Mining Incidents

Dog Lake Quarry Metal/Non-Metal

Perma Stone Inc · Surface
Hot Springs, Lake County, MT  ·  Active
MSHA Mine ID: 2402508

Dog Lake Quarry has $4K 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 2008
40
citations
7
significant & substantial
$4,319
proposed penalties
$4,319
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2008
38
inspections on record
408
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: 408 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Dog Lake Quarry has $4K 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.
$4K
proposed penalties
$4K
current assessed
$4K
paid to date
$0
outstanding
37 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2025-07-30.
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 1,067 0 0 0.0
2025 Q3 1,610 5 1 3105.6
2025 Q2 1,195 0 0 0.0
2025 Q1 788 0 0 0.0
2024 Q4 1,273 2 1 1571.1
2024 Q3 630 0 0 0.0
2024 Q2 780 0 0 0.0
2024 Q1 765 0 0 0.0
Show 61 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 360 0 0 0.0
2023 Q3 2,051 0 0 0.0
2023 Q2 2,025 0 0 0.0
2023 Q1 1,950 0 0 0.0
2022 Q4 1,620 0 0 0.0
2022 Q3 1,407 0 0 0.0
2022 Q2 1,375 0 0 0.0
2022 Q1 1,830 0 0 0.0
2021 Q4 508 1 0 1968.5
2021 Q3 520 0 0 0.0
2021 Q2 490 3 0 6122.4
2021 Q1 80 0 0 0.0
2020 Q4 420 0 0 0.0
2020 Q3 1,560 0 0 0.0
2020 Q1 1,080 0 0 0.0
2019 Q4 960 1 0 1041.7
2019 Q3 1,200 0 0 0.0
2019 Q2 960 1 0 1041.7
2019 Q1 960 0 0 0.0
2018 Q4 960 3 1 3125.0
2018 Q3 960 0 0 0.0
2018 Q2 960 0 0 0.0
2018 Q1 1,008 3 1 2976.2
2017 Q4 832 0 0 0.0
2017 Q3 896 0 0 0.0
2017 Q2 922 0 0 0.0
2017 Q1 835 1 0 1197.6
2016 Q4 1,021 0 0 0.0
2016 Q2 1,232 2 0 1623.4
2016 Q1 796 0 0 0.0
2015 Q4 734 0 0 0.0
2015 Q3 1,039 0 0 0.0
2015 Q2 1,136 0 0 0.0
2015 Q1 914 0 0 0.0
2014 Q4 798 0 0 0.0
2014 Q3 1,189 0 0 0.0
2014 Q2 709 0 0 0.0
2014 Q1 731 0 0 0.0
2013 Q4 1,271 0 0 0.0
2013 Q3 1,438 0 0 0.0
2013 Q2 1,098 1 0 910.7
2013 Q1 945 0 0 0.0
2012 Q4 248 0 0 0.0
2012 Q3 191 1 0 5235.6
2012 Q2 278 0 0 0.0
2012 Q1 59 0 0 0.0
2011 Q4 409 0 0 0.0
2011 Q3 225 1 0 4444.4
2011 Q2 315 1 0 3174.6
2011 Q1 70 0 0 0.0
2010 Q4 50 0 0 0.0
2010 Q3 0 0 0
2010 Q2 105 1 0 9523.8
2010 Q1 142 0 0 0.0
2009 Q4 170 0 0 0.0
2009 Q3 77 2 0 25974.0
2009 Q2 80 0 0 0.0
2009 Q1 30 0 0 0.0
2008 Q4 489 0 0 0.0
2008 Q3 255 10 3 39215.7
2008 Q2 42 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 Dog Lake 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.