Mining Incidents

PORTABLE CRUSHER #1 Metal/Non-Metal

Mobridge, Walworth County, SD  ·  Intermittent
MSHA Mine ID: 3900456

PORTABLE CRUSHER #1 has $10K in proposed MSHA penalties and $0 outstanding across 7 contested dockets, plus health sampling and the full incident record.

Watch this mine

Email me when a new MSHA incident is filed at PORTABLE CRUSHER #1.

Fatalities
0
Total incidents
1
Years on record
2015
Latest incident
Jun 2015
Compliance record
MSHA citations since 2001
81
citations
13
significant & substantial
$9,752
proposed penalties
$9,579
paid to date
98% of proposed penalties paid to date, a $173 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2001
49
inspections on record
660
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: 660 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 CRUSHER #1 has $10K in proposed MSHA penalties and $0 outstanding across 7 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.
$10K
proposed penalties
$10K
current assessed
$10K
paid to date
$0
outstanding
78 assessments are final orders; 7 contested dockets.
As of the most recent assessment on 2024-10-16.
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
2025 Q4 1,358 0 0 0.0
2025 Q3 1,842 0 0 0.0
2025 Q2 847 0 0 0.0
2025 Q1 0 0 0
2024 Q4 1,599 3 0 1876.2
2024 Q3 1,318 0 0 0.0
2024 Q2 1,039 3 1 2887.4
2024 Q1 0 0 0
Show 90 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 1,047 0 0 0.0
2023 Q3 1,444 1 0 692.5
2023 Q2 559 0 0 0.0
2023 Q1 0 0 0
2022 Q4 635 0 0 0.0
2022 Q3 1,449 0 0 0.0
2022 Q2 1,531 0 0 0.0
2022 Q1 571 0 0 0.0
2021 Q4 1,030 0 0 0.0
2021 Q3 1,648 1 0 606.8
2021 Q2 568 0 0 0.0
2021 Q1 514 0 0 0.0
2020 Q4 1,342 0 0 0.0
2020 Q3 1,209 0 0 0.0
2020 Q2 876 0 0 0.0
2020 Q1 0 0 0
2019 Q4 986 2 0 2028.4
2019 Q3 918 0 0 0.0
2019 Q2 735 0 0 0.0
2019 Q1 0 0 0
2018 Q4 1,405 3 1 2135.2
2018 Q3 1,500 0 0 0.0
2018 Q2 461 0 0 0.0
2018 Q1 0 0 0
2017 Q4 995 6 3 6030.2
2017 Q3 598 10 1 16722.4
2017 Q2 352 0 0 0.0
2017 Q1 0 0 0
2016 Q4 441 0 0 0.0
2016 Q3 1,086 0 0 0.0
2016 Q2 551 0 0 0.0
2016 Q1 563 1 0 1776.2
2015 Q4 1,141 0 0 0.0
2015 Q3 917 8 0 8724.1
2015 Q2 555 0 0 0.0
2015 Q1 266 0 0 0.0
2014 Q4 526 0 0 0.0
2014 Q3 268 1 0 3731.3
2014 Q2 443 0 0 0.0
2014 Q1 0 0 0
2013 Q4 548 0 0 0.0
2013 Q3 1,060 3 0 2830.2
2013 Q2 767 0 0 0.0
2013 Q1 276 0 0 0.0
2012 Q4 976 0 0 0.0
2012 Q3 1,857 0 0 0.0
2012 Q2 2,050 0 0 0.0
2012 Q1 408 6 2 14705.9
2011 Q4 1,399 0 0 0.0
2011 Q3 468 0 0 0.0
2011 Q2 856 7 2 8177.6
2011 Q1 0 0 0
2010 Q4 181 0 0 0.0
2010 Q3 1,846 0 0 0.0
2010 Q2 1,395 0 0 0.0
2010 Q1 0 1 0
2009 Q4 993 0 0 0.0
2009 Q3 1,841 0 0 0.0
2009 Q2 561 0 0 0.0
2009 Q1 0 0 0
2008 Q4 0 0 0
2008 Q3 368 0 0 0.0
2008 Q2 1,458 1 0 685.9
2008 Q1 575 0 0 0.0
2007 Q4 535 0 0 0.0
2007 Q3 1,921 1 0 520.6
2007 Q2 2,268 0 0 0.0
2007 Q1 362 0 0 0.0
2006 Q4 0 0 0
2006 Q3 1,482 0 0 0.0
2006 Q2 1,670 0 0 0.0
2006 Q1 413 0 0 0.0
2005 Q4 1,495 0 0 0.0
2005 Q3 2,795 0 0 0.0
2005 Q2 1,482 0 0 0.0
2005 Q1 714 0 0 0.0
2004 Q4 1,741 3 0 1723.1
2004 Q3 2,848 7 1 2457.9
2004 Q2 2,765 0 0 0.0
2004 Q1 1,170 0 0 0.0
2003 Q4 2,114 0 0 0.0
2003 Q3 1,830 0 0 0.0
2003 Q2 1,760 0 0 0.0
2003 Q1 0 0 0
2002 Q4 117 0 0 0.0
2002 Q3 830 0 0 0.0
2002 Q2 0 0 0
2002 Q1 0 0 0
2001 Q4 117 0 0 0.0
2001 Q3 117 10 2 85470.1
No fatalities recorded at this mine.

Reportable incidents

1 on file

2015 · 1 incident

June 10, 2015 SD · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Jensen Rock & Sand Inc · Caught in, under or between (Not Elsewhere Classified)

Employee was stepping down from Dozer. It had just rained and his foot slipped in between tracks got caught and when he fell he broke his lower leg.

For insurers, brokers, and safety consultants

The full compliance file on PORTABLE CRUSHER #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.