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 quartersHide 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, 2023MI · Metal/Non-Metallaborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitmanHANDLING OF MATERIALS
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.