Mining Incidents

Portable Plant 2 Metal/Non-Metal

Controlled by Mitchel H King
Hatley, WI, Marathon County, WI  ·  Intermittent
MSHA Mine ID: 4703765

Portable Plant 2 has $2K 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 2015
20
citations
3
significant & substantial
$2,248
proposed penalties
$2,248
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2015
17
inspections on record
177
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: 177 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 $2K 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.
$2K
proposed penalties
$2K
current assessed
$2K
paid to date
$0
outstanding
19 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2022-09-07.
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 161 0 0 0.0
2025 Q2 0 0 0
2024 Q4 121 0 0 0.0
2024 Q3 201 0 0 0.0
2024 Q2 0 0 0
2024 Q1 0 0 0
2023 Q4 1,576 0 0 0.0
2023 Q3 801 0 0 0.0
Show 29 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q1 0 0 0
2022 Q4 601 0 0 0.0
2022 Q3 801 1 0 1248.4
2022 Q2 402 0 0 0.0
2021 Q4 1,201 0 0 0.0
2021 Q3 1,901 0 0 0.0
2021 Q2 1,501 4 1 2664.9
2021 Q1 0 0 0
2020 Q4 721 0 0 0.0
2020 Q3 1,552 0 0 0.0
2020 Q2 1,251 3 0 2398.1
2020 Q1 1 0 0 0.0
2019 Q4 551 0 0 0.0
2019 Q3 1,425 0 0 0.0
2019 Q2 1,501 0 0 0.0
2019 Q1 1 0 0 0.0
2018 Q4 901 3 1 3329.6
2018 Q3 1,205 0 0 0.0
2018 Q2 1,400 0 0 0.0
2018 Q1 301 0 0 0.0
2017 Q4 1,682 1 0 594.5
2017 Q3 1,516 2 0 1319.3
2017 Q2 950 0 0 0.0
2017 Q1 2 0 0 0.0
2016 Q4 1,102 0 0 0.0
2016 Q3 932 3 0 3218.9
2016 Q2 960 0 0 0.0
2015 Q4 575 0 0 0.0
2015 Q3 930 2 0 2150.5

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 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.