Mining Incidents

Plant #21 Metal/Non-Metal

Controlled by M10 Inc
Brownsville, Dodge County, WI  ·  Intermittent
MSHA Mine ID: 4703773

Plant #21 has $1K 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
0
Years on record
Latest incident
Compliance record
MSHA citations since 2020
8
citations
1
significant & substantial
$1,209
proposed penalties
$1,209
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
13
inspections on record
104
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: 104 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Plant #21 has $1K 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.
$1K
proposed penalties
$1K
current assessed
$1K
paid to date
$0
outstanding
8 assessments are final orders; 2 contested dockets.
As of the most recent assessment on 2026-04-02.
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 1,406 0 0 0.0
2025 Q3 1,577 0 0 0.0
2025 Q2 1,518 0 0 0.0
2025 Q1 358 0 0 0.0
2024 Q4 976 0 0 0.0
2024 Q3 1,410 0 0 0.0
2024 Q2 1,419 0 0 0.0
2024 Q1 573 0 0 0.0
Show 33 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 973 0 0 0.0
2023 Q3 1,398 0 0 0.0
2023 Q2 1,722 0 0 0.0
2023 Q1 0 0 0
2022 Q4 1,006 4 0 3976.1
2022 Q3 1,607 0 0 0.0
2022 Q2 1,596 1 0 626.6
2022 Q1 0 0 0
2021 Q4 1,182 0 0 0.0
2021 Q3 1,788 0 0 0.0
2021 Q2 1,674 0 0 0.0
2021 Q1 143 0 0 0.0
2020 Q4 1,454 0 0 0.0
2020 Q3 1,599 0 0 0.0
2020 Q2 1,568 1 1 637.8
2020 Q1 0 0 0
2019 Q4 923 0 0 0.0
2019 Q3 0 0 0
2019 Q2 271 0 0 0.0
2019 Q1 28 0 0 0.0
2018 Q4 0 0 0
2018 Q3 0 0 0
2018 Q2 55 0 0 0.0
2018 Q1 0 0 0
2017 Q4 0 0 0
2017 Q3 203 0 0 0.0
2017 Q2 0 0 0
2017 Q1 0 0 0
2016 Q4 0 0 0
2016 Q3 0 0 0
2016 Q2 0 0 0
2016 Q1 0 0 0
2015 Q4 100 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 Plant #21

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.