch plate on an incline screen. While aligning screen, the screen slid down existing deck, hitting employee in the right shin, cutting leg.

May 17, 2007 OR · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDTOOLS (NONPOWERED)
Knife River Corporation-Northwest · Caught in, under or between a moving and a stationary object

Replacing V-Belts on Cedar Rapids screen. Used cable (come-along) to relieve tension on electric motor. Pulled motor back and set. Reached down to remove strap and motor slipped down cutting his hand.

2005 · 2 incidents

October 12, 2005 OR · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
Knife River Corporation-Northwest · Over-exertion in lifting objects

Pain started in left shoulder. Moved down arm with pain and numbing. Later progressed around chest and then neck pain. Had X-rays taken, found arthritis and became more painful as days went on. Had MRI and found ruptured disk. No knowledge of exact time of injury to disk.

August 2, 2005 OR · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Knife River Corporation-Northwest · Caught in, under or between a moving and a stationary object

While unloading a punch plate onto a cat walk the employee's middle finger on his left hand was pinched between one of the punch plate openings and the cat walk hand rail. This resulted in a fracture to the finger.

2004 · 1 incident

January 29, 2004 OR · Metal/Non-Metal electrician, lineman ELECTRICAL
Knife River Corporation-Northwest · Flash burns (electric)

EMPLOYEE WAS TROUBLE SHOOTING; FOUND DAMAGE TO BREAKER; USED SCREWDRIVER TO REMOVE PLATE FROM BREAKER TO SEE INFO WRITTEN ON BREAKER. SCREWDRIVER SLIPPED; ARC FLASH BURNED HANDS & FACE. ROOT CAUSE: MOMENTARY LAPSE OF JUDGEMENT.

2001 · 1 incident

2000 · 2 incidents

December 29, 2000 OR · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Knife River Corporation-Northwest · Struck by... (Not Elsewhere Classified)

A SOCKET WAS TOSSED UP TO EE AND ACCIDENTLY STRUCK HIS GLASSES, CAUSE THEM TO CUT HIS FACE.

July 20, 2000 OR · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech POWERED HAULAGE
Knife River Corporation-Northwest · Struck by... (Not Elsewhere Classified)

WHILE WORKING, WENT TO REMOVE A RIPPED PIECE OF CONVEYOR BELTING. WHILE PLANT WAS STOPPING, THE RIPPED BELTING FELL BETWEEN COUNTER WEIGHT AND GOT CAUGHT. THE RIPPED BELTING WAS WHIPPED AROU ND. IT TAGGED THE LOWER LEGS, CAUSING WELTING AND CUTS.