Mining Incidents

Plant 4 Metal/Non-Metal

Controlled by Delwyn L Mickelsen
Blackfoot, Bonneville County, ID  ·  Intermittent
MSHA Mine ID: 1002187

Plant 4 has $5K in proposed MSHA penalties and $0 outstanding across 3 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
1
Years on record
2025
Latest incident
Nov 2025
Compliance record
MSHA citations since 2010
35
citations
9
significant & substantial
$5,117
proposed penalties
$4,876
paid to date
95% of proposed penalties paid to date, a $241 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2010
21
inspections on record
310
inspection hours
n/a
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.
Rate withheld: 310 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Plant 4 has $5K in proposed MSHA penalties and $0 outstanding across 3 contested dockets.

Penalty disposition
Differences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.
$5K
proposed penalties
$5K
current assessed
$5K
paid to date
$0
outstanding
35 assessments are final orders; 3 contested dockets.
As of the most recent assessment on 2025-07-24.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Quarterly safety rates
Citations per million reported employee-hours. Rates begin in 2000, when MSHA's quarterly employment data starts; earlier incidents are counted but cannot be rate-adjusted. Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
Citations per million employee-hours, as reported to MSHA
Quarter Hours worked Citations S&S Per 1M hrs
2025 Q4 817 0 0 0.0
2025 Q3 1,067 2 1 1874.4
2025 Q2 679 0 0 0.0
2025 Q1 609 0 0 0.0
2024 Q4 1,223 0 0 0.0
2024 Q3 1,270 3 0 2362.2
2024 Q2 788 0 0 0.0
2024 Q1 102 0 0 0.0
Show 57 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 547 0 0 0.0
2023 Q3 1,141 4 1 3505.7
2023 Q2 2,224 0 0 0.0
2023 Q1 755 0 0 0.0
2022 Q4 1,075 0 0 0.0
2022 Q3 1,582 0 0 0.0
2022 Q2 2,500 2 0 800.0
2022 Q1 484 0 0 0.0
2021 Q4 681 0 0 0.0
2021 Q3 612 0 0 0.0
2021 Q2 146 0 0 0.0
2021 Q1 212 0 0 0.0
2020 Q4 602 1 0 1661.1
2020 Q3 309 0 0 0.0
2020 Q2 662 0 0 0.0
2020 Q1 306 0 0 0.0
2019 Q4 936 0 0 0.0
2019 Q3 812 0 0 0.0
2019 Q2 1,141 2 0 1752.8
2019 Q1 0 0 0
2018 Q4 0 0 0
2018 Q3 256 0 0 0.0
2018 Q2 0 0 0
2018 Q1 0 0 0
2017 Q4 1,853 6 0 3238.0
2017 Q3 2,118 0 0 0.0
2017 Q2 1,904 0 0 0.0
2017 Q1 536 0 0 0.0
2016 Q4 948 2 0 2109.7
2016 Q3 3,022 1 0 330.9
2016 Q2 3,148 0 0 0.0
2016 Q1 721 0 0 0.0
2015 Q4 154 0 0 0.0
2015 Q3 1,080 1 0 925.9
2015 Q2 633 0 0 0.0
2015 Q1 1,153 0 0 0.0
2014 Q4 1,337 0 0 0.0
2014 Q3 1,284 0 0 0.0
2014 Q2 1,282 2 1 1560.1
2014 Q1 0 0 0
2013 Q4 285 0 0 0.0
2013 Q3 470 0 0 0.0
2013 Q2 1,067 0 0 0.0
2013 Q1 497 4 3 8048.3
2012 Q4 84 0 0 0.0
2012 Q3 371 0 0 0.0
2012 Q2 2,506 1 0 399.0
2011 Q4 384 0 0 0.0
2011 Q3 1,654 0 0 0.0
2011 Q2 1,383 0 0 0.0
2011 Q1 662 0 0 0.0
2010 Q4 371 0 0 0.0
2010 Q3 2,039 0 0 0.0
2010 Q2 1,816 4 3 2202.6
2010 Q1 48 0 0 0.0
2009 Q4 0 0 0
2009 Q3 0 0 0
No fatalities recorded at this mine.

Reportable incidents

1 on file

2025 · 1 incident

November 19, 2025 ID · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Mickelsen Construction, Inc. · Caught in, under or between a moving and a stationary object

The miner was working on changing a cone liner on a crusher. Daylight hours, no precipitation. 0-7 mph w winds

For insurers, brokers, and safety consultants

The full compliance file on Plant 4

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.