Mining Incidents

Independence Portable Metal/Non-Metal

Marthasville, Warren County, MO  ·  Active
MSHA Mine ID: 2301301

Independence Portable has $5K 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
2
Years on record
2006–2026
Latest incident
Mar 2026
Compliance record
MSHA citations since 2003
46
citations
5
significant & substantial
$5,190
proposed penalties
$5,190
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
68
inspections on record
686
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: 686 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Independence Portable has $5K 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.
$5K
proposed penalties
$5K
current assessed
$5K
paid to date
$0
outstanding
44 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2025-10-08.
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 4,945 1 0 202.2
2025 Q3 5,026 0 0 0.0
2025 Q2 3,645 0 0 0.0
2025 Q1 2,185 1 0 457.7
2024 Q4 2,735 0 0 0.0
2024 Q3 1,841 1 0 543.2
2024 Q2 1,350 0 0 0.0
2024 Q1 2,683 1 0 372.7
Show 96 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 2,702 0 0 0.0
2023 Q3 3,314 0 0 0.0
2023 Q2 3,258 1 1 306.9
2023 Q1 2,135 1 0 468.4
2022 Q4 3,592 0 0 0.0
2022 Q3 3,516 0 0 0.0
2022 Q2 1,670 1 0 598.8
2022 Q1 1,419 0 0 0.0
2021 Q4 1,749 0 0 0.0
2021 Q3 2,004 0 0 0.0
2021 Q2 3,661 0 0 0.0
2021 Q1 2,425 1 0 412.4
2020 Q4 2,589 0 0 0.0
2020 Q3 1,851 0 0 0.0
2020 Q2 1,817 0 0 0.0
2020 Q1 1,478 0 0 0.0
2019 Q4 1,336 2 0 1497.0
2019 Q3 1,482 2 0 1349.5
2019 Q2 1,656 0 0 0.0
2019 Q1 1,378 0 0 0.0
2018 Q4 978 3 1 3067.5
2018 Q3 1,226 1 0 815.7
2018 Q2 1,378 0 0 0.0
2018 Q1 923 0 0 0.0
2017 Q4 1,411 1 0 708.7
2017 Q3 1,419 1 0 704.7
2017 Q2 1,427 0 0 0.0
2017 Q1 1,229 1 0 813.7
2016 Q4 1,398 0 0 0.0
2016 Q3 2,065 0 0 0.0
2016 Q2 2,404 1 1 416.0
2016 Q1 1,785 0 0 0.0
2015 Q4 1,575 0 0 0.0
2015 Q3 1,850 0 0 0.0
2015 Q2 1,743 1 1 573.7
2015 Q1 1,128 0 0 0.0
2014 Q4 1,471 1 0 679.8
2014 Q3 1,655 0 0 0.0
2014 Q2 1,466 1 0 682.1
2014 Q1 852 0 0 0.0
2013 Q4 1,224 1 0 817.0
2013 Q3 1,207 0 0 0.0
2013 Q2 1,287 1 0 777.0
2013 Q1 876 0 0 0.0
2012 Q4 1,320 1 0 757.6
2012 Q3 1,266 0 0 0.0
2012 Q2 1,195 1 0 836.8
2012 Q1 1,281 0 0 0.0
2011 Q4 1,275 1 0 784.3
2011 Q3 1,522 1 0 657.0
2011 Q2 1,570 0 0 0.0
2011 Q1 1,065 2 1 1877.9
2010 Q4 1,953 0 0 0.0
2010 Q3 1,865 0 0 0.0
2010 Q2 1,780 1 0 561.8
2010 Q1 1,720 0 0 0.0
2009 Q4 1,789 1 0 559.0
2009 Q3 2,104 1 0 475.3
2009 Q2 1,627 0 0 0.0
2009 Q1 1,197 0 0 0.0
2008 Q4 1,643 0 0 0.0
2008 Q3 1,739 0 0 0.0
2008 Q2 1,498 0 0 0.0
2008 Q1 1,399 0 0 0.0
2007 Q4 1,679 0 0 0.0
2007 Q3 1,950 0 0 0.0
2007 Q2 2,205 0 0 0.0
2007 Q1 1,647 0 0 0.0
2006 Q4 1,565 2 0 1278.0
2006 Q3 1,758 0 0 0.0
2006 Q2 1,680 0 0 0.0
2006 Q1 1,814 0 0 0.0
2005 Q4 1,400 1 0 714.3
2005 Q3 1,530 0 0 0.0
2005 Q2 2,500 1 0 400.0
2005 Q1 2,080 0 0 0.0
2004 Q4 2,200 0 0 0.0
2004 Q3 2,000 0 0 0.0
2004 Q2 2,340 0 0 0.0
2004 Q1 1,746 2 0 1145.5
2003 Q4 2,130 0 0 0.0
2003 Q3 2,400 0 0 0.0
2003 Q2 1,920 4 0 2083.3
2003 Q1 1,560 0 0 0.0
2002 Q4 1,520 0 0 0.0
2002 Q3 1,900 0 0 0.0
2002 Q2 1,800 0 0 0.0
2002 Q1 1,440 0 0 0.0
2001 Q4 1,280 0 0 0.0
2001 Q3 1,100 0 0 0.0
2001 Q2 1,600 0 0 0.0
2001 Q1 1,600 0 0 0.0
2000 Q4 1,300 0 0 0.0
2000 Q3 1,250 0 0 0.0
2000 Q2 1,000 0 0 0.0
2000 Q1 1,200 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

2 on file

2026 · 1 incident

March 25, 2026 MO · Metal/Non-Metal dry screening plant operator, screen house operator MACHINERY
Capital Quarries Co. Inc. · Struck by flying object

Employee was tracking the trommel plant to the pit. Something popped and struck the employee on the middle finger of the left hand.

2006 · 1 incident

January 27, 2006 MO · Metal/Non-Metal drill operator HANDLING OF MATERIALS
Richard J Mertens Inc · Struck by falling object

Employee was removing steel from a hole to clean bit when the coupler & steel above whre he was standing worked loose and fell on him - hit his neck.

For insurers, brokers, and safety consultants

The full compliance file on Independence Portable

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.