Quarter Circle One Metal/Non-Metal
Titan Inc
· Surface
Controlled by
Lukas R Clark
Ennis,
Madison County,
MT
·
Intermittent
MSHA Mine ID: 2402436
Quarter Circle One has $1K 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 2006
12
citations
0
significant & substantial
$1,356
proposed penalties
$1,356
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2006
14
inspections on record
144
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: 144 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Quarter Circle One has $1K 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.$1K
proposed penalties
$1K
current assessed
$1K
paid to date
$0
outstanding
12 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2026-03-25.
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 | 87 | 0 | 0 | 0.0 |
| 2025 Q3 | 234 | 0 | 0 | 0.0 |
| 2025 Q2 | 164 | 1 | 0 | 6097.6 |
| 2025 Q1 | 51 | 0 | 0 | 0.0 |
| 2024 Q4 | 56 | 0 | 0 | 0.0 |
| 2024 Q3 | 121 | 2 | 0 | 16528.9 |
| 2024 Q2 | 97 | 0 | 0 | 0.0 |
| 2024 Q1 | 1 | 0 | 0 | 0.0 |
Show 68 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2023 Q4 | 37 | 0 | 0 | 0.0 |
| 2023 Q3 | 87 | 0 | 0 | 0.0 |
| 2023 Q2 | 85 | 0 | 0 | 0.0 |
| 2023 Q1 | 1 | 0 | 0 | 0.0 |
| 2022 Q4 | 22 | 0 | 0 | 0.0 |
| 2022 Q3 | 40 | 0 | 0 | 0.0 |
| 2022 Q2 | 56 | 0 | 0 | 0.0 |
| 2022 Q1 | 1 | 0 | 0 | 0.0 |
| 2021 Q3 | 61 | 0 | 0 | 0.0 |
| 2021 Q2 | 24 | 0 | 0 | 0.0 |
| 2021 Q1 | 6 | 0 | 0 | 0.0 |
| 2020 Q4 | 40 | 0 | 0 | 0.0 |
| 2020 Q3 | 55 | 0 | 0 | 0.0 |
| 2020 Q2 | 83 | 0 | 0 | 0.0 |
| 2020 Q1 | 6 | 0 | 0 | 0.0 |
| 2019 Q4 | 16 | 0 | 0 | 0.0 |
| 2019 Q3 | 20 | 0 | 0 | 0.0 |
| 2019 Q2 | 64 | 0 | 0 | 0.0 |
| 2019 Q1 | 0 | 0 | 0 | |
| 2018 Q4 | 23 | 0 | 0 | 0.0 |
| 2018 Q3 | 40 | 0 | 0 | 0.0 |
| 2018 Q2 | 104 | 0 | 0 | 0.0 |
| 2018 Q1 | 0 | 0 | 0 | |
| 2017 Q4 | 54 | 0 | 0 | 0.0 |
| 2017 Q3 | 60 | 0 | 0 | 0.0 |
| 2017 Q2 | 31 | 0 | 0 | 0.0 |
| 2017 Q1 | 0 | 0 | 0 | |
| 2016 Q4 | 98 | 0 | 0 | 0.0 |
| 2016 Q3 | 157 | 0 | 0 | 0.0 |
| 2016 Q2 | 132 | 0 | 0 | 0.0 |
| 2016 Q1 | 0 | 0 | 0 | |
| 2015 Q4 | 1 | 0 | 0 | 0.0 |
| 2015 Q1 | 1 | 0 | 0 | 0.0 |
| 2014 Q4 | 315 | 0 | 0 | 0.0 |
| 2014 Q3 | 208 | 0 | 0 | 0.0 |
| 2014 Q1 | 1 | 0 | 0 | 0.0 |
| 2013 Q4 | 85 | 0 | 0 | 0.0 |
| 2013 Q3 | 70 | 0 | 0 | 0.0 |
| 2013 Q2 | 1 | 0 | 0 | 0.0 |
| 2013 Q1 | 1 | 0 | 0 | 0.0 |
| 2012 Q4 | 159 | 0 | 0 | 0.0 |
| 2012 Q3 | 84 | 0 | 0 | 0.0 |
| 2012 Q2 | 1 | 0 | 0 | 0.0 |
| 2012 Q1 | 1 | 0 | 0 | 0.0 |
| 2011 Q4 | 45 | 0 | 0 | 0.0 |
| 2011 Q3 | 1 | 0 | 0 | 0.0 |
| 2011 Q2 | 101 | 0 | 0 | 0.0 |
| 2011 Q1 | 1 | 0 | 0 | 0.0 |
| 2010 Q4 | 213 | 0 | 0 | 0.0 |
| 2010 Q3 | 398 | 2 | 0 | 5025.1 |
| 2010 Q2 | 1 | 0 | 0 | 0.0 |
| 2010 Q1 | 0 | 0 | 0 | |
| 2009 Q4 | 144 | 0 | 0 | 0.0 |
| 2009 Q3 | 1,004 | 5 | 0 | 4980.1 |
| 2009 Q2 | 254 | 0 | 0 | 0.0 |
| 2009 Q1 | 0 | 0 | 0 | |
| 2008 Q4 | 125 | 0 | 0 | 0.0 |
| 2008 Q3 | 817 | 0 | 0 | 0.0 |
| 2008 Q2 | 516 | 0 | 0 | 0.0 |
| 2008 Q1 | 98 | 0 | 0 | 0.0 |
| 2007 Q4 | 1 | 0 | 0 | 0.0 |
| 2007 Q3 | 1 | 0 | 0 | 0.0 |
| 2007 Q2 | 307 | 0 | 0 | 0.0 |
| 2007 Q1 | 32 | 0 | 0 | 0.0 |
| 2006 Q4 | 1 | 0 | 0 | 0.0 |
| 2006 Q3 | 157 | 0 | 0 | 0.0 |
| 2006 Q2 | 901 | 1 | 0 | 1109.9 |
| 2006 Q1 | 86 | 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 Quarter Circle One
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.