Mining Incidents

Star #1-2-3: 57 MSHA citations Metal/Non-Metal

Central Oregon Bentonite Company · Surface
Prineville, Crook County, OR  ·  Intermittent
MSHA Mine ID: 3503307

Star #1-2-3 has $9K 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 2003
57
citations
9
significant & substantial
$8,655
proposed penalties
$8,655
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
40
inspections on record
536
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: 536 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Star #1-2-3 has $9K 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.
$9K
proposed penalties
$9K
current assessed
$9K
paid to date
$0
outstanding
53 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2024-06-30.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Violation severity profile
Shares are computed over citations that carry the MSHA gravity and negligence coding; a small share of records are uncoded.
15.8%
significant & substantial
8.8%
high negligence or reckless
15.8%
reasonably likely or greater
70.2%
permanently disabling or fatal if injury occurs
Negligence coding: 0.0% none, 8.8% low, 82.5% moderate, 8.8% high, 0.0% reckless.
Source: MSHA violations gravity and negligence coding, updated weekly.
Health sampling
A sample is a point in time compliance measurement, not an individual exposure history. These figures describe MSHA sampling records and do not establish causation or personal dose.

Metal and nonmetal contaminants (personal samples)
Many samples are screening measurements of substances with no applicable exposure limit; they are counted as samples but excluded from every over-limit figure. Over-limit shares use only limit-tested samples.

Last sampled: 2021-10-14, 4 years ago
0%
of limit-tested samples over the exposure limit
2
samples
2
limit-tested
Most sampled contaminants
  • Quartz, respirable, >1% Qtz2
Show the individual readings (2)
Date Contaminant Concentration Limit Conc / limit Occupation
2021-10-14 Quartz, respirable, >1% Qtz 0.83 1.45 0.57 Backhoe Operator
2016-10-18 Quartz, respirable, >1% Qtz 1.47 1.53 0.96 Front-end Loader Operator
Source: MSHA respirable dust, quartz, and noise sampling records, updated weekly. Metal/nonmetal contaminant figures come from MSHA's Personal Health Samples and Area Samples files (public record), updated weekly.
Ownership history
  1. Central Oregon Bentonite Company 1988 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year Employees
2026 2
2025 3
2024 3
2023 2
2022 1
2021 1
2020 2
2019 3
2018 2
2017 3
2016 3
2015 3
2014 3
2013 3
2012 3
2011 3
2010 4
2009 5
2008 4
2007 4
2006 3
2005 3
2004 8
2003 8
2002 8
2001 8
2000 8
Source: MSHA quarterly employment and production, updated weekly.

Star #1-2-3 sits in Crook County, Oregon, where the Census mining category is 0.1% of county employment.

Local economic context
County figures come from the US Census Bureau's American Community Survey, 5-year pooled estimates, so the 2023 vintage covers 2019 through 2023. The Census category is 'mining, quarrying, and oil and gas extraction', which is broader than MSHA jurisdiction and includes oil and gas workers no mine employs. These figures describe the surrounding county, not this mine, and are not a factor in any specific incident.
Crook County, Oregon · Population 25,651
0.1%
Mining share of county employment
$81,675
Median household income
Source: US Census Bureau, American Community Survey 2023 5-year estimates.
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
2026 Q2 44 0 0 0.0
2026 Q1 0 0 0
2025 Q4 24 0 0 0.0
2025 Q3 59 0 0 0.0
2025 Q2 45 0 0 0.0
2025 Q1 0 0 0
2024 Q4 26 0 0 0.0
2024 Q3 33 0 0 0.0
Show 96 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2024 Q2 99 5 2 50505.1
2024 Q1 40 0 0 0.0
2023 Q4 14 0 0 0.0
2023 Q3 71 0 0 0.0
2023 Q2 67 3 0 44776.1
2023 Q1 43 0 0 0.0
2022 Q4 57 0 0 0.0
2022 Q3 70 0 0 0.0
2022 Q2 110 0 0 0.0
2022 Q1 36 0 0 0.0
2021 Q4 69 2 0 28985.5
2021 Q3 20 0 0 0.0
2021 Q2 84 1 0 11904.8
2021 Q1 155 0 0 0.0
2020 Q4 116 0 0 0.0
2020 Q3 158 0 0 0.0
2020 Q2 138 0 0 0.0
2020 Q1 232 0 0 0.0
2019 Q4 117 3 0 25641.0
2019 Q3 155 0 0 0.0
2019 Q2 167 0 0 0.0
2019 Q1 181 0 0 0.0
2018 Q4 178 4 0 22471.9
2018 Q3 211 0 0 0.0
2018 Q2 122 2 0 16393.4
2018 Q1 186 1 0 5376.3
2017 Q4 211 0 0 0.0
2017 Q3 217 0 0 0.0
2017 Q2 216 0 0 0.0
2017 Q1 207 1 0 4830.9
2016 Q4 253 4 0 15810.3
2016 Q3 510 0 0 0.0
2016 Q2 328 2 0 6097.6
2016 Q1 127 0 0 0.0
2015 Q4 170 0 0 0.0
2015 Q3 178 0 0 0.0
2015 Q2 171 0 0 0.0
2015 Q1 170 3 1 17647.1
2014 Q4 70 0 0 0.0
2014 Q3 122 0 0 0.0
2014 Q2 150 0 0 0.0
2014 Q1 116 0 0 0.0
2013 Q4 108 0 0 0.0
2013 Q3 140 0 0 0.0
2013 Q2 110 6 1 54545.5
2012 Q4 400 0 0 0.0
2012 Q3 320 0 0 0.0
2012 Q2 135 0 0 0.0
2012 Q1 190 0 0 0.0
2011 Q4 180 3 0 16666.7
2011 Q3 310 0 0 0.0
2011 Q2 180 0 0 0.0
2011 Q1 85 0 0 0.0
2010 Q4 155 9 4 58064.5
2010 Q3 140 0 0 0.0
2010 Q2 140 0 0 0.0
2010 Q1 108 0 0 0.0
2009 Q4 75 0 0 0.0
2009 Q3 71 0 0 0.0
2009 Q2 83 0 0 0.0
2009 Q1 72 0 0 0.0
2008 Q4 65 0 0 0.0
2008 Q3 172 2 0 11627.9
2008 Q2 88 0 0 0.0
2008 Q1 88 0 0 0.0
2007 Q4 88 0 0 0.0
2007 Q3 213 0 0 0.0
2007 Q2 188 0 0 0.0
2007 Q1 68 0 0 0.0
2006 Q4 68 0 0 0.0
2006 Q3 68 1 0 14705.9
2006 Q2 32 0 0 0.0
2006 Q1 35 0 0 0.0
2005 Q4 34 0 0 0.0
2005 Q3 70 0 0 0.0
2005 Q2 110 0 0 0.0
2004 Q4 450 0 0 0.0
2004 Q3 450 0 0 0.0
2004 Q2 450 0 0 0.0
2004 Q1 461 0 0 0.0
2003 Q4 461 0 0 0.0
2003 Q3 461 0 0 0.0
2003 Q2 461 1 0 2169.2
2003 Q1 461 0 0 0.0
2002 Q4 461 0 0 0.0
2002 Q3 461 0 0 0.0
2002 Q2 461 0 0 0.0
2002 Q1 461 0 0 0.0
2001 Q4 461 0 0 0.0
2001 Q3 461 0 0 0.0
2001 Q2 461 0 0 0.0
2001 Q1 461 0 0 0.0
2000 Q4 461 0 0 0.0
2000 Q3 461 0 0 0.0
2000 Q2 461 0 0 0.0
2000 Q1 461 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.