Mining Incidents

Portable Plant #3 Metal/Non-Metal

Strata Corp · Surface
Controlled by Knife River Corporation
Grand Forks, Grand Forks County, ND  ·  Intermittent
MSHA Mine ID: 3200150

Portable Plant #3 has $8K 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
3
Years on record
1995–2001
Latest incident
Aug 2001
Compliance record
MSHA citations since 2000
36
citations
6
significant & substantial
$7,844
proposed penalties
$37,844
paid to date
482% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
26
inspections on record
318
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: 318 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 Plant #3 has $8K 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.
$8K
proposed penalties
$38K
current assessed
$38K
paid to date
$0
outstanding
36 assessments are final orders; 1 contested dockets.
As of the most recent assessment on 2022-06-24.
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 2,501 0 0 0.0
2025 Q3 3,335 0 0 0.0
2025 Q2 3,045 0 0 0.0
2025 Q1 0 0 0
2024 Q4 2,163 0 0 0.0
2024 Q3 3,639 0 0 0.0
2024 Q2 4,038 0 0 0.0
2024 Q1 0 0 0
Show 78 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 2,506 0 0 0.0
2023 Q3 3,246 0 0 0.0
2023 Q2 2,458 0 0 0.0
2023 Q1 0 0 0
2022 Q4 1,777 0 0 0.0
2022 Q3 3,711 0 0 0.0
2022 Q2 3,052 1 0 327.7
2022 Q1 0 0 0
2021 Q4 1,127 0 0 0.0
2021 Q3 3,191 0 0 0.0
2021 Q2 2,844 3 0 1054.9
2021 Q1 0 0 0
2020 Q4 1,056 0 0 0.0
2020 Q3 3,722 1 0 268.7
2020 Q2 2,670 0 0 0.0
2020 Q1 0 0 0
2019 Q4 2,228 0 0 0.0
2019 Q3 2,868 0 0 0.0
2019 Q2 2,605 0 0 0.0
2019 Q1 0 0 0
2018 Q4 1,721 0 0 0.0
2018 Q3 2,801 0 0 0.0
2018 Q2 3,461 0 0 0.0
2018 Q1 0 0 0
2017 Q4 3,851 4 1 1038.7
2017 Q3 4,731 0 0 0.0
2017 Q2 4,493 2 1 445.1
2017 Q1 970 0 0 0.0
2016 Q4 1,144 0 0 0.0
2016 Q3 4,074 0 0 0.0
2016 Q2 3,592 0 0 0.0
2016 Q1 642 0 0 0.0
2015 Q4 2,721 0 0 0.0
2015 Q3 3,443 0 0 0.0
2015 Q2 3,176 0 0 0.0
2015 Q1 520 0 0 0.0
2014 Q4 1,947 0 0 0.0
2014 Q3 2,582 0 0 0.0
2014 Q2 2,291 0 0 0.0
2014 Q1 642 0 0 0.0
2013 Q4 3,895 4 0 1027.0
2013 Q3 3,399 0 0 0.0
2013 Q2 2,135 1 0 468.4
2013 Q1 0 0 0
2012 Q4 3,936 0 0 0.0
2012 Q3 5,764 4 2 694.0
2012 Q2 5,468 0 0 0.0
2011 Q2 0 0 0
2011 Q1 0 0 0
2010 Q4 264 0 0 0.0
2010 Q3 1,265 0 0 0.0
2010 Q2 1,036 0 0 0.0
2010 Q1 0 0 0
2009 Q4 100 0 0 0.0
2009 Q3 839 0 0 0.0
2009 Q2 890 0 0 0.0
2009 Q1 0 0 0
2008 Q4 808 5 0 6188.1
2008 Q3 1,356 3 0 2212.4
2008 Q2 813 2 1 2460.0
2008 Q1 0 0 0
2007 Q4 0 0 0
2007 Q3 1,440 0 0 0.0
2003 Q3 0 0 0
2003 Q2 0 0 0
2003 Q1 0 0 0
2002 Q4 0 0 0
2002 Q3 0 0 0
2002 Q2 0 0 0
2002 Q1 482 0 0 0.0
2001 Q4 1,115 0 0 0.0
2001 Q3 3,702 0 0 0.0
2001 Q2 2,206 0 0 0.0
2001 Q1 600 0 0 0.0
2000 Q4 1,659 4 0 2411.1
2000 Q3 3,822 2 1 523.3
2000 Q2 2,728 0 0 0.0
2000 Q1 787 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

3 on file

2001 · 1 incident

August 28, 2001 ND · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer STRIKING OR BUMPING
Strata Corp · Struck against stationary object

DURING PLANT SETUP EE WALKED TO BACK OF CRAWLER TO DO SOMETHING, STOOD UP TOO QUICKLY & HIT HIS HEAD ON RIPPER.

1999 · 1 incident

May 21, 1999 ND · Metal/Non-Metal mine manager, mine foreman, mine owner HANDLING OF MATERIALS
Strata Corp · Struck by falling object

CHANGING HAMMERS AND ANVILS ON JAW CRUSHER THROWING ANVILS OFF, I FELL AND SCRAPED TOP OF MIDDLE FINGER, RT. HAND.

1995 · 1 incident

August 1, 1995 ND · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer POWERED HAULAGE
Strata Corp · Struck by... (Not Elsewhere Classified)

WORKING TIGHTENING BOLTS ON LOADER BUCKET PLATE. WENT TO LOWER BUCKET--MOVED CONTROL WHILE OUTSIDE CAGE, ARMS WENT UP, CATCHING LEFT LEG & ANKLE.

For insurers, brokers, and safety consultants

The full compliance file on Portable Plant #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.