Portable Crusher #1 Metal/Non-Metal
Northern Plains LLC
· Surface
Controlled by
Doug Osborn
Winner,
Mellette County,
SD
·
Intermittent
MSHA Mine ID: 3901616
Portable Crusher #1 has $8K 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 2016
35
citations
8
significant & substantial
$8,321
proposed penalties
$8,321
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2016
17
inspections on record
179
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: 179 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 Crusher #1 has $8K 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.$8K
proposed penalties
$8K
current assessed
$8K
paid to date
$0
outstanding
35 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2023-05-03.
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 | 57 | 0 | 0 | 0.0 |
| 2025 Q3 | 0 | 0 | 0 | |
| 2025 Q2 | 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 28 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2023 Q4 | 0 | 0 | 0 | |
| 2023 Q3 | 0 | 0 | 0 | |
| 2023 Q2 | 966 | 17 | 3 | 17598.3 |
| 2023 Q1 | 0 | 0 | 0 | |
| 2022 Q4 | 0 | 0 | 0 | |
| 2022 Q3 | 312 | 2 | 1 | 6410.3 |
| 2022 Q2 | 156 | 0 | 0 | 0.0 |
| 2022 Q1 | 0 | 0 | 0 | |
| 2021 Q4 | 0 | 0 | 0 | |
| 2021 Q3 | 0 | 0 | 0 | |
| 2021 Q2 | 298 | 0 | 0 | 0.0 |
| 2021 Q1 | 0 | 0 | 0 | |
| 2020 Q4 | 124 | 1 | 1 | 8064.5 |
| 2020 Q3 | 48 | 0 | 0 | 0.0 |
| 2020 Q2 | 414 | 1 | 1 | 2415.5 |
| 2020 Q1 | 179 | 0 | 0 | 0.0 |
| 2019 Q4 | 449 | 1 | 0 | 2227.2 |
| 2019 Q3 | 501 | 0 | 0 | 0.0 |
| 2019 Q2 | 259 | 0 | 0 | 0.0 |
| 2019 Q1 | 643 | 0 | 0 | 0.0 |
| 2018 Q4 | 331 | 0 | 0 | 0.0 |
| 2018 Q3 | 286 | 1 | 0 | 3496.5 |
| 2018 Q2 | 8 | 5 | 1 | 625000.0 |
| 2018 Q1 | 0 | 0 | 0 | |
| 2017 Q4 | 0 | 2 | 0 | |
| 2017 Q3 | 40 | 0 | 0 | 0.0 |
| 2017 Q2 | 246 | 0 | 0 | 0.0 |
| 2016 Q2 | 27 | 4 | 1 | 148148.1 |
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 Crusher #1
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.