Mining Incidents

Detroit Lakes Plant Metal/Non-Metal

Strata Corporation · Surface
Controlled by Knife River Corporation
Detroit Lakes, Becker County, MN  ·  Intermittent
MSHA Mine ID: 2103107

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Fatalities
0
Total incidents
17
Years on record
2001–2022
Latest incident
May 2022
Compliance record
MSHA citations since 2001
69
citations
14
significant & substantial
$8,783
proposed penalties
$8,404
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 2,903 0 0 0.0
2025 Q3 0 0 0
2025 Q2 3,810 3 1 787.4
2025 Q1 0 0 0
2024 Q4 2,479 0 0 0.0
2024 Q3 938 0 0 0.0
2024 Q1 0 0 0
2023 Q4 3,368 0 0 0.0
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
No fatalities recorded at this mine.

Reportable incidents

17 on file

2022 · 1 incident

May 10, 2022 MN · Metal/Non-Metal beltman, conveyor man, conveyor belt worker, mobile bridge carrierman, feeder operator, conveyor rider POWERED HAULAGE
Strata Corporation · Caught in, under or between running or meshing objects

Employee was checking on a squeaky roller while roller was in operation. Left hand got caught in roller and tore the skin on the left wrist in two places.

2021 · 1 incident

October 26, 2021 MN · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
Strata Corporation · Struck by falling object

EE was removing the impellor off of a water pump. The impellor fell off of the shaft and onto EE's right arm. It cut EE's forearm open leaving an approximately 3" long wound.

2017 · 1 incident

April 21, 2017 MN · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Strata Corporation · Fall from machine

Employee was conducting a pre-inspection of a dozer and was climbing off the machine when employee slipped and fell on the left hip.

2016 · 2 incidents

November 2, 2016 MN · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Strata Corporation · Struck against stationary object

Employee was cutting bolts from underneath a screen, raised up knocking hard hat off and hit head on the corner of a piece of metal.

April 14, 2016 MN · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
Strata Corporation · Struck by... (Not Elsewhere Classified)

Employee was cutting a trelix pad with a utility knife, knife slipped and sliced through glove on left hand, cutting a slice in the palm of EE's hand.

2015 · 4 incidents

October 20, 2015 MN · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Strata Corporation · Fall onto or against objects

Tripped and fell backwards, hitting lower back on an I-beam.

October 14, 2015 MN · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Strata Corporation · Over-exertion in lifting objects

Employee was moving and throwing rocks by hand and twisted wrong, straining back.

August 10, 2015 MN · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
Strata Corporation · Struck by... (Not Elsewhere Classified)

Trimming a belt from a stacker. Knife came through the belt when finishing the cut and cut right hand through the glove employee was wearing.

June 8, 2015 MN · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Strata Corporation · Over-exertion in pulling or pushing objects

Attempting to straighten a roll of belting and apparently strained back. Employee did not notify the employer until 06/12/2015 stating that it did not hurt until several days later. and therefore did not seek medical attention until the evening of 06/12/2015.

2014 · 1 incident

October 21, 2014 MN · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDTOOLS (NONPOWERED)
Strata Corporation · Over-exertion (Not Elsewhere Classified)

Employee was assisting with changing screens and was tightening a bolt with a wrench and felt a pain in his right arm.

2011 · 1 incident

August 18, 2011 MN · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
Strata Corporation · Struck by falling object

Employee was helping to fabricate a conveyor in the shop. A clamp, which was holding up a piece of metal failed. The metal fell on the employee's right foot, causing a fracture of the right great toe. There was no time lost.

2009 · 1 incident

June 8, 2009 MN · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Strata Corporation · Over-exertion in lifting objects

Alleged groin pain/discomfort from changing out screens on screen deck, possible hernia.

2005 · 1 incident

March 8, 2005 MN · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor SLIP OR FALL OF PERSON
Strata Corporation · Over-exertion (Not Elsewhere Classified)

Individual was delivering items to mine site. He stepped off of a car trailer, his ankle gave way and the ankle rolled. Possible severe strain or sprain.

2004 · 2 incidents

September 14, 2004 MN · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDLING OF MATERIALS
Strata Corporation · Struck by... (Not Elsewhere Classified)

Changing cutting edges on a CAT 980 G loader and sustained cut to left hand.

June 17, 2004 MN · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer POWERED HAULAGE
Strata Corporation · Struck against a moving object

Employee was operating a CAT 980 C loader. As the machine dug into the bank of material, the seat failed (later found to be safety wired) and the employee fell backwards.

2001 · 2 incidents

October 15, 2001 MN · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Strata Corporation · Struck by... (Not Elsewhere Classified)

WORKING ON DRAGLINE/CRANE CABLE, CABLE TWISTED AND SCRATCHED EYE.

May 8, 2001 MN · Metal/Non-Metal mine manager, mine foreman, mine owner SLIP OR FALL OF PERSON
Strata Corporation · Fall from machine

WAS CHECKING CRUSHER PRIOR TO OPERATION. HAD A DIZZY SPELL, GRABBED FOR LADDER, MISSED & FELL 20-12'.