Mining Incidents

Madison Slate Quarry Metal/Non-Metal

Lewistown, Fergus County, MT  ·  Intermittent
MSHA Mine ID: 2402605

Madison Slate Quarry has $2K in proposed MSHA penalties and $2K outstanding across 1 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
1
Years on record
2021
Latest incident
Dec 2021
Compliance record
MSHA citations since 2011
20
citations
4
significant & substantial
$1,887
proposed penalties
$0
paid to date
0% of proposed penalties paid to date, a $1,887 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2011
11
inspections on record
137
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: 137 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Madison Slate Quarry has $2K in proposed MSHA penalties and $2K outstanding across 1 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
$0
paid to date
$2K
outstanding
14 assessments are final orders; 1 contested dockets.
As of the most recent assessment on 2011-09-12.
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 128 0 0 0.0
2025 Q3 64 0 0 0.0
2025 Q2 15 0 0 0.0
2025 Q1 0 0 0
2024 Q4 0 0 0
2024 Q3 17 0 0 0.0
2024 Q2 0 0 0
2024 Q1 0 0 0
Show 36 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 77 0 0 0.0
2023 Q3 605 0 0 0.0
2023 Q2 576 0 0 0.0
2023 Q1 146 0 0 0.0
2022 Q4 22 0 0 0.0
2022 Q3 440 0 0 0.0
2022 Q2 754 0 0 0.0
2022 Q1 353 0 0 0.0
2021 Q4 425 0 0 0.0
2021 Q3 896 0 0 0.0
2021 Q2 1,049 0 0 0.0
2020 Q4 9 0 0 0.0
2020 Q3 9 0 0 0.0
2020 Q2 20 0 0 0.0
2020 Q1 20 0 0 0.0
2019 Q4 20 0 0 0.0
2019 Q1 30 0 0 0.0
2018 Q4 20 0 0 0.0
2018 Q3 20 0 0 0.0
2018 Q2 4 0 0 0.0
2018 Q1 4 0 0 0.0
2017 Q4 4 0 0 0.0
2017 Q2 5 0 0 0.0
2017 Q1 12 0 0 0.0
2016 Q4 5 0 0 0.0
2016 Q3 12 0 0 0.0
2016 Q2 12 0 0 0.0
2016 Q1 12 0 0 0.0
2015 Q4 10 0 0 0.0
2015 Q3 95 0 0 0.0
2015 Q2 44 0 0 0.0
2015 Q1 20 0 0 0.0
2014 Q4 8 0 0 0.0
2014 Q3 9 0 0 0.0
2013 Q3 0 0 0
2011 Q3 20 14 4 700000.0
No fatalities recorded at this mine.

Reportable incidents

1 on file

2021 · 1 incident

December 2, 2021 MT · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
Ironside Stone Works, Inc. · Struck by flying object

Employee was recovering/palletizing stone. At one point during that time employee removed safety glasses. Employee had a small rock fragment become lodged in eye while using a hammer recovering stone. Employee was brought to a medical facility after failing to remove on own. Examiner diagnosis was a lacerated cornea & was told not to go back to work until 12/06/21.

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The full compliance file on Madison Slate Quarry

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.