Sioux Rock Quarry has $598 in proposed MSHA penalties and $0 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
2015
Latest incident
Jan 2015
Compliance record
MSHA citations since 2005
7
citations
0
significant & substantial
$598
proposed penalties
$598
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2005
24
inspections on record
186
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: 186 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Sioux Rock Quarry has $598 in proposed MSHA penalties and $0 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.
$598
proposed penalties
$598
current assessed
$598
paid to date
$0
outstanding
7 assessments are final orders; 1 contested dockets.
As of the most recent assessment on 2018-05-07.
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
0
0
0
2025 Q3
146
0
0
0.0
2020 Q4
173
0
0
0.0
2020 Q3
331
0
0
0.0
2020 Q2
420
0
0
0.0
2020 Q1
35
0
0
0.0
2019 Q4
119
0
0
0.0
2019 Q3
303
0
0
0.0
Show 56 earlier quartersHide earlier quarters
Quarter
Hours worked
Citations
S&S
Per 1M hrs
2019 Q2
363
0
0
0.0
2019 Q1
43
0
0
0.0
2018 Q4
74
0
0
0.0
2018 Q3
369
0
0
0.0
2018 Q2
446
1
0
2242.2
2018 Q1
0
0
0
2017 Q4
74
0
0
0.0
2017 Q3
584
0
0
0.0
2017 Q2
763
0
0
0.0
2017 Q1
108
0
0
0.0
2016 Q4
285
0
0
0.0
2016 Q3
441
0
0
0.0
2016 Q2
367
0
0
0.0
2016 Q1
152
0
0
0.0
2015 Q4
120
0
0
0.0
2015 Q3
314
0
0
0.0
2015 Q2
366
0
0
0.0
2015 Q1
0
0
0
2014 Q4
174
0
0
0.0
2014 Q3
1,553
0
0
0.0
2014 Q2
1,603
0
0
0.0
2014 Q1
0
0
0
2013 Q4
1,176
0
0
0.0
2013 Q3
978
0
0
0.0
2013 Q2
1,047
0
0
0.0
2013 Q1
80
1
0
12500.0
2012 Q4
282
0
0
0.0
2012 Q3
944
0
0
0.0
2012 Q2
788
0
0
0.0
2012 Q1
246
0
0
0.0
2011 Q4
747
0
0
0.0
2011 Q3
648
0
0
0.0
2011 Q2
572
0
0
0.0
2011 Q1
1
0
0
0.0
2010 Q4
413
0
0
0.0
2010 Q3
802
0
0
0.0
2010 Q2
715
0
0
0.0
2010 Q1
170
0
0
0.0
2009 Q4
204
0
0
0.0
2009 Q3
525
2
0
3809.5
2009 Q2
262
0
0
0.0
2009 Q1
1
0
0
0.0
2008 Q4
164
0
0
0.0
2008 Q3
201
0
0
0.0
2008 Q2
161
0
0
0.0
2008 Q1
188
0
0
0.0
2007 Q4
321
0
0
0.0
2007 Q3
1,006
0
0
0.0
2007 Q2
302
0
0
0.0
2007 Q1
1
0
0
0.0
2006 Q4
624
0
0
0.0
2006 Q3
775
0
0
0.0
2006 Q2
1,495
0
0
0.0
2006 Q1
1
0
0
0.0
2005 Q4
241
0
0
0.0
2005 Q3
361
3
0
8310.2
No fatalities recorded at this mine.
Reportable incidents
1 on file
2015 · 1 incident
January 5, 2015MN · Metal/Non-Metalwarehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operatorDISORDERS (REPEATED TRAUMA)
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.