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Portable #1 Metal/Non-Metal

Controlled by D Michael Frost
Lovell, Big Horn County, WY  ·  Temporarily Idled
MSHA Mine ID: 4801636

Portable #1 has $34K in proposed MSHA penalties and $0 outstanding across 2 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
2
Years on record
2020–2022
Latest incident
Apr 2022
Compliance record
MSHA citations since 2003
91
citations
29
significant & substantial
$34,186
proposed penalties
$34,091
paid to date
100% of proposed penalties paid to date, a $95 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2003
39
inspections on record
560
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: 560 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Portable #1 has $34K in proposed MSHA penalties and $0 outstanding across 2 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.
$34K
proposed penalties
$34K
current assessed
$34K
paid to date
$0
outstanding
91 assessments are final orders; 2 contested dockets.
As of the most recent assessment on 2026-01-06.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
See also the operator's enforcement record
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 2,858 0 0 0.0
2025 Q3 1,434 4 0 2789.4
2025 Q2 1,745 0 0 0.0
2025 Q1 3,427 2 0 583.6
2024 Q4 4,118 0 0 0.0
2024 Q3 2,936 0 0 0.0
2024 Q2 3,138 0 0 0.0
2024 Q1 4,420 3 0 678.7
Show 75 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 3,454 0 0 0.0
2023 Q3 1,344 1 0 744.0
2023 Q2 3,300 0 0 0.0
2023 Q1 4,378 2 1 456.8
2022 Q4 1,500 0 0 0.0
2022 Q3 2,027 7 5 3453.4
2022 Q2 4,180 0 0 0.0
2022 Q1 3,643 0 0 0.0
2021 Q4 2,166 9 3 4155.1
2021 Q3 2,933 7 0 2386.6
2021 Q2 4,858 1 0 205.8
2021 Q1 4,695 2 0 426.0
2020 Q4 4,048 0 0 0.0
2020 Q3 5,135 0 0 0.0
2020 Q2 9,442 0 0 0.0
2020 Q1 6,855 21 9 3063.5
2019 Q4 2,311 0 0 0.0
2019 Q3 2,711 0 0 0.0
2019 Q2 2,962 0 0 0.0
2019 Q1 1,182 0 0 0.0
2018 Q4 828 0 0 0.0
2018 Q3 1,530 0 0 0.0
2018 Q2 1,806 0 0 0.0
2018 Q1 1,308 0 0 0.0
2017 Q4 365 0 0 0.0
2017 Q3 0 0 0
2017 Q2 0 0 0
2017 Q1 0 0 0
2016 Q4 1,758 0 0 0.0
2016 Q3 815 0 0 0.0
2016 Q2 1,864 0 0 0.0
2016 Q1 1,256 0 0 0.0
2015 Q4 927 0 0 0.0
2015 Q2 2,703 0 0 0.0
2015 Q1 1,052 1 0 950.6
2014 Q4 640 0 0 0.0
2014 Q3 1,322 3 0 2269.3
2014 Q2 616 0 0 0.0
2014 Q1 1,244 0 0 0.0
2013 Q4 1,547 0 0 0.0
2013 Q3 1,145 0 0 0.0
2013 Q2 591 0 0 0.0
2013 Q1 1,606 0 0 0.0
2012 Q4 1,851 0 0 0.0
2012 Q3 0 0 0
2012 Q2 1,621 0 0 0.0
2012 Q1 1,595 0 0 0.0
2011 Q4 1,737 4 1 2302.8
2011 Q3 635 0 0 0.0
2011 Q2 1,362 0 0 0.0
2011 Q1 496 1 1 2016.1
2010 Q4 495 0 0 0.0
2010 Q3 1,390 0 0 0.0
2010 Q2 2,688 0 0 0.0
2010 Q1 2,847 0 0 0.0
2009 Q4 1,784 5 0 2802.7
2009 Q3 1,913 0 0 0.0
2009 Q2 941 0 0 0.0
2009 Q1 881 0 0 0.0
2008 Q4 0 0 0
2008 Q3 831 4 1 4813.5
2008 Q2 0 0 0
2008 Q1 1,422 0 0 0.0
2007 Q4 2,527 0 0 0.0
2007 Q3 3,922 1 0 255.0
2007 Q2 2,092 0 0 0.0
2005 Q3 1 0 0 0.0
2005 Q2 0 0 0
2005 Q1 0 0 0
2004 Q4 0 0 0
2004 Q3 0 0 0
2004 Q2 0 0 0
2004 Q1 2,223 4 4 1799.4
2003 Q4 0 1 0
2003 Q3 3,347 5 3 1493.9
No fatalities recorded at this mine.

Reportable incidents

2 on file

2022 · 1 incident

April 7, 2022 WY · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Mountain Construction Company · Caught in, under or between a moving and a stationary object

Employee smashed finger in between balance weights and a bench.

2020 · 1 incident

January 22, 2020 WY · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Mountain Construction Company · Fall to the walkway or working surface

Got out of the car, walking over to equipment, there was a thin layer of snow covering a patch of ice EE didn't see the ice and slipped on it and landed with all of EE's weight on EE's knee.

For insurers, brokers, and safety consultants

The full compliance file on Portable #1

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.

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