Mining Incidents

Shenandoah Mill Metal/Non-Metal

KMI Zeolite Inc · Facility
Controlled by Clarence Wagenaar
Death Valley, Inyo County, CA  ·  Intermittent
MSHA Mine ID: 2602408

Shenandoah Mill has $180K in proposed MSHA penalties and $118 outstanding across 4 contested dockets, plus health sampling and the full incident record.

Watch this mine

Email me when a new MSHA incident is filed at Shenandoah Mill.

Fatalities
0
Total incidents
2
Years on record
2017–2018
Latest incident
Aug 2018
Compliance record
MSHA citations since 2000
335
citations
84
significant & substantial
$179,787
proposed penalties
$168,648
paid to date
94% of proposed penalties paid to date, a $11,139 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
94
inspections on record
1,543
inspection hours
21.7
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.
335 citations across 1,543 inspection hours.
Source: MSHA inspections data, updated weekly.

Shenandoah Mill has $180K in proposed MSHA penalties and $118 outstanding across 4 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.
$180K
proposed penalties
$169K
current assessed
$169K
paid to date
$118
outstanding
330 assessments are final orders; 4 contested dockets.
As of the most recent assessment on 2026-02-11.
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 773 0 0 0.0
2025 Q3 1,022 0 0 0.0
2025 Q2 1,781 5 2 2807.4
2025 Q1 2,808 0 0 0.0
2024 Q4 2,976 8 3 2688.2
2024 Q3 2,754 0 0 0.0
2024 Q2 2,630 16 1 6083.7
2024 Q1 2,192 0 0 0.0
Show 95 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 5,715 4 1 699.9
2023 Q3 7,726 3 0 388.3
2023 Q2 5,753 0 0 0.0
2023 Q1 6,775 0 0 0.0
2022 Q4 8,748 3 0 342.9
2022 Q3 7,090 0 0 0.0
2022 Q2 5,431 4 2 736.5
2022 Q1 6,657 0 0 0.0
2021 Q4 4,521 7 2 1548.3
2021 Q3 6,023 0 0 0.0
2021 Q2 5,219 11 3 2107.7
2021 Q1 3,674 0 0 0.0
2020 Q4 4,655 6 2 1288.9
2020 Q3 7,415 0 0 0.0
2020 Q2 6,178 2 0 323.7
2020 Q1 6,765 0 0 0.0
2019 Q4 7,151 5 0 699.2
2019 Q3 8,907 0 0 0.0
2019 Q2 8,361 7 1 837.2
2019 Q1 6,260 0 0 0.0
2018 Q4 8,851 6 2 677.9
2018 Q3 8,587 10 3 1164.6
2018 Q2 10,312 0 0 0.0
2018 Q1 10,227 0 0 0.0
2017 Q4 16,342 11 1 673.1
2017 Q2 11,352 4 1 352.4
2017 Q1 6,579 10 0 1520.0
2016 Q4 8,386 0 0 0.0
2016 Q3 8,246 0 0 0.0
2016 Q2 4,231 4 2 945.4
2016 Q1 4,030 0 0 0.0
2015 Q4 4,548 6 1 1319.3
2015 Q3 5,979 20 17 3345.0
2015 Q2 5,440 9 1 1654.4
2015 Q1 4,181 0 0 0.0
2014 Q4 3,722 13 1 3492.7
2014 Q3 6,545 0 0 0.0
2014 Q2 5,687 4 0 703.4
2014 Q1 3,301 0 0 0.0
2013 Q4 5,541 8 2 1443.8
2013 Q3 7,045 0 0 0.0
2013 Q2 4,812 15 1 3117.2
2013 Q1 6,853 0 0 0.0
2012 Q4 6,669 6 1 899.7
2012 Q3 6,538 0 0 0.0
2012 Q2 6,451 6 1 930.1
2012 Q1 2,952 0 0 0.0
2011 Q4 2,846 12 6 4216.4
2011 Q3 3,137 0 0 0.0
2011 Q2 2,640 5 1 1893.9
2011 Q1 2,000 9 2 4500.0
2010 Q4 1,813 0 0 0.0
2010 Q3 1,902 0 0 0.0
2010 Q2 2,327 3 2 1289.2
2010 Q1 2,171 0 0 0.0
2009 Q4 2,674 8 4 2991.8
2009 Q3 3,447 0 0 0.0
2009 Q2 4,613 0 0 0.0
2009 Q1 2,930 0 0 0.0
2008 Q4 4,138 5 1 1208.3
2008 Q3 4,016 0 0 0.0
2008 Q2 4,861 0 0 0.0
2008 Q1 5,530 9 4 1627.5
2007 Q4 3,610 0 0 0.0
2007 Q3 1,903 0 0 0.0
2007 Q2 1,489 0 0 0.0
2007 Q1 2,379 0 0 0.0
2006 Q4 2,628 26 6 9893.5
2006 Q3 2,554 0 0 0.0
2006 Q2 2,341 4 0 1708.7
2006 Q1 751 0 0 0.0
2005 Q4 475 4 0 8421.1
2005 Q3 646 2 0 3096.0
2005 Q2 1,608 0 0 0.0
2005 Q1 1,342 0 0 0.0
2004 Q4 1,209 1 0 827.1
2004 Q3 395 5 1 12658.2
2004 Q2 1,775 0 0 0.0
2004 Q1 1,579 0 0 0.0
2003 Q4 708 0 0 0.0
2003 Q3 738 0 0 0.0
2003 Q2 1,785 8 2 4481.8
2003 Q1 924 0 0 0.0
2002 Q4 1,824 0 0 0.0
2002 Q3 2,130 0 0 0.0
2002 Q2 1,640 2 2 1219.5
2002 Q1 2,018 0 0 0.0
2001 Q4 1,176 0 0 0.0
2001 Q3 1,260 5 0 3968.3
2001 Q2 1,787 0 0 0.0
2001 Q1 1,774 0 0 0.0
2000 Q4 1,707 0 0 0.0
2000 Q3 1,665 0 0 0.0
2000 Q2 800 1 0 1250.0
2000 Q1 1,920 8 2 4166.7
No fatalities recorded at this mine.

Reportable incidents

2 on file

2018 · 1 incident

August 25, 2018 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
KMI Zeolite Inc · Fall from machine

Miner was one of our CDL driver. Miner stepped out of the truck onto the side of the scale. When they stepped onto the scale, their foot slipped and they fell onto the side rail and over. Miner broke four ribs and their clavicle.

2017 · 1 incident

March 15, 2017 CA · Metal/Non-Metal miner, prospector, nec HANDTOOLS (NONPOWERED)
KMI Zeolite Inc · Struck by... (Not Elsewhere Classified)

Braker bar slipped hit employee on R eyelid and R index finger causing lacerations.

For insurers, brokers, and safety consultants

The full compliance file on Shenandoah Mill

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.