Strata Corp · Caught in, under or between running or meshing objects
Employee had EE's arm amputated between EE's elbow and wrist.
Portable Plant #6 Metal/Non-Metal
Strata Corp
· Surface
Controlled by
Knife River Corporation
Grand Forks,
Grand Forks County,
ND
·
Intermittent
MSHA Mine ID: 3200140
Portable Plant #6 has $19K in proposed MSHA penalties and $0 outstanding across 3 contested dockets, plus health sampling and the full incident record.
Watch this mine
Email me when a new MSHA incident is filed at Portable Plant #6.
- Fatalities
- 0
- Total incidents
- 4
- Years on record
- 2000–2022
- Latest incident
- Jul 2022
Compliance record
MSHA citations since 2000
40
citations
7
significant & substantial
$18,869
proposed penalties
$16,356
paid to date
87% of proposed penalties paid to date, a $2,513 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
29
inspections on record
409
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: 409 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 #6 has $19K in proposed MSHA penalties and $0 outstanding across 3 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.$19K
proposed penalties
$16K
current assessed
$16K
paid to date
$0
outstanding
39 assessments are final orders; 3 contested dockets.
As of the most recent assessment on 2025-06-02.
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 | 1 | 0 | 0 | 0.0 |
| 2025 Q3 | 5,440 | 0 | 0 | 0.0 |
| 2025 Q2 | 2,126 | 1 | 0 | 470.4 |
| 2025 Q1 | 0 | 0 | 0 | |
| 2024 Q4 | 1,920 | 0 | 0 | 0.0 |
| 2024 Q3 | 3,982 | 0 | 0 | 0.0 |
| 2024 Q2 | 3,885 | 2 | 1 | 514.8 |
| 2024 Q1 | 592 | 0 | 0 | 0.0 |
Show 51 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2023 Q4 | 1,370 | 0 | 0 | 0.0 |
| 2023 Q3 | 3,704 | 0 | 0 | 0.0 |
| 2023 Q2 | 3,423 | 0 | 0 | 0.0 |
| 2023 Q1 | 0 | 0 | 0 | |
| 2022 Q4 | 2,439 | 0 | 0 | 0.0 |
| 2022 Q3 | 3,502 | 6 | 3 | 1713.3 |
| 2022 Q2 | 3,597 | 0 | 0 | 0.0 |
| 2022 Q1 | 0 | 0 | 0 | |
| 2021 Q4 | 1,984 | 2 | 0 | 1008.1 |
| 2021 Q3 | 4,544 | 7 | 2 | 1540.5 |
| 2021 Q2 | 576 | 0 | 0 | 0.0 |
| 2021 Q1 | 0 | 0 | 0 | |
| 2020 Q4 | 1,301 | 0 | 0 | 0.0 |
| 2020 Q3 | 3,164 | 9 | 0 | 2844.5 |
| 2020 Q2 | 3,134 | 0 | 0 | 0.0 |
| 2020 Q1 | 0 | 0 | 0 | |
| 2019 Q4 | 3,727 | 0 | 0 | 0.0 |
| 2019 Q3 | 3,485 | 3 | 0 | 860.8 |
| 2019 Q2 | 3,279 | 0 | 0 | 0.0 |
| 2019 Q1 | 0 | 0 | 0 | |
| 2018 Q4 | 2,222 | 0 | 0 | 0.0 |
| 2018 Q3 | 2,903 | 0 | 0 | 0.0 |
| 2018 Q2 | 3,209 | 2 | 0 | 623.2 |
| 2018 Q1 | 0 | 0 | 0 | |
| 2017 Q4 | 3,218 | 0 | 0 | 0.0 |
| 2017 Q3 | 3,503 | 0 | 0 | 0.0 |
| 2017 Q2 | 2,158 | 2 | 0 | 926.8 |
| 2017 Q1 | 866 | 0 | 0 | 0.0 |
| 2016 Q4 | 853 | 0 | 0 | 0.0 |
| 2016 Q3 | 3,697 | 1 | 0 | 270.5 |
| 2016 Q2 | 2,776 | 0 | 0 | 0.0 |
| 2016 Q1 | 1,414 | 0 | 0 | 0.0 |
| 2015 Q4 | 3,545 | 0 | 0 | 0.0 |
| 2015 Q3 | 3,668 | 0 | 0 | 0.0 |
| 2015 Q2 | 2,831 | 1 | 0 | 353.2 |
| 2015 Q1 | 926 | 0 | 0 | 0.0 |
| 2014 Q4 | 1,368 | 0 | 0 | 0.0 |
| 2014 Q3 | 1,626 | 0 | 0 | 0.0 |
| 2014 Q2 | 1,368 | 0 | 0 | 0.0 |
| 2014 Q1 | 890 | 2 | 0 | 2247.2 |
| 2013 Q4 | 3,323 | 0 | 0 | 0.0 |
| 2013 Q3 | 3,271 | 0 | 0 | 0.0 |
| 2013 Q2 | 3,012 | 0 | 0 | 0.0 |
| 2013 Q1 | 0 | 0 | 0 | |
| 2012 Q4 | 4,647 | 0 | 0 | 0.0 |
| 2012 Q3 | 2,589 | 0 | 0 | 0.0 |
| 2001 Q1 | 0 | 0 | 0 | |
| 2000 Q4 | 4,195 | 1 | 1 | 238.4 |
| 2000 Q3 | 5,534 | 0 | 0 | 0.0 |
| 2000 Q2 | 5,054 | 1 | 0 | 197.9 |
| 2000 Q1 | 905 | 0 | 0 | 0.0 |
No fatalities recorded at this mine.
Reportable incidents
4 on file2022 · 1 incident
2019 · 1 incident
May 8, 2019
ND · Metal/Non-Metal
crusher attendant/operator, pan feeder operator/worker
SLIP OR FALL OF PERSON
Strata Corp · Fall from machine
Employee was preforming maintenance tasks on the cone while plant was shut down when ee lost footing on the cone discharge. EE fell from approximately 4 feet high onto shoulder. EE has had shoulder problems in the past and it does become easily dislocated. EE shoulder was in fact dislocated and ee was taken to Medical Center for treatment.
2000 · 2 incidents
Strata Corp · Fall from scaffolds, walkways, platforms
ON A LADDER INSTALLING BOLTS ON A CATWALK. CATWALK WAS BEING FABRICATED FOR A NEW CRUSHER LADDER WAS NOT STABLE, AND EE FELL, INJURING SIDE.
Strata Corp · Caught in, under or between (Not Elsewhere Classified)
MOVING A TABLE IN THE SHOP. PINCHED SMALL FINGER BETWEEN TABLE AND PIECE OF IRON, STITCHES REQUIRED.
For insurers, brokers, and safety consultants
The full compliance file on Portable Plant #6
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.