Mining Incidents

Mobile Plant #1 Metal/Non-Metal

Avon, Bon Homme County, SD  ·  Intermittent
MSHA Mine ID: 2501247

Mobile Plant #1 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
0
Years on record
Latest incident
Compliance record
MSHA citations since 2008
25
citations
7
significant & substantial
$5,399
proposed penalties
$5,356
paid to date
99% of proposed penalties paid to date, a $43 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2008
30
inspections on record
281
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: 281 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Mobile Plant #1 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
25 assessments are final orders; 3 contested dockets.
As of the most recent assessment on 2026-01-13.
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
2023 Q3 0 0 0
2023 Q2 0 0 0
2023 Q1 0 0 0
2022 Q4 0 0 0
2022 Q3 0 0 0
2022 Q2 0 0 0
2022 Q1 0 0 0
2021 Q4 40 1 0 25000.0
Show 53 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2021 Q3 264 0 0 0.0
2021 Q2 300 0 0 0.0
2021 Q1 0 0 0
2020 Q4 0 0 0
2020 Q3 695 0 0 0.0
2020 Q2 872 0 0 0.0
2020 Q1 0 0 0
2019 Q4 150 2 0 13333.3
2019 Q3 544 0 0 0.0
2019 Q2 1,010 0 0 0.0
2019 Q1 0 0 0
2018 Q4 450 1 1 2222.2
2018 Q3 1,213 0 0 0.0
2018 Q2 1,211 0 0 0.0
2018 Q1 0 3 1
2017 Q4 179 0 0 0.0
2017 Q3 710 0 0 0.0
2017 Q2 699 0 0 0.0
2017 Q1 0 0 0
2016 Q4 515 0 0 0.0
2016 Q3 555 0 0 0.0
2016 Q2 611 0 0 0.0
2016 Q1 470 0 0 0.0
2015 Q4 0 0 0
2015 Q3 1,585 0 0 0.0
2015 Q2 664 0 0 0.0
2015 Q1 392 0 0 0.0
2014 Q4 396 0 0 0.0
2014 Q3 1,000 1 0 1000.0
2014 Q2 1,037 0 0 0.0
2014 Q1 0 0 0
2013 Q4 325 0 0 0.0
2013 Q3 880 0 0 0.0
2013 Q2 404 0 0 0.0
2013 Q1 0 0 0
2012 Q4 0 0 0
2012 Q3 704 0 0 0.0
2012 Q2 928 0 0 0.0
2012 Q1 0 0 0
2011 Q4 0 0 0
2011 Q3 965 3 1 3108.8
2011 Q2 439 0 0 0.0
2011 Q1 0 0 0
2010 Q4 36 0 0 0.0
2010 Q3 474 1 1 2109.7
2010 Q2 200 0 0 0.0
2010 Q1 0 0 0
2009 Q4 18 0 0 0.0
2009 Q3 256 0 0 0.0
2009 Q2 312 3 2 9615.4
2009 Q1 0 0 0
2008 Q4 140 0 0 0.0
2008 Q3 102 0 0 0.0

No reportable incidents on file.

MSHA has no recorded reportable accidents for this mine in the current dataset. New reports appear here within a week of being filed.

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The full compliance file on Mobile Plant #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.