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Portable Plant #2 Metal/Non-Metal

Strata Corporation · Surface
Controlled by Knife River Corporation
Grand Forks, Grand Forks County, ND  ·  Intermittent
MSHA Mine ID: 3200151

Portable Plant #2 has $7K in proposed MSHA penalties and $0 outstanding across 2 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
7
Years on record
1992–2016
Latest incident
Apr 2016
Compliance record
MSHA citations since 2001
40
citations
18
significant & substantial
$7,216
proposed penalties
$7,078
paid to date
98% of proposed penalties paid to date, a $138 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2001
27
inspections on record
350
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: 350 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 #2 has $7K in proposed MSHA penalties and $0 outstanding across 2 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.
$7K
proposed penalties
$7K
current assessed
$7K
paid to date
$0
outstanding
38 assessments are final orders; 2 contested dockets.
As of the most recent assessment on 2025-05-29.
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 2,008 0 0 0.0
2025 Q3 2,991 0 0 0.0
2025 Q2 2,940 1 1 340.1
2025 Q1 0 0 0
2024 Q4 1,943 0 0 0.0
2024 Q3 4,196 0 0 0.0
2024 Q2 3,773 0 0 0.0
2024 Q1 0 0 0
Show 95 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 3,117 0 0 0.0
2023 Q3 4,687 0 0 0.0
2023 Q2 3,602 2 0 555.2
2023 Q1 0 0 0
2022 Q4 2,064 0 0 0.0
2022 Q3 4,160 0 0 0.0
2022 Q2 3,781 0 0 0.0
2022 Q1 0 0 0
2021 Q4 2,050 1 1 487.8
2021 Q3 3,227 0 0 0.0
2021 Q2 4,094 0 0 0.0
2021 Q1 33 0 0 0.0
2020 Q4 2,999 3 0 1000.3
2020 Q3 4,781 0 0 0.0
2020 Q2 3,676 0 0 0.0
2020 Q1 0 0 0
2019 Q4 2,584 0 0 0.0
2019 Q3 3,896 2 0 513.3
2019 Q2 3,525 0 0 0.0
2019 Q1 0 0 0
2018 Q4 2,108 0 0 0.0
2018 Q3 3,773 0 0 0.0
2018 Q2 3,465 0 0 0.0
2018 Q1 0 0 0
2017 Q4 4,326 0 0 0.0
2017 Q3 5,425 3 3 553.0
2017 Q2 5,132 3 3 584.6
2017 Q1 732 0 0 0.0
2016 Q4 2,743 0 0 0.0
2016 Q3 4,701 1 1 212.7
2016 Q2 4,168 0 0 0.0
2016 Q1 745 0 0 0.0
2015 Q4 3,462 0 0 0.0
2015 Q3 5,190 0 0 0.0
2015 Q2 4,336 0 0 0.0
2015 Q1 782 0 0 0.0
2014 Q4 1,381 0 0 0.0
2014 Q3 3,517 4 2 1137.3
2014 Q2 3,052 0 0 0.0
2014 Q1 900 0 0 0.0
2013 Q4 1,994 0 0 0.0
2013 Q3 3,326 0 0 0.0
2013 Q2 2,825 0 0 0.0
2013 Q1 0 0 0
2012 Q4 1,976 0 0 0.0
2012 Q3 4,876 1 1 205.1
2012 Q2 3,070 0 0 0.0
2012 Q1 2,268 5 1 2204.6
2011 Q4 1,801 0 0 0.0
2011 Q3 4,707 2 0 424.9
2011 Q2 2,593 0 0 0.0
2011 Q1 0 0 0
2010 Q4 1,712 0 0 0.0
2010 Q3 4,272 0 0 0.0
2010 Q2 4,965 0 0 0.0
2010 Q1 0 0 0
2009 Q4 205 2 1 9756.1
2009 Q3 1,932 0 0 0.0
2009 Q2 2,221 0 0 0.0
2009 Q1 0 0 0
2008 Q4 1,083 1 0 923.4
2008 Q3 893 0 0 0.0
2008 Q2 2,706 0 0 0.0
2008 Q1 1,668 0 0 0.0
2007 Q4 3,130 2 0 639.0
2007 Q3 2,992 0 0 0.0
2007 Q2 3,019 0 0 0.0
2007 Q1 1,294 0 0 0.0
2006 Q4 2,437 0 0 0.0
2006 Q3 4,716 0 0 0.0
2006 Q2 2,635 0 0 0.0
2006 Q1 517 0 0 0.0
2005 Q4 3,386 1 0 295.3
2005 Q3 4,205 0 0 0.0
2005 Q2 3,975 0 0 0.0
2005 Q1 0 0 0
2004 Q4 3,022 0 0 0.0
2004 Q3 3,530 2 1 566.6
2004 Q2 3,027 0 0 0.0
2003 Q4 2,884 0 0 0.0
2003 Q3 4,256 0 0 0.0
2003 Q2 0 0 0
2003 Q1 0 0 0
2002 Q4 1,421 0 0 0.0
2002 Q3 3,811 0 0 0.0
2002 Q2 2,385 0 0 0.0
2002 Q1 433 0 0 0.0
2001 Q4 1,366 0 0 0.0
2001 Q3 2,914 0 0 0.0
2001 Q2 3,530 4 3 1133.1
2001 Q1 602 0 0 0.0
2000 Q4 1,885 0 0 0.0
2000 Q3 5,375 0 0 0.0
2000 Q2 4,638 0 0 0.0
2000 Q1 235 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

7 on file

2016 · 1 incident

April 29, 2016 ND · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDTOOLS (NONPOWERED)
Strata Corporation · Caught in, under or between (Not Elsewhere Classified)

Prying with a Pry bar. Bar slipped and smashed finger between hopper and conveyor.

2012 · 1 incident

September 9, 2012 ND · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor SLIP OR FALL OF PERSON
Strata Corporation · Struck by falling object

Preparing plant for a move, while taking the stairs off of the generator set, he lost his balance and stairs flipped over on him.

2005 · 1 incident

August 17, 2005 ND · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Strata Corporation · Struck by flying object

Changing conveyor belt on a crusher. A piece of belting flew back and hit him above the right eyebrow.

2000 · 2 incidents

November 8, 2000 ND · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Strata Corporation · Caught in, under or between (Not Elsewhere Classified)

FOLDING DOWN PORTABLE LIGHT PLANT HE PINCHED HISRIGHT MIDDLE FINGER PULLING THE CORD (SEVEN STITCHES).

October 10, 2000 ND · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDTOOLS (NONPOWERED)
Strata Corporation · Struck by... (Not Elsewhere Classified)

CHANGING BELT ON SCREEN PLANT, KNIFE SLIPPED ANDCUT SMALL FINGER RIGHT HAND, 6 STITCHES.

1994 · 1 incident

July 20, 1994 ND · Metal/Non-Metal ledgeman/hand, quarry man POWERED HAULAGE
Strata Corporation · Struck against a moving object

LOW BACK INJURY, SPRAIN AGGREVATED BY CONTINUOUS LOADER OPERATION SEAT VIBRATION.

1992 · 1 incident

August 27, 1992 ND · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer FALLING/SLIDING/ROLLING MATERIALS
Strata Corporation · Caught in, under or between collapsing material or buildings

95450MOVING MATERIAL WITH A D-8N. SPOTTED AND DISMOUNTED MACHINE ON RIGHT SIDE(BANK). BANK COLLAPSED AND TRAPPED INDV BETWEEN BANK AND LEFT ARM OF BLADE. INDV DUG OUT AND SOUGHT HELP. BROKEN 35630LEG,PIN INSERTED.

For insurers, brokers, and safety consultants

The full compliance file on Portable Plant #2

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.

Get the report ($149) See a sample report Monitor a whole book of operators, $99/mo