Opperman Portable #3 Metal/Non-Metal
Opperman Inc
· Surface
Controlled by
Jeff Opperman
Gregory,
Gregory County,
SD
·
Intermittent
MSHA Mine ID: 3901515
Opperman Portable #3 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 2006
24
citations
3
significant & substantial
$2,933
proposed penalties
$2,933
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2006
28
inspections on record
331
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: 331 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 #3 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 2025-05-07.
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 | 484 | 0 | 0 | 0.0 |
| 2025 Q3 | 635 | 0 | 0 | 0.0 |
| 2025 Q2 | 524 | 1 | 0 | 1908.4 |
| 2025 Q1 | 281 | 3 | 0 | 10676.2 |
| 2024 Q4 | 1,039 | 0 | 0 | 0.0 |
| 2024 Q3 | 1,028 | 0 | 0 | 0.0 |
| 2024 Q2 | 656 | 0 | 0 | 0.0 |
| 2024 Q1 | 850 | 0 | 0 | 0.0 |
Show 71 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2023 Q4 | 721 | 0 | 0 | 0.0 |
| 2023 Q3 | 1,582 | 0 | 0 | 0.0 |
| 2023 Q2 | 856 | 2 | 0 | 2336.4 |
| 2023 Q1 | 6 | 0 | 0 | 0.0 |
| 2022 Q4 | 36 | 0 | 0 | 0.0 |
| 2022 Q3 | 563 | 0 | 0 | 0.0 |
| 2022 Q2 | 710 | 4 | 0 | 5633.8 |
| 2022 Q1 | 53 | 0 | 0 | 0.0 |
| 2021 Q4 | 3 | 0 | 0 | 0.0 |
| 2021 Q3 | 44 | 1 | 0 | 22727.3 |
| 2021 Q2 | 224 | 0 | 0 | 0.0 |
| 2021 Q1 | 560 | 0 | 0 | 0.0 |
| 2020 Q4 | 465 | 0 | 0 | 0.0 |
| 2020 Q3 | 708 | 0 | 0 | 0.0 |
| 2020 Q2 | 1,195 | 0 | 0 | 0.0 |
| 2020 Q1 | 349 | 0 | 0 | 0.0 |
| 2019 Q4 | 425 | 1 | 0 | 2352.9 |
| 2019 Q3 | 922 | 0 | 0 | 0.0 |
| 2019 Q2 | 169 | 0 | 0 | 0.0 |
| 2019 Q1 | 12 | 2 | 1 | 166666.7 |
| 2018 Q4 | 276 | 0 | 0 | 0.0 |
| 2018 Q3 | 667 | 0 | 0 | 0.0 |
| 2018 Q2 | 826 | 0 | 0 | 0.0 |
| 2018 Q1 | 20 | 0 | 0 | 0.0 |
| 2017 Q4 | 356 | 1 | 1 | 2809.0 |
| 2017 Q3 | 457 | 0 | 0 | 0.0 |
| 2017 Q2 | 458 | 0 | 0 | 0.0 |
| 2017 Q1 | 12 | 0 | 0 | 0.0 |
| 2016 Q4 | 55 | 2 | 0 | 36363.6 |
| 2016 Q3 | 95 | 0 | 0 | 0.0 |
| 2016 Q2 | 144 | 0 | 0 | 0.0 |
| 2016 Q1 | 68 | 3 | 0 | 44117.6 |
| 2015 Q4 | 306 | 0 | 0 | 0.0 |
| 2015 Q3 | 384 | 0 | 0 | 0.0 |
| 2015 Q2 | 458 | 0 | 0 | 0.0 |
| 2015 Q1 | 0 | 0 | 0 | |
| 2014 Q4 | 205 | 0 | 0 | 0.0 |
| 2014 Q3 | 606 | 0 | 0 | 0.0 |
| 2014 Q2 | 353 | 0 | 0 | 0.0 |
| 2014 Q1 | 0 | 0 | 0 | |
| 2013 Q4 | 21 | 0 | 0 | 0.0 |
| 2013 Q3 | 653 | 0 | 0 | 0.0 |
| 2013 Q2 | 373 | 1 | 1 | 2681.0 |
| 2013 Q1 | 0 | 0 | 0 | |
| 2012 Q4 | 138 | 0 | 0 | 0.0 |
| 2012 Q3 | 475 | 0 | 0 | 0.0 |
| 2012 Q2 | 402 | 1 | 0 | 2487.6 |
| 2012 Q1 | 0 | 0 | 0 | |
| 2011 Q4 | 230 | 0 | 0 | 0.0 |
| 2011 Q3 | 343 | 0 | 0 | 0.0 |
| 2011 Q2 | 337 | 0 | 0 | 0.0 |
| 2011 Q1 | 4 | 0 | 0 | 0.0 |
| 2010 Q4 | 212 | 0 | 0 | 0.0 |
| 2010 Q3 | 431 | 0 | 0 | 0.0 |
| 2010 Q2 | 24 | 0 | 0 | 0.0 |
| 2010 Q1 | 5 | 0 | 0 | 0.0 |
| 2009 Q4 | 228 | 0 | 0 | 0.0 |
| 2009 Q3 | 607 | 0 | 0 | 0.0 |
| 2009 Q2 | 1,023 | 0 | 0 | 0.0 |
| 2009 Q1 | 0 | 0 | 0 | |
| 2008 Q4 | 0 | 0 | 0 | |
| 2008 Q3 | 1,000 | 0 | 0 | 0.0 |
| 2008 Q2 | 934 | 0 | 0 | 0.0 |
| 2008 Q1 | 279 | 0 | 0 | 0.0 |
| 2007 Q4 | 350 | 1 | 0 | 2857.1 |
| 2007 Q3 | 415 | 0 | 0 | 0.0 |
| 2007 Q2 | 913 | 0 | 0 | 0.0 |
| 2007 Q1 | 0 | 0 | 0 | |
| 2006 Q4 | 80 | 0 | 0 | 0.0 |
| 2006 Q3 | 176 | 0 | 0 | 0.0 |
| 2006 Q2 | 455 | 1 | 0 | 2197.8 |
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 #3
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.