Mining Incidents

Superior Plant Metal/Non-Metal

Controlled by Charles E Stringer
Cass City, Tuscola County, MI  ·  Intermittent
MSHA Mine ID: 2003275

Superior Plant has $25K in proposed MSHA penalties and $151 outstanding across 1 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
1
Years on record
2023
Latest incident
Feb 2023
Compliance record
MSHA citations since 2004
114
citations
33
significant & substantial
$24,754
proposed penalties
$23,630
paid to date
95% of proposed penalties paid to date, a $1,124 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2003
37
inspections on record
497
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: 497 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Superior Plant has $25K in proposed MSHA penalties and $151 outstanding across 1 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.
$25K
proposed penalties
$24K
current assessed
$24K
paid to date
$151
outstanding
113 assessments are final orders; 1 contested dockets.
As of the most recent assessment on 2026-03-11.
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 152 0 0 0.0
2025 Q3 556 0 0 0.0
2025 Q2 795 0 0 0.0
2025 Q1 245 0 0 0.0
2024 Q4 488 6 1 12295.1
2024 Q3 555 0 0 0.0
2024 Q2 759 0 0 0.0
2024 Q1 180 0 0 0.0
Show 82 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 422 4 0 9478.7
2023 Q3 1,080 0 0 0.0
2023 Q2 322 0 0 0.0
2023 Q1 172 1 0 5814.0
2022 Q4 410 2 1 4878.0
2022 Q3 695 13 9 18705.0
2022 Q2 765 0 0 0.0
2022 Q1 0 0 0
2021 Q4 350 0 0 0.0
2021 Q3 924 0 0 0.0
2021 Q2 845 7 1 8284.0
2021 Q1 50 0 0 0.0
2020 Q4 865 0 0 0.0
2020 Q3 720 0 0 0.0
2020 Q2 756 7 1 9259.3
2020 Q1 25 0 0 0.0
2019 Q4 365 0 0 0.0
2019 Q3 759 4 0 5270.1
2019 Q2 720 5 3 6944.4
2019 Q1 0 0 0
2018 Q4 395 0 0 0.0
2018 Q3 605 0 0 0.0
2018 Q2 1,425 0 0 0.0
2018 Q1 65 0 0 0.0
2017 Q4 445 7 1 15730.3
2017 Q3 982 0 0 0.0
2017 Q2 1,110 0 0 0.0
2017 Q1 0 0 0
2016 Q4 680 7 3 10294.1
2016 Q3 486 0 0 0.0
2016 Q2 955 11 5 11518.3
2016 Q1 0 0 0
2015 Q4 704 0 0 0.0
2015 Q3 991 12 4 12109.0
2015 Q2 840 0 0 0.0
2015 Q1 95 0 0 0.0
2014 Q4 697 0 0 0.0
2014 Q3 1,800 0 0 0.0
2014 Q2 1,211 2 1 1651.5
2014 Q1 0 0 0
2013 Q4 1,245 0 0 0.0
2013 Q3 1,614 11 1 6815.4
2013 Q2 1,080 0 0 0.0
2013 Q1 64 0 0 0.0
2012 Q4 1,089 0 0 0.0
2012 Q3 1,575 0 0 0.0
2012 Q2 1,974 0 0 0.0
2012 Q1 449 0 0 0.0
2011 Q4 1,395 1 0 716.8
2011 Q3 2,106 0 0 0.0
2011 Q2 1,845 0 0 0.0
2011 Q1 89 0 0 0.0
2010 Q4 922 3 1 3253.8
2010 Q3 1,497 0 0 0.0
2010 Q2 1,542 0 0 0.0
2010 Q1 76 0 0 0.0
2009 Q4 807 3 1 3717.5
2009 Q3 1,621 5 0 3084.5
2009 Q2 1,523 0 0 0.0
2009 Q1 161 0 0 0.0
2008 Q4 1,442 0 0 0.0
2008 Q3 1,441 0 0 0.0
2008 Q2 1,441 0 0 0.0
2008 Q1 360 0 0 0.0
2007 Q4 1,121 0 0 0.0
2007 Q3 1,445 0 0 0.0
2007 Q2 1,440 0 0 0.0
2007 Q1 1,046 0 0 0.0
2006 Q4 1,440 0 0 0.0
2006 Q3 1,440 0 0 0.0
2006 Q2 1,440 0 0 0.0
2006 Q1 480 0 0 0.0
2005 Q4 1,440 0 0 0.0
2005 Q3 1,440 0 0 0.0
2005 Q2 1,440 0 0 0.0
2005 Q1 0 0 0
2004 Q4 720 0 0 0.0
2004 Q3 320 0 0 0.0
2004 Q2 320 2 0 6250.0
2004 Q1 0 0 0
2003 Q4 200 0 0 0.0
2003 Q3 485 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

1 on file

2023 · 1 incident

February 13, 2023 MI · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Thumb Aggregate Sales LLC · Caught in, under or between a moving and a stationary object

Mine Operator locked. The bottom of the conveyor, went underneath, and the conveyor tipped

For insurers, brokers, and safety consultants

The full compliance file on Superior Plant

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.