Portable Plant #8 Metal/Non-Metal
Strata Corp
· Surface
Controlled by
Knife River Corporation
Grand Forks,
Eddy County,
ND
·
Intermittent
MSHA Mine ID: 3200594
Portable Plant #8 has $706 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
- 0
- Years on record
- —
- Latest incident
- —
Compliance record
MSHA citations since 2017
4
citations
1
significant & substantial
$706
proposed penalties
$706
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2013
13
inspections on record
156
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: 156 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 #8 has $706 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.$706
proposed penalties
$706
current assessed
$706
paid to date
$0
outstanding
4 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2021-05-25.
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 | 0 | 0 | 0 | |
| 2025 Q3 | 0 | 0 | 0 | |
| 2025 Q2 | 393 | 0 | 0 | 0.0 |
| 2025 Q1 | 0 | 0 | 0 | |
| 2024 Q4 | 0 | 0 | 0 | |
| 2024 Q3 | 0 | 0 | 0 | |
| 2024 Q2 | 0 | 0 | 0 | |
| 2024 Q1 | 0 | 0 | 0 |
Show 44 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2023 Q4 | 0 | 0 | 0 | |
| 2023 Q3 | 1,139 | 0 | 0 | 0.0 |
| 2023 Q2 | 240 | 0 | 0 | 0.0 |
| 2023 Q1 | 0 | 0 | 0 | |
| 2022 Q4 | 333 | 0 | 0 | 0.0 |
| 2022 Q3 | 260 | 0 | 0 | 0.0 |
| 2022 Q2 | 0 | 0 | 0 | |
| 2022 Q1 | 0 | 0 | 0 | |
| 2021 Q4 | 319 | 0 | 0 | 0.0 |
| 2021 Q3 | 431 | 0 | 0 | 0.0 |
| 2021 Q2 | 424 | 1 | 0 | 2358.5 |
| 2021 Q1 | 0 | 0 | 0 | |
| 2020 Q4 | 0 | 0 | 0 | |
| 2020 Q3 | 218 | 0 | 0 | 0.0 |
| 2020 Q2 | 394 | 0 | 0 | 0.0 |
| 2020 Q1 | 0 | 0 | 0 | |
| 2019 Q4 | 0 | 0 | 0 | |
| 2019 Q3 | 369 | 2 | 1 | 5420.1 |
| 2019 Q2 | 528 | 0 | 0 | 0.0 |
| 2019 Q1 | 0 | 0 | 0 | |
| 2018 Q4 | 0 | 0 | 0 | |
| 2018 Q3 | 749 | 0 | 0 | 0.0 |
| 2018 Q2 | 1,270 | 0 | 0 | 0.0 |
| 2018 Q1 | 0 | 0 | 0 | |
| 2017 Q4 | 0 | 0 | 0 | |
| 2017 Q3 | 1,288 | 0 | 0 | 0.0 |
| 2017 Q2 | 798 | 1 | 0 | 1253.1 |
| 2017 Q1 | 0 | 0 | 0 | |
| 2016 Q4 | 464 | 0 | 0 | 0.0 |
| 2016 Q3 | 264 | 0 | 0 | 0.0 |
| 2016 Q2 | 160 | 0 | 0 | 0.0 |
| 2016 Q1 | 0 | 0 | 0 | |
| 2015 Q4 | 0 | 0 | 0 | |
| 2015 Q3 | 0 | 0 | 0 | |
| 2015 Q2 | 180 | 0 | 0 | 0.0 |
| 2014 Q3 | 704 | 0 | 0 | 0.0 |
| 2014 Q2 | 614 | 0 | 0 | 0.0 |
| 2014 Q1 | 1,029 | 0 | 0 | 0.0 |
| 2013 Q4 | 1,526 | 0 | 0 | 0.0 |
| 2013 Q3 | 3,229 | 0 | 0 | 0.0 |
| 2013 Q2 | 1,693 | 0 | 0 | 0.0 |
| 2013 Q1 | 0 | 0 | 0 | |
| 2012 Q4 | 0 | 0 | 0 | |
| 2012 Q3 | 885 | 0 | 0 | 0.0 |
No reportable incidents on file.
MSHA has no recorded reportable accidents for this mine in the current dataset. New reports appear here within a week of being filed.
For insurers, brokers, and safety consultants
The full compliance file on Portable Plant #8
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.