Mining Incidents

Navajo Rock & Block Metal/Non-Metal

Controlled by David E Crye
Santa Margarita, San Luis Obispo County, CA  ·  Active
MSHA Mine ID: 0404240

Navajo Rock & Block has $31K 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
2
Years on record
1989–1999
Latest incident
Jun 1999
Compliance record
MSHA citations since 2000
141
citations
42
significant & substantial
$30,701
proposed penalties
$30,701
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
75
inspections on record
1,142
inspection hours
12.3
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.
141 citations across 1,142 inspection hours.
Source: MSHA inspections data, updated weekly.

Navajo Rock & Block has $31K 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.
$31K
proposed penalties
$31K
current assessed
$31K
paid to date
$0
outstanding
141 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2025-08-27.
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 880 0 0 0.0
2025 Q3 978 4 0 4090.0
2025 Q2 966 0 0 0.0
2025 Q1 245 0 0 0.0
2024 Q4 655 0 0 0.0
2024 Q3 744 0 0 0.0
2024 Q2 855 0 0 0.0
2024 Q1 649 0 0 0.0
Show 91 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 769 2 2 2600.8
2023 Q3 729 0 0 0.0
2023 Q2 585 0 0 0.0
2023 Q1 580 0 0 0.0
2022 Q4 774 4 0 5168.0
2022 Q3 863 0 0 0.0
2022 Q2 795 2 0 2515.7
2022 Q1 1,076 0 0 0.0
2021 Q4 860 3 1 3488.4
2021 Q3 803 0 0 0.0
2021 Q2 705 4 1 5673.8
2021 Q1 928 2 0 2155.2
2020 Q4 719 0 0 0.0
2020 Q3 1,508 6 3 3978.8
2020 Q2 1,228 0 0 0.0
2020 Q1 1,565 5 1 3194.9
2019 Q4 1,336 0 0 0.0
2019 Q3 1,239 0 0 0.0
2019 Q2 296 2 1 6756.8
2019 Q1 828 3 2 3623.2
2018 Q4 763 0 0 0.0
2018 Q3 1,133 1 0 882.6
2018 Q2 914 0 0 0.0
2018 Q1 975 2 2 2051.3
2017 Q4 882 0 0 0.0
2017 Q3 874 0 0 0.0
2017 Q2 990 3 0 3030.3
2017 Q1 906 0 0 0.0
2016 Q4 944 0 0 0.0
2016 Q3 1,120 0 0 0.0
2016 Q2 948 5 3 5274.3
2016 Q1 1,203 0 0 0.0
2015 Q4 912 3 0 3289.5
2015 Q3 1,200 0 0 0.0
2015 Q2 960 2 0 2083.3
2015 Q1 864 2 1 2314.8
2014 Q4 880 0 0 0.0
2014 Q3 672 3 1 4464.3
2014 Q1 970 3 1 3092.8
2013 Q4 679 0 0 0.0
2013 Q3 1,247 0 0 0.0
2013 Q2 1,128 4 2 3546.1
2013 Q1 1,152 0 0 0.0
2012 Q4 560 4 1 7142.9
2012 Q3 416 5 1 12019.2
2012 Q2 576 0 0 0.0
2012 Q1 588 0 0 0.0
2010 Q4 320 0 0 0.0
2010 Q3 240 0 0 0.0
2010 Q2 200 0 0 0.0
2010 Q1 120 2 2 16666.7
2009 Q4 160 0 0 0.0
2009 Q3 120 3 1 25000.0
2009 Q2 240 0 0 0.0
2009 Q1 308 4 0 12987.0
2008 Q4 372 0 0 0.0
2008 Q3 509 1 0 1964.6
2008 Q2 465 0 0 0.0
2008 Q1 408 0 0 0.0
2007 Q4 459 1 0 2178.6
2007 Q3 487 0 0 0.0
2007 Q2 592 0 0 0.0
2007 Q1 463 4 1 8639.3
2006 Q4 476 0 0 0.0
2006 Q3 548 2 0 3649.6
2006 Q2 518 0 0 0.0
2006 Q1 450 0 0 0.0
2005 Q4 78 0 0 0.0
2005 Q3 592 0 0 0.0
2005 Q2 569 0 0 0.0
2005 Q1 453 0 0 0.0
2004 Q4 835 1 0 1197.6
2004 Q3 1,024 0 0 0.0
2004 Q2 820 2 0 2439.0
2004 Q1 612 3 1 4902.0
2003 Q4 1,033 0 0 0.0
2003 Q3 1,194 0 0 0.0
2003 Q2 1,823 14 6 7679.6
2003 Q1 916 2 0 2183.4
2002 Q4 890 0 0 0.0
2002 Q3 644 2 1 3105.6
2002 Q2 827 0 0 0.0
2002 Q1 1,162 0 0 0.0
2001 Q4 1,095 0 0 0.0
2001 Q3 1,458 1 0 685.9
2001 Q2 1,291 0 0 0.0
2001 Q1 1,017 17 2 16715.8
2000 Q4 1,693 0 0 0.0
2000 Q3 1,339 0 0 0.0
2000 Q2 2,010 0 0 0.0
2000 Q1 1,303 4 2 3069.8
No fatalities recorded at this mine.

Reportable incidents

2 on file

1999 · 1 incident

June 4, 1999 CA · Metal/Non-Metal mine manager, mine foreman, mine owner HANDLING OF MATERIALS
Navajo Concrete Inc · Struck by flying object

TWO WORKERS WERE CHANGING CUTTING EDGES ON SCRAPER. A SPECK OF METAL FLEW IN LEFT EYE.

1989 · 1 incident

June 26, 1989 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Navajo Concrete Inc · Caught in, under or between a moving and a stationary object

WHILE RESETTING PARTS OF WASHING PLANT A SUPPORTING PIPE HOLDING PARTS TO BE WELDED FELL AND CAUGHT RIGTH AHND BETWEEN PIPE AND IRON.

For insurers, brokers, and safety consultants

The full compliance file on Navajo Rock & Block

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.