Mining Incidents

Portable Crusher #3 Metal/Non-Metal

Rochester, Olmsted County, MN  ·  Intermittent
MSHA Mine ID: 2103213

Portable Crusher #3 has $48K in proposed MSHA penalties and $1K 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 2000
162
citations
35
significant & substantial
$48,006
proposed penalties
$39,132
paid to date
82% of proposed penalties paid to date, a $8,874 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
44
inspections on record
609
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: 609 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 #3 has $48K in proposed MSHA penalties and $1K 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.
$48K
proposed penalties
$40K
current assessed
$39K
paid to date
$1K
outstanding
155 assessments are final orders; 3 contested dockets.
As of the most recent assessment on 2026-05-13.
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
2025 Q4 720 0 0 0.0
2025 Q3 1,460 0 0 0.0
2025 Q2 1,500 9 0 6000.0
2025 Q1 0 0 0
2024 Q4 820 0 0 0.0
2024 Q3 1,560 0 0 0.0
2024 Q2 980 0 0 0.0
2024 Q1 0 0 0
Show 96 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 1,630 7 0 4294.5
2023 Q3 1,600 0 0 0.0
2023 Q2 1,410 4 1 2836.9
2023 Q1 0 0 0
2022 Q4 990 0 0 0.0
2022 Q3 1,170 0 0 0.0
2022 Q2 1,000 2 1 2000.0
2022 Q1 0 0 0
2021 Q4 700 0 0 0.0
2021 Q3 750 0 0 0.0
2021 Q2 990 0 0 0.0
2021 Q1 0 0 0
2020 Q4 810 3 0 3703.7
2020 Q3 1,000 1 0 1000.0
2020 Q2 1,280 0 0 0.0
2020 Q1 80 0 0 0.0
2019 Q4 400 0 0 0.0
2019 Q3 820 0 0 0.0
2019 Q2 320 0 0 0.0
2019 Q1 0 0 0
2018 Q4 560 4 2 7142.9
2018 Q3 740 0 0 0.0
2018 Q2 380 5 0 13157.9
2018 Q1 0 0 0
2017 Q4 760 0 0 0.0
2017 Q3 900 0 0 0.0
2017 Q2 920 0 0 0.0
2017 Q1 260 0 0 0.0
2016 Q4 740 0 0 0.0
2016 Q3 900 0 0 0.0
2016 Q2 600 20 2 33333.3
2016 Q1 0 0 0
2015 Q4 260 0 0 0.0
2015 Q3 940 3 0 3191.5
2015 Q2 800 13 8 16250.0
2015 Q1 160 0 0 0.0
2014 Q4 1,040 0 0 0.0
2014 Q3 1,160 0 0 0.0
2014 Q2 280 4 0 14285.7
2014 Q1 0 0 0
2013 Q4 600 0 0 0.0
2013 Q3 740 7 3 9459.5
2013 Q2 440 0 0 0.0
2013 Q1 0 0 0
2012 Q4 420 0 0 0.0
2012 Q3 540 8 1 14814.8
2012 Q2 200 0 0 0.0
2012 Q1 0 0 0
2011 Q4 180 0 0 0.0
2011 Q3 680 0 0 0.0
2011 Q2 500 15 4 30000.0
2011 Q1 0 0 0
2010 Q4 480 0 0 0.0
2010 Q3 340 2 0 5882.4
2010 Q2 380 0 0 0.0
2010 Q1 0 0 0
2009 Q4 180 0 0 0.0
2009 Q3 580 0 0 0.0
2009 Q2 380 9 3 23684.2
2009 Q1 0 0 0
2008 Q4 140 0 0 0.0
2008 Q3 800 4 0 5000.0
2008 Q2 0 0 0
2008 Q1 0 0 0
2007 Q4 460 0 0 0.0
2007 Q3 520 9 0 17307.7
2007 Q2 432 0 0 0.0
2007 Q1 0 0 0
2006 Q4 540 0 0 0.0
2006 Q3 340 0 0 0.0
2006 Q2 460 0 0 0.0
2006 Q1 0 0 0
2005 Q4 1,469 5 2 3403.7
2005 Q3 1,040 0 0 0.0
2005 Q2 480 0 0 0.0
2005 Q1 0 0 0
2004 Q4 1,267 0 0 0.0
2004 Q3 953 0 0 0.0
2004 Q2 1,108 0 0 0.0
2004 Q1 0 0 0
2003 Q4 186 0 0 0.0
2003 Q3 290 9 2 31034.5
2003 Q2 650 0 0 0.0
2003 Q1 0 0 0
2002 Q4 825 0 0 0.0
2002 Q3 360 0 0 0.0
2002 Q2 940 0 0 0.0
2002 Q1 0 0 0
2001 Q4 900 0 0 0.0
2001 Q3 675 3 0 4444.4
2001 Q2 827 0 0 0.0
2001 Q1 0 0 0
2000 Q4 120 0 0 0.0
2000 Q3 600 10 6 16666.7
2000 Q2 860 0 0 0.0
2000 Q1 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 Crusher #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.