O'Brien Pit Metal/Non-Metal
RMR Aggregate Inc
· Surface
Controlled by
Raymond T O'Brien
Conrad,
Pondera County,
MT
·
Intermittent
MSHA Mine ID: 2402219
O'Brien Pit has $5K 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 2002
48
citations
4
significant & substantial
$5,004
proposed penalties
$5,004
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2002
33
inspections on record
355
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: 355 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
O'Brien Pit has $5K 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.$5K
proposed penalties
$5K
current assessed
$5K
paid to date
$0
outstanding
48 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2025-08-06.
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 | 220 | 0 | 0 | 0.0 |
| 2025 Q3 | 200 | 3 | 0 | 15000.0 |
| 2024 Q4 | 160 | 0 | 0 | 0.0 |
| 2024 Q3 | 480 | 0 | 0 | 0.0 |
| 2024 Q2 | 240 | 0 | 0 | 0.0 |
| 2024 Q1 | 0 | 0 | 0 | |
| 2023 Q4 | 320 | 0 | 0 | 0.0 |
| 2023 Q3 | 740 | 0 | 0 | 0.0 |
Show 84 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2023 Q2 | 420 | 2 | 0 | 4761.9 |
| 2022 Q3 | 650 | 0 | 0 | 0.0 |
| 2022 Q2 | 480 | 0 | 0 | 0.0 |
| 2022 Q1 | 115 | 1 | 0 | 8695.7 |
| 2021 Q4 | 40 | 0 | 0 | 0.0 |
| 2021 Q3 | 360 | 0 | 0 | 0.0 |
| 2021 Q2 | 840 | 1 | 0 | 1190.5 |
| 2021 Q1 | 0 | 0 | 0 | |
| 2020 Q4 | 125 | 0 | 0 | 0.0 |
| 2020 Q3 | 365 | 3 | 0 | 8219.2 |
| 2020 Q2 | 820 | 0 | 0 | 0.0 |
| 2019 Q3 | 640 | 0 | 0 | 0.0 |
| 2019 Q2 | 420 | 1 | 1 | 2381.0 |
| 2019 Q1 | 0 | 0 | 0 | |
| 2018 Q4 | 80 | 0 | 0 | 0.0 |
| 2018 Q3 | 510 | 0 | 0 | 0.0 |
| 2018 Q2 | 480 | 2 | 0 | 4166.7 |
| 2018 Q1 | 40 | 1 | 0 | 25000.0 |
| 2017 Q4 | 610 | 0 | 0 | 0.0 |
| 2017 Q3 | 860 | 0 | 0 | 0.0 |
| 2017 Q2 | 1,240 | 0 | 0 | 0.0 |
| 2017 Q1 | 920 | 1 | 0 | 1087.0 |
| 2016 Q4 | 640 | 0 | 0 | 0.0 |
| 2016 Q3 | 1,060 | 0 | 0 | 0.0 |
| 2016 Q2 | 1,260 | 0 | 0 | 0.0 |
| 2016 Q1 | 0 | 0 | 0 | |
| 2015 Q4 | 400 | 11 | 1 | 27500.0 |
| 2015 Q3 | 870 | 0 | 0 | 0.0 |
| 2015 Q2 | 920 | 0 | 0 | 0.0 |
| 2015 Q1 | 80 | 0 | 0 | 0.0 |
| 2014 Q4 | 480 | 4 | 1 | 8333.3 |
| 2014 Q3 | 1,240 | 0 | 0 | 0.0 |
| 2014 Q2 | 960 | 0 | 0 | 0.0 |
| 2014 Q1 | 0 | 0 | 0 | |
| 2013 Q4 | 310 | 0 | 0 | 0.0 |
| 2013 Q3 | 640 | 0 | 0 | 0.0 |
| 2013 Q2 | 1,440 | 1 | 0 | 694.4 |
| 2013 Q1 | 425 | 0 | 0 | 0.0 |
| 2012 Q4 | 560 | 0 | 0 | 0.0 |
| 2012 Q3 | 960 | 0 | 0 | 0.0 |
| 2012 Q2 | 1,080 | 0 | 0 | 0.0 |
| 2012 Q1 | 360 | 2 | 0 | 5555.6 |
| 2011 Q4 | 600 | 0 | 0 | 0.0 |
| 2011 Q3 | 1,480 | 0 | 0 | 0.0 |
| 2011 Q2 | 480 | 3 | 1 | 6250.0 |
| 2011 Q1 | 40 | 0 | 0 | 0.0 |
| 2010 Q4 | 80 | 0 | 0 | 0.0 |
| 2010 Q3 | 640 | 0 | 0 | 0.0 |
| 2010 Q2 | 720 | 0 | 0 | 0.0 |
| 2010 Q1 | 0 | 0 | 0 | |
| 2009 Q4 | 620 | 2 | 0 | 3225.8 |
| 2009 Q3 | 1,240 | 0 | 0 | 0.0 |
| 2009 Q2 | 800 | 0 | 0 | 0.0 |
| 2009 Q1 | 120 | 0 | 0 | 0.0 |
| 2008 Q4 | 110 | 4 | 0 | 36363.6 |
| 2008 Q3 | 785 | 0 | 0 | 0.0 |
| 2008 Q2 | 840 | 0 | 0 | 0.0 |
| 2008 Q1 | 320 | 0 | 0 | 0.0 |
| 2007 Q4 | 480 | 0 | 0 | 0.0 |
| 2007 Q3 | 876 | 0 | 0 | 0.0 |
| 2007 Q2 | 940 | 0 | 0 | 0.0 |
| 2007 Q1 | 760 | 0 | 0 | 0.0 |
| 2006 Q4 | 415 | 0 | 0 | 0.0 |
| 2006 Q3 | 576 | 0 | 0 | 0.0 |
| 2006 Q2 | 1,060 | 0 | 0 | 0.0 |
| 2006 Q1 | 345 | 0 | 0 | 0.0 |
| 2005 Q4 | 280 | 0 | 0 | 0.0 |
| 2005 Q3 | 585 | 0 | 0 | 0.0 |
| 2005 Q2 | 640 | 0 | 0 | 0.0 |
| 2005 Q1 | 140 | 0 | 0 | 0.0 |
| 2004 Q4 | 920 | 0 | 0 | 0.0 |
| 2004 Q3 | 1,170 | 0 | 0 | 0.0 |
| 2004 Q2 | 780 | 0 | 0 | 0.0 |
| 2004 Q1 | 400 | 0 | 0 | 0.0 |
| 2003 Q4 | 420 | 1 | 0 | 2381.0 |
| 2003 Q3 | 285 | 0 | 0 | 0.0 |
| 2003 Q2 | 320 | 0 | 0 | 0.0 |
| 2003 Q1 | 103 | 0 | 0 | 0.0 |
| 2002 Q4 | 60 | 4 | 0 | 66666.7 |
| 2002 Q3 | 124 | 1 | 0 | 8064.5 |
| 2002 Q2 | 128 | 0 | 0 | 0.0 |
| 2002 Q1 | 214 | 0 | 0 | 0.0 |
| 2001 Q4 | 25 | 0 | 0 | 0.0 |
| 2001 Q3 | 110 | 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 O'Brien Pit
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.