Mining Incidents

El Oso Metal/Non-Metal

Fredericksburg, Gillespie County, TX  ·  Active
MSHA Mine ID: 4104203

El Oso has $23K in proposed MSHA penalties and $2K outstanding across 2 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
1
Years on record
2010
Latest incident
Jul 2010
Compliance record
MSHA citations since 2000
129
citations
30
significant & substantial
$23,381
proposed penalties
$21,557
paid to date
92% of proposed penalties paid to date, a $1,824 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
77
inspections on record
611
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: 611 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

El Oso has $23K in proposed MSHA penalties and $2K outstanding across 2 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.
$23K
proposed penalties
$23K
current assessed
$22K
paid to date
$2K
outstanding
118 assessments are final orders; 2 contested dockets.
As of the most recent assessment on 2026-02-13.
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 1,580 0 0 0.0
2025 Q3 1,328 14 1 10542.2
2025 Q2 1,841 0 0 0.0
2025 Q1 2,048 0 0 0.0
2024 Q4 1,424 1 0 702.2
2024 Q3 1,560 6 1 3846.2
2024 Q2 1,324 0 0 0.0
2024 Q1 1,221 0 0 0.0
Show 93 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 1,560 6 0 3846.2
2023 Q3 1,390 0 0 0.0
2023 Q2 1,560 4 0 2564.1
2023 Q1 1,560 0 0 0.0
2022 Q4 1,247 10 0 8019.2
2022 Q3 1,444 0 0 0.0
2022 Q2 1,119 2 0 1787.3
2022 Q1 1,200 4 0 3333.3
2021 Q4 353 0 0 0.0
2021 Q3 1,124 1 0 889.7
2021 Q2 1,440 0 0 0.0
2021 Q1 1,600 6 2 3750.0
2020 Q4 1,296 0 0 0.0
2020 Q3 2,043 0 0 0.0
2020 Q2 2,080 3 0 1442.3
2020 Q1 1,322 0 0 0.0
2019 Q4 1,248 5 2 4006.4
2019 Q3 1,056 3 0 2840.9
2019 Q2 324 0 0 0.0
2019 Q1 480 7 0 14583.3
2018 Q4 480 0 0 0.0
2018 Q3 480 0 0 0.0
2018 Q2 320 3 1 9375.0
2018 Q1 176 0 0 0.0
2017 Q4 688 0 0 0.0
2017 Q3 568 0 0 0.0
2017 Q2 720 1 0 1388.9
2017 Q1 976 3 2 3073.8
2016 Q4 664 0 0 0.0
2016 Q3 888 1 0 1126.1
2016 Q2 888 0 0 0.0
2016 Q1 884 1 0 1131.2
2015 Q4 1,256 0 0 0.0
2015 Q3 1,392 0 0 0.0
2015 Q2 1,432 1 0 698.3
2015 Q1 1,288 0 0 0.0
2014 Q4 1,346 1 0 742.9
2014 Q3 1,448 0 0 0.0
2014 Q2 1,344 0 0 0.0
2014 Q1 1,040 0 0 0.0
2013 Q4 1,480 3 0 2027.0
2013 Q3 1,494 0 0 0.0
2013 Q2 1,584 3 1 1893.9
2013 Q1 1,336 1 0 748.5
2012 Q4 1,352 0 0 0.0
2012 Q3 1,472 0 0 0.0
2012 Q2 1,672 0 0 0.0
2012 Q1 1,584 1 0 631.3
2011 Q4 1,312 0 0 0.0
2011 Q3 1,352 0 0 0.0
2011 Q2 1,120 1 0 892.9
2011 Q1 1,313 0 0 0.0
2010 Q4 1,528 1 0 654.5
2010 Q3 1,232 1 0 811.7
2010 Q2 872 0 0 0.0
2010 Q1 1,032 4 2 3876.0
2009 Q4 1,358 0 0 0.0
2009 Q3 1,552 0 0 0.0
2009 Q2 1,504 0 0 0.0
2009 Q1 1,640 0 0 0.0
2008 Q4 1,856 0 0 0.0
2008 Q3 2,560 0 0 0.0
2008 Q2 2,016 0 0 0.0
2008 Q1 1,112 0 0 0.0
2007 Q4 1,616 1 0 618.8
2007 Q3 1,792 0 0 0.0
2007 Q2 1,328 1 1 753.0
2007 Q1 1,520 0 0 0.0
2006 Q4 1,680 1 1 595.2
2006 Q3 1,784 0 0 0.0
2006 Q2 2,400 0 0 0.0
2006 Q1 1,744 0 0 0.0
2005 Q4 2,176 0 0 0.0
2005 Q3 2,400 0 0 0.0
2005 Q2 2,520 0 0 0.0
2005 Q1 2,260 0 0 0.0
2004 Q4 2,424 0 0 0.0
2004 Q3 2,576 0 0 0.0
2004 Q2 2,306 0 0 0.0
2004 Q1 2,376 0 0 0.0
2003 Q4 2,288 0 0 0.0
2003 Q3 2,472 0 0 0.0
2003 Q2 2,328 0 0 0.0
2003 Q1 1,320 0 0 0.0
2002 Q4 2,168 0 0 0.0
2002 Q3 2,056 0 0 0.0
2002 Q2 2,848 2 2 702.2
2002 Q1 2,424 0 0 0.0
2001 Q4 2,448 0 0 0.0
2001 Q3 3,016 7 1 2321.0
2001 Q2 3,522 0 0 0.0
2001 Q1 2,452 1 0 407.8
2000 Q4 2,168 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

1 on file

2010 · 1 incident

July 8, 2010 TX · Metal/Non-Metal ledgeman/hand, quarry man HANDLING OF MATERIALS
Ervin Masonry · Caught in, under or between a moving and a stationary object

A rock fell from the top of the pile, getting 2 fingers caught between 2 rocks.

For insurers, brokers, and safety consultants

The full compliance file on El Oso

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.