Mining Incidents

MN Portable #3 Metal/Non-Metal

Maple Grove, Hennepin County, MN  ·  Intermittent
MSHA Mine ID: 2103147

MN Portable #3 has $713 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
5
Years on record
2002–2024
Latest incident
Sep 2024
Compliance record
MSHA citations since 2000
7
citations
2
significant & substantial
$713
proposed penalties
$713
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
30
inspections on record
247
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: 247 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

MN Portable #3 has $713 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.
$713
proposed penalties
$713
current assessed
$713
paid to date
$0
outstanding
7 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2022-11-21.
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 2,436 0 0 0.0
2025 Q3 3,588 0 0 0.0
2025 Q2 3,292 0 0 0.0
2025 Q1 290 0 0 0.0
2024 Q4 2,879 0 0 0.0
2024 Q3 2,975 0 0 0.0
2024 Q2 3,465 0 0 0.0
2024 Q1 1,357 0 0 0.0
Show 88 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 2,403 0 0 0.0
2023 Q3 4,217 0 0 0.0
2023 Q2 4,923 0 0 0.0
2023 Q1 1,797 0 0 0.0
2022 Q4 3,213 1 0 311.2
2022 Q3 4,593 0 0 0.0
2022 Q2 4,617 0 0 0.0
2022 Q1 1,306 0 0 0.0
2021 Q4 2,347 0 0 0.0
2021 Q3 3,413 0 0 0.0
2021 Q2 3,674 0 0 0.0
2019 Q1 0 0 0
2018 Q4 0 0 0
2018 Q3 0 0 0
2018 Q2 0 0 0
2018 Q1 0 0 0
2017 Q4 0 0 0
2017 Q3 0 0 0
2017 Q2 0 0 0
2017 Q1 0 0 0
2016 Q4 0 0 0
2016 Q3 0 0 0
2016 Q2 1,360 1 0 735.3
2016 Q1 0 0 0
2015 Q4 0 0 0
2015 Q3 1 0 0 0.0
2015 Q2 0 0 0
2015 Q1 0 0 0
2014 Q4 1,194 0 0 0.0
2014 Q3 2,521 1 0 396.7
2014 Q2 2,129 0 0 0.0
2014 Q1 642 0 0 0.0
2013 Q4 0 0 0
2013 Q3 0 0 0
2013 Q2 0 0 0
2013 Q1 0 0 0
2012 Q4 0 0 0
2012 Q3 2,085 1 1 479.6
2012 Q2 1,789 0 0 0.0
2012 Q1 686 0 0 0.0
2011 Q4 2,557 0 0 0.0
2011 Q3 3,807 0 0 0.0
2011 Q2 2,439 0 0 0.0
2011 Q1 0 0 0
2010 Q4 0 0 0
2010 Q3 0 0 0
2010 Q2 1,404 0 0 0.0
2010 Q1 759 0 0 0.0
2009 Q4 1,428 0 0 0.0
2009 Q3 3,523 0 0 0.0
2009 Q2 2,796 0 0 0.0
2009 Q1 638 0 0 0.0
2008 Q4 2,395 0 0 0.0
2008 Q3 2,944 0 0 0.0
2008 Q2 2,695 0 0 0.0
2008 Q1 737 0 0 0.0
2007 Q4 1,777 0 0 0.0
2007 Q3 2,923 0 0 0.0
2007 Q2 3,310 0 0 0.0
2007 Q1 1,466 0 0 0.0
2006 Q4 2,592 0 0 0.0
2006 Q3 3,957 0 0 0.0
2006 Q2 3,937 0 0 0.0
2006 Q1 1,035 0 0 0.0
2005 Q4 1,637 0 0 0.0
2005 Q3 5,256 0 0 0.0
2005 Q2 3,113 0 0 0.0
2005 Q1 1,049 0 0 0.0
2004 Q4 2,269 0 0 0.0
2004 Q3 4,222 0 0 0.0
2004 Q2 3,931 0 0 0.0
2004 Q1 1,894 0 0 0.0
2003 Q4 2,090 0 0 0.0
2003 Q3 3,743 0 0 0.0
2003 Q2 3,335 0 0 0.0
2003 Q1 440 0 0 0.0
2002 Q4 2,273 0 0 0.0
2002 Q3 2,827 0 0 0.0
2002 Q2 3,389 0 0 0.0
2002 Q1 718 1 0 1392.8
2001 Q4 1,918 0 0 0.0
2001 Q3 2,150 0 0 0.0
2001 Q2 3,176 1 0 314.9
2001 Q1 416 0 0 0.0
2000 Q4 2,615 0 0 0.0
2000 Q3 2,929 0 0 0.0
2000 Q2 2,381 1 1 420.0
2000 Q1 1 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

5 on file

2024 · 1 incident

September 10, 2024 MN · Metal/Non-Metal groundman, yardman HANDLING OF MATERIALS
Barton Sand & Gravel Co · Over-exertion in pulling or pushing objects

Employee started feeling knee discomfort and unstableness while pulling cords during equipment teardown. Employee was prescribed physical therapy for string band strain. Injury was deemed work-related on 10/01/2024.

2021 · 1 incident

August 9, 2021 MN · Metal/Non-Metal quality control technician, laboratory technician, laboratory assistant HANDLING OF MATERIALS
Barton Sand & Gravel Co · Over-exertion in lifting objects

Employee strained knee gathering a stockpile sample

2014 · 1 incident

April 2, 2014 MN · Metal/Non-Metal greaser, grease man, oiler, lube man, dragline oiler DISORDERS (REPEATED TRAUMA)
Barton Sand & Gravel Co · (Not Elsewhere Classified)

Reportable hearing loss - standard threshold shift

2007 · 1 incident

March 7, 2007 MN · Metal/Non-Metal greaser, grease man, oiler, lube man, dragline oiler DISORDERS (REPEATED TRAUMA)
Barton Sand & Gravel Co · (Not Elsewhere Classified)

Hearing loss recorded on his annual hearing test.

2002 · 1 incident

August 29, 2002 MN · Metal/Non-Metal greaser, grease man, oiler, lube man, dragline oiler HANDTOOLS (NONPOWERED)
Barton Sand & Gravel Co · Struck by... (Not Elsewhere Classified)

EMPLOYEE WAS CUTTING A CONVEYOR BELT WHEN THE KNIFE SLIPPED AND CUT HIS LEFT LEG ABOVE HIS KNEE.

For insurers, brokers, and safety consultants

The full compliance file on MN Portable #3

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.