Mining Incidents

Tvedt Crusher-Primary Metal/Non-Metal

Controlled by Christopher DeCook
Byron, Olmsted County, MN  ·  Active
MSHA Mine ID: 2103569

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Fatalities
0
Total incidents
5
Years on record
2017–2025
Latest incident
Oct 2025
Compliance record
MSHA citations since 2008
52
citations
13
significant & substantial
$103,196
proposed penalties
$84,228
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 2,779 0 0 0.0
2025 Q3 3,024 0 0 0.0
2025 Q2 2,154 1 0 464.3
2025 Q1 996 3 1 3012.0
2024 Q4 3,015 0 0 0.0
2024 Q3 3,181 0 0 0.0
2024 Q2 2,709 0 0 0.0
2024 Q1 2,573 1 0 388.7
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
No fatalities recorded at this mine.

Reportable incidents

5 on file

2025 · 1 incident

October 7, 2025 MN · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman MACHINERY
Olmsted Aggregate, Inc. · Flash burns (welding)

Employee was working in the shop and in the proximity of another employee that was welding. Injured employee states EE sustained flash burns from the welding operations. Employee was seen at a medical facility and given eye drops to use for the next few days.

2022 · 2 incidents

November 2, 2022 MN · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDLING OF MATERIALS
Olmsted Aggregate, Inc. · Caught in, under or between a moving and a stationary object

Operating a front end loader, got out to help truck driver with a piece of rock stuck in a tailgate. When removing rock finger was caught and the end was cut off.

September 14, 2022 MN · Metal/Non-Metal drill operator SLIP OR FALL OF PERSON
Olmsted Aggregate, Inc. · Fall from machine

Drill on top of a high wall, next to the edge. Driller fell 50' to the quarry floor. Injury to EE's Head, Face, Leg, Shoulder, Ribs, and Lung.

2019 · 1 incident

March 27, 2019 MN · Metal/Non-Metal weighman, scale person SLIP OR FALL OF PERSON
Olmsted Aggregate, Inc. · Fall to the walkway or working surface

SCALE ATTENDANT WAS SWEEPING THE OFFICE FLOOR. FOOT CAUGHT THE BASE/WHEEL OF A DESK CHAIR RESULTING IN A FALL AND SUBSEQUENT INJURY TO THE LEFT UPPER LEG OR HIP.

2017 · 1 incident

May 2, 2017 MN · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
Braaten Sand & Gravel Inc · Caught in, under or between a moving and a stationary object

Rock was stuck on shaker pan and cat walk employee used pry bar to loosen and when it loosened employee crushed finger between pry bar and railing