Opperman Portable #1 Metal/Non-Metal
Opperman Inc
· Surface
Controlled by
Jeff Opperman
Lake Andes,
Charles Mix County,
SD
·
Intermittent
MSHA Mine ID: 3900277
Opperman Portable #1 has $3K in proposed MSHA penalties and $0 outstanding across 0 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 2003
24
citations
4
significant & substantial
$2,543
proposed penalties
$2,543
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2003
27
inspections on record
329
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: 329 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Opperman Portable #1 has $3K in proposed MSHA penalties and $0 outstanding across 0 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.$3K
proposed penalties
$3K
current assessed
$3K
paid to date
$0
outstanding
24 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2026-03-09.
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 | 692 | 0 | 0 | 0.0 |
| 2025 Q3 | 1,260 | 0 | 0 | 0.0 |
| 2025 Q2 | 1,374 | 1 | 0 | 727.8 |
| 2025 Q1 | 1 | 0 | 0 | 0.0 |
| 2024 Q4 | 34 | 0 | 0 | 0.0 |
| 2024 Q3 | 644 | 0 | 0 | 0.0 |
| 2024 Q2 | 752 | 0 | 0 | 0.0 |
| 2024 Q1 | 1 | 0 | 0 | 0.0 |
Show 83 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2023 Q4 | 1 | 0 | 0 | 0.0 |
| 2023 Q3 | 339 | 1 | 1 | 2949.9 |
| 2023 Q2 | 77 | 0 | 0 | 0.0 |
| 2023 Q1 | 344 | 0 | 0 | 0.0 |
| 2022 Q4 | 342 | 0 | 0 | 0.0 |
| 2022 Q3 | 465 | 0 | 0 | 0.0 |
| 2022 Q2 | 450 | 0 | 0 | 0.0 |
| 2022 Q1 | 161 | 0 | 0 | 0.0 |
| 2021 Q4 | 331 | 0 | 0 | 0.0 |
| 2021 Q3 | 764 | 0 | 0 | 0.0 |
| 2021 Q2 | 599 | 0 | 0 | 0.0 |
| 2021 Q1 | 47 | 0 | 0 | 0.0 |
| 2020 Q4 | 434 | 2 | 0 | 4608.3 |
| 2020 Q3 | 801 | 0 | 0 | 0.0 |
| 2020 Q2 | 803 | 0 | 0 | 0.0 |
| 2020 Q1 | 528 | 0 | 0 | 0.0 |
| 2019 Q4 | 283 | 2 | 0 | 7067.1 |
| 2019 Q3 | 1,072 | 0 | 0 | 0.0 |
| 2019 Q2 | 1,016 | 0 | 0 | 0.0 |
| 2019 Q1 | 63 | 0 | 0 | 0.0 |
| 2018 Q4 | 365 | 0 | 0 | 0.0 |
| 2018 Q3 | 464 | 0 | 0 | 0.0 |
| 2018 Q2 | 336 | 0 | 0 | 0.0 |
| 2018 Q1 | 6 | 1 | 0 | 166666.7 |
| 2017 Q4 | 344 | 0 | 0 | 0.0 |
| 2017 Q3 | 370 | 0 | 0 | 0.0 |
| 2017 Q2 | 288 | 0 | 0 | 0.0 |
| 2017 Q1 | 167 | 0 | 0 | 0.0 |
| 2016 Q4 | 182 | 0 | 0 | 0.0 |
| 2016 Q3 | 525 | 0 | 0 | 0.0 |
| 2016 Q2 | 1,148 | 0 | 0 | 0.0 |
| 2016 Q1 | 379 | 0 | 0 | 0.0 |
| 2015 Q4 | 1 | 0 | 0 | 0.0 |
| 2015 Q3 | 0 | 0 | 0 | |
| 2015 Q2 | 3 | 0 | 0 | 0.0 |
| 2015 Q1 | 0 | 0 | 0 | |
| 2014 Q4 | 1,129 | 0 | 0 | 0.0 |
| 2014 Q3 | 296 | 0 | 0 | 0.0 |
| 2014 Q2 | 808 | 0 | 0 | 0.0 |
| 2014 Q1 | 0 | 0 | 0 | |
| 2013 Q4 | 75 | 3 | 1 | 40000.0 |
| 2013 Q3 | 440 | 0 | 0 | 0.0 |
| 2013 Q2 | 82 | 0 | 0 | 0.0 |
| 2013 Q1 | 0 | 0 | 0 | |
| 2012 Q4 | 78 | 0 | 0 | 0.0 |
| 2012 Q3 | 199 | 0 | 0 | 0.0 |
| 2012 Q2 | 405 | 0 | 0 | 0.0 |
| 2012 Q1 | 0 | 0 | 0 | |
| 2011 Q4 | 424 | 0 | 0 | 0.0 |
| 2011 Q3 | 136 | 0 | 0 | 0.0 |
| 2011 Q2 | 275 | 0 | 0 | 0.0 |
| 2011 Q1 | 4 | 0 | 0 | 0.0 |
| 2010 Q4 | 134 | 0 | 0 | 0.0 |
| 2010 Q3 | 433 | 3 | 1 | 6928.4 |
| 2010 Q2 | 432 | 0 | 0 | 0.0 |
| 2010 Q1 | 7 | 0 | 0 | 0.0 |
| 2009 Q4 | 34 | 0 | 0 | 0.0 |
| 2009 Q3 | 264 | 0 | 0 | 0.0 |
| 2009 Q2 | 537 | 1 | 0 | 1862.2 |
| 2009 Q1 | 24 | 0 | 0 | 0.0 |
| 2008 Q4 | 69 | 0 | 0 | 0.0 |
| 2008 Q3 | 1,077 | 0 | 0 | 0.0 |
| 2008 Q2 | 362 | 0 | 0 | 0.0 |
| 2008 Q1 | 220 | 2 | 0 | 9090.9 |
| 2007 Q4 | 95 | 0 | 0 | 0.0 |
| 2007 Q3 | 504 | 0 | 0 | 0.0 |
| 2007 Q2 | 425 | 2 | 0 | 4705.9 |
| 2007 Q1 | 0 | 0 | 0 | |
| 2006 Q4 | 0 | 0 | 0 | |
| 2006 Q3 | 150 | 0 | 0 | 0.0 |
| 2006 Q2 | 406 | 0 | 0 | 0.0 |
| 2006 Q1 | 0 | 0 | 0 | |
| 2005 Q4 | 697 | 3 | 1 | 4304.2 |
| 2005 Q3 | 578 | 0 | 0 | 0.0 |
| 2005 Q2 | 763 | 0 | 0 | 0.0 |
| 2005 Q1 | 393 | 0 | 0 | 0.0 |
| 2004 Q4 | 1,469 | 0 | 0 | 0.0 |
| 2004 Q3 | 218 | 0 | 0 | 0.0 |
| 2004 Q2 | 630 | 0 | 0 | 0.0 |
| 2004 Q1 | 134 | 0 | 0 | 0.0 |
| 2003 Q4 | 381 | 0 | 0 | 0.0 |
| 2003 Q3 | 658 | 0 | 0 | 0.0 |
| 2003 Q2 | 905 | 2 | 0 | 2209.9 |
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.
For insurers, brokers, and safety consultants
The full compliance file on Opperman 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.