Portable #100 Metal/Non-Metal
Western Construction Inc.
· Surface
Controlled by
Tom E Lien Jr
Rapid City,
Pennington County,
SD
·
Active
MSHA Mine ID: 3901539
Portable #100 has $12K 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 2009
63
citations
12
significant & substantial
$12,355
proposed penalties
$12,355
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2009
43
inspections on record
514
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: 514 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 #100 has $12K 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.$12K
proposed penalties
$12K
current assessed
$12K
paid to date
$0
outstanding
62 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2025-08-18.
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 | 4,782 | 0 | 0 | 0.0 |
| 2025 Q3 | 5,351 | 2 | 0 | 373.8 |
| 2025 Q2 | 3,444 | 0 | 0 | 0.0 |
| 2025 Q1 | 3,419 | 5 | 0 | 1462.4 |
| 2024 Q4 | 3,979 | 0 | 0 | 0.0 |
| 2024 Q3 | 4,772 | 3 | 0 | 628.7 |
| 2024 Q2 | 4,390 | 0 | 0 | 0.0 |
| 2024 Q1 | 4,017 | 0 | 0 | 0.0 |
Show 59 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2023 Q4 | 4,938 | 0 | 0 | 0.0 |
| 2023 Q3 | 4,981 | 3 | 0 | 602.3 |
| 2023 Q2 | 3,031 | 0 | 0 | 0.0 |
| 2023 Q1 | 2,677 | 2 | 1 | 747.1 |
| 2022 Q4 | 2,917 | 0 | 0 | 0.0 |
| 2022 Q3 | 3,190 | 0 | 0 | 0.0 |
| 2022 Q2 | 2,679 | 2 | 1 | 746.5 |
| 2022 Q1 | 3,498 | 0 | 0 | 0.0 |
| 2021 Q4 | 3,896 | 3 | 0 | 770.0 |
| 2021 Q3 | 4,266 | 0 | 0 | 0.0 |
| 2021 Q2 | 3,584 | 0 | 0 | 0.0 |
| 2021 Q1 | 3,214 | 2 | 0 | 622.3 |
| 2020 Q4 | 3,618 | 0 | 0 | 0.0 |
| 2020 Q3 | 3,611 | 0 | 0 | 0.0 |
| 2020 Q2 | 3,736 | 1 | 0 | 267.7 |
| 2020 Q1 | 4,147 | 1 | 0 | 241.1 |
| 2019 Q4 | 3,476 | 0 | 0 | 0.0 |
| 2019 Q3 | 3,756 | 0 | 0 | 0.0 |
| 2019 Q2 | 2,744 | 1 | 0 | 364.4 |
| 2019 Q1 | 2,178 | 0 | 0 | 0.0 |
| 2018 Q4 | 2,239 | 0 | 0 | 0.0 |
| 2018 Q3 | 889 | 0 | 0 | 0.0 |
| 2018 Q2 | 2,023 | 0 | 0 | 0.0 |
| 2018 Q1 | 1,901 | 0 | 0 | 0.0 |
| 2017 Q4 | 3,177 | 1 | 0 | 314.8 |
| 2017 Q3 | 1,307 | 0 | 0 | 0.0 |
| 2017 Q2 | 2,654 | 1 | 0 | 376.8 |
| 2017 Q1 | 2,168 | 2 | 0 | 922.5 |
| 2016 Q4 | 2,313 | 0 | 0 | 0.0 |
| 2016 Q3 | 2,316 | 0 | 0 | 0.0 |
| 2016 Q2 | 1,388 | 0 | 0 | 0.0 |
| 2016 Q1 | 1,375 | 2 | 1 | 1454.5 |
| 2015 Q4 | 796 | 0 | 0 | 0.0 |
| 2015 Q3 | 1,062 | 0 | 0 | 0.0 |
| 2015 Q2 | 1,827 | 2 | 0 | 1094.7 |
| 2015 Q1 | 2,013 | 0 | 0 | 0.0 |
| 2014 Q4 | 3,018 | 0 | 0 | 0.0 |
| 2014 Q3 | 1,866 | 7 | 2 | 3751.3 |
| 2014 Q2 | 2,838 | 0 | 0 | 0.0 |
| 2014 Q1 | 0 | 0 | 0 | |
| 2013 Q4 | 1,020 | 0 | 0 | 0.0 |
| 2013 Q3 | 1,450 | 4 | 3 | 2758.6 |
| 2013 Q2 | 1,529 | 1 | 1 | 654.0 |
| 2013 Q1 | 1,911 | 0 | 0 | 0.0 |
| 2012 Q4 | 863 | 0 | 0 | 0.0 |
| 2012 Q3 | 1,633 | 1 | 0 | 612.4 |
| 2012 Q2 | 2,665 | 0 | 0 | 0.0 |
| 2012 Q1 | 1,263 | 4 | 1 | 3167.1 |
| 2011 Q4 | 948 | 0 | 0 | 0.0 |
| 2011 Q3 | 3,542 | 0 | 0 | 0.0 |
| 2011 Q2 | 1,244 | 0 | 0 | 0.0 |
| 2011 Q1 | 2,331 | 2 | 0 | 858.0 |
| 2010 Q4 | 1,730 | 0 | 0 | 0.0 |
| 2010 Q3 | 1,520 | 0 | 0 | 0.0 |
| 2010 Q2 | 1,006 | 3 | 1 | 2982.1 |
| 2010 Q1 | 700 | 0 | 0 | 0.0 |
| 2009 Q4 | 952 | 0 | 0 | 0.0 |
| 2009 Q3 | 2,240 | 8 | 1 | 3571.4 |
| 2009 Q2 | 235 | 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.
For insurers, brokers, and safety consultants
The full compliance file on Portable #100
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.