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Portable #1 (Red Rock Quarry) Metal/Non-Metal

Red Rock Quarry · Surface
Controlled by Mike Dean Scheffler
Sanborn, Cottonwood County, MN  ·  Active
MSHA Mine ID: 2103454

Portable #1 (Red Rock Quarry) has $90K in proposed MSHA penalties and $16K 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
2026
Latest incident
Apr 2026
Compliance record
MSHA citations since 2004
266
citations
53
significant & substantial
$89,591
proposed penalties
$74,022
paid to date
83% of proposed penalties paid to date, a $15,569 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2004
42
inspections on record
765
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: 765 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 #1 (Red Rock Quarry) has $90K in proposed MSHA penalties and $16K 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.
$90K
proposed penalties
$90K
current assessed
$74K
paid to date
$16K
outstanding
240 assessments are final orders; 1 contested dockets.
As of the most recent assessment on 2026-05-07.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
See also the operator's enforcement record
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 7,224 9 0 1245.8
2025 Q3 8,704 0 0 0.0
2025 Q2 8,614 6 0 696.5
2025 Q1 5,280 0 0 0.0
2024 Q4 6,797 4 1 588.5
2024 Q3 8,685 5 2 575.7
2024 Q2 8,251 0 0 0.0
2024 Q1 4,603 11 0 2389.7
Show 74 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 8,077 0 0 0.0
2023 Q3 11,093 18 4 1622.6
2023 Q2 10,242 0 0 0.0
2023 Q1 5,697 0 0 0.0
2022 Q4 8,752 0 0 0.0
2022 Q3 11,100 0 0 0.0
2022 Q2 10,085 0 0 0.0
2022 Q1 3,573 0 0 0.0
2021 Q4 7,983 9 0 1127.4
2021 Q3 9,183 16 11 1742.3
2021 Q2 7,658 0 0 0.0
2021 Q1 799 0 0 0.0
2020 Q4 8,663 0 0 0.0
2020 Q3 9,865 4 0 405.5
2020 Q2 8,684 0 0 0.0
2020 Q1 881 0 0 0.0
2019 Q4 6,628 0 0 0.0
2019 Q3 8,689 0 0 0.0
2019 Q2 7,261 7 1 964.1
2019 Q1 205 0 0 0.0
2018 Q4 5,769 0 0 0.0
2018 Q3 6,818 20 2 2933.4
2018 Q2 6,660 0 0 0.0
2018 Q1 624 0 0 0.0
2017 Q4 5,132 0 0 0.0
2017 Q3 6,232 0 0 0.0
2017 Q2 5,251 0 0 0.0
2017 Q1 1 0 0 0.0
2016 Q4 5,006 0 0 0.0
2016 Q3 6,483 5 0 771.2
2016 Q2 6,560 0 0 0.0
2016 Q1 1,924 0 0 0.0
2015 Q4 6,598 10 2 1515.6
2015 Q3 8,184 0 0 0.0
2015 Q2 7,429 11 2 1480.7
2015 Q1 707 0 0 0.0
2014 Q4 6,340 0 0 0.0
2014 Q3 7,905 0 0 0.0
2014 Q2 6,070 0 0 0.0
2014 Q1 1 0 0 0.0
2013 Q4 4,281 8 2 1868.7
2013 Q3 4,863 2 0 411.3
2013 Q2 4,580 8 2 1746.7
2013 Q1 1 0 0 0.0
2012 Q4 2,678 0 0 0.0
2012 Q3 3,265 0 0 0.0
2012 Q2 3,801 6 2 1578.5
2012 Q1 0 0 0
2011 Q4 3,152 0 0 0.0
2011 Q3 3,687 1 0 271.2
2011 Q2 4,012 19 6 4735.8
2010 Q1 785 0 0 0.0
2009 Q4 2,655 9 7 3389.8
2009 Q3 3,225 0 0 0.0
2009 Q2 4,111 0 0 0.0
2009 Q1 1 0 0 0.0
2008 Q4 2,811 8 3 2846.0
2008 Q3 1,967 0 0 0.0
2008 Q2 3,272 11 0 3361.9
2008 Q1 983 0 0 0.0
2007 Q4 1,495 2 0 1337.8
2007 Q3 2,732 19 2 6954.6
2007 Q2 1,620 0 0 0.0
2007 Q1 2,153 0 0 0.0
2006 Q4 1 0 0 0.0
2006 Q3 748 0 0 0.0
2006 Q2 205 0 0 0.0
2006 Q1 1 0 0 0.0
2005 Q4 883 3 0 3397.5
2005 Q3 1,200 1 0 833.3
2005 Q2 1,072 0 0 0.0
2005 Q1 0 0 0
2004 Q4 940 0 0 0.0
2004 Q3 1,807 9 1 4980.6
No fatalities recorded at this mine.

Reportable incidents

1 on file

2026 · 1 incident

April 22, 2026 MN · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman MACHINERY
Red Rock Quarry · Struck by... (Not Elsewhere Classified)

Employee was loosening bolts for a loader bucket cutting edge with an air impact, and grabbed the bolt head with EE's bare hand. The bolt spun in EE's hand, cutting open two of EE's fingers on EE's left hand. Employee was taken to the emergency room for stitches.

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The full compliance file on Portable #1 (Red Rock Quarry)

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.

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