Mining Incidents

MARANA PLANT Metal/Non-Metal

CalMat Co · Surface
Controlled by Vulcan Materials Company
Avra Valley, Pima County, AZ  ·  Active
MSHA Mine ID: 0202919

MARANA PLANT has $28K in proposed MSHA penalties and $2K outstanding across 7 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
7
Years on record
2008–2019
Latest incident
Nov 2019
Compliance record
MSHA citations since 2001
126
citations
27
significant & substantial
$27,593
proposed penalties
$23,323
paid to date
85% of proposed penalties paid to date, a $4,270 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2001
73
inspections on record
1,038
inspection hours
12.1
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.
126 citations across 1,038 inspection hours.
Source: MSHA inspections data, updated weekly.

MARANA PLANT has $28K in proposed MSHA penalties and $2K outstanding across 7 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.
$28K
proposed penalties
$25K
current assessed
$23K
paid to date
$2K
outstanding
125 assessments are final orders; 7 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 10,502 0 0 0.0
2025 Q3 11,140 0 0 0.0
2025 Q2 11,310 0 0 0.0
2025 Q1 11,203 1 0 89.3
2024 Q4 10,816 7 2 647.2
2024 Q3 11,384 0 0 0.0
2024 Q2 12,768 0 0 0.0
2024 Q1 11,513 0 0 0.0
Show 90 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 14,172 0 0 0.0
2023 Q3 14,548 0 0 0.0
2023 Q2 14,274 3 0 210.2
2023 Q1 13,574 0 0 0.0
2022 Q4 12,794 1 0 78.2
2022 Q3 12,623 0 0 0.0
2022 Q2 13,153 0 0 0.0
2022 Q1 10,803 2 1 185.1
2021 Q4 10,279 0 0 0.0
2021 Q3 12,819 0 0 0.0
2021 Q2 13,677 0 0 0.0
2021 Q1 11,915 0 0 0.0
2020 Q4 10,873 0 0 0.0
2020 Q3 11,309 0 0 0.0
2020 Q2 11,348 0 0 0.0
2020 Q1 12,213 0 0 0.0
2019 Q4 11,141 0 0 0.0
2019 Q3 11,299 1 0 88.5
2019 Q2 11,129 0 0 0.0
2019 Q1 10,284 0 0 0.0
2018 Q4 9,353 0 0 0.0
2018 Q3 10,709 0 0 0.0
2018 Q2 10,454 4 0 382.6
2018 Q1 11,720 0 0 0.0
2017 Q4 12,449 1 0 80.3
2017 Q3 12,268 1 0 81.5
2017 Q2 12,178 0 0 0.0
2017 Q1 12,119 1 0 82.5
2016 Q4 11,156 0 0 0.0
2016 Q3 11,105 0 0 0.0
2016 Q2 10,403 2 1 192.3
2016 Q1 11,118 5 1 449.7
2015 Q4 9,006 0 0 0.0
2015 Q3 9,040 0 0 0.0
2015 Q2 8,451 0 0 0.0
2015 Q1 7,652 0 0 0.0
2014 Q4 8,003 0 0 0.0
2014 Q3 7,833 6 0 766.0
2014 Q2 8,058 0 0 0.0
2014 Q1 7,938 2 0 252.0
2013 Q4 6,681 0 0 0.0
2013 Q3 7,738 0 0 0.0
2013 Q2 7,676 2 0 260.6
2013 Q1 7,007 0 0 0.0
2012 Q4 7,063 8 1 1132.7
2012 Q3 8,127 0 0 0.0
2012 Q2 7,064 5 0 707.8
2012 Q1 8,093 0 0 0.0
2011 Q4 7,207 5 1 693.8
2011 Q3 8,343 0 0 0.0
2011 Q2 8,301 2 0 240.9
2011 Q1 10,005 0 0 0.0
2010 Q4 9,813 6 3 611.4
2010 Q3 12,482 4 0 320.5
2010 Q2 12,542 1 1 79.7
2010 Q1 9,531 3 1 314.8
2009 Q4 9,367 5 3 533.8
2009 Q3 8,399 3 1 357.2
2009 Q2 7,345 4 0 544.6
2009 Q1 5,036 0 0 0.0
2008 Q4 6,632 0 0 0.0
2008 Q3 9,073 0 0 0.0
2008 Q2 10,415 0 0 0.0
2008 Q1 10,744 0 0 0.0
2007 Q4 10,494 1 0 95.3
2007 Q3 12,868 0 0 0.0
2007 Q2 12,237 0 0 0.0
2007 Q1 11,513 2 0 173.7
2006 Q4 9,896 1 0 101.1
2006 Q3 11,002 0 0 0.0
2006 Q2 11,790 0 0 0.0
2006 Q1 11,415 0 0 0.0
2005 Q4 10,085 4 0 396.6
2005 Q3 11,340 0 0 0.0
2005 Q2 13,992 0 0 0.0
2005 Q1 4,680 2 1 427.4
2004 Q4 11,330 0 0 0.0
2004 Q3 8,403 6 3 714.0
2004 Q2 14,650 4 3 273.0
2004 Q1 14,072 0 0 0.0
2003 Q4 4,710 4 1 849.3
2003 Q3 8,010 0 0 0.0
2003 Q2 13,684 0 0 0.0
2003 Q1 9,262 1 0 108.0
2002 Q4 3,579 8 3 2235.3
2002 Q3 4,193 1 0 238.5
2002 Q2 4,252 0 0 0.0
2002 Q1 526 0 0 0.0
2001 Q4 768 0 0 0.0
2001 Q3 1,134 6 0 5291.0
No fatalities recorded at this mine.

Reportable incidents

7 on file

2019 · 1 incident

November 4, 2019 AZ · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator SLIP OR FALL OF PERSON
CalMat Co · Fall from machine

Operator reached in the cab of the loader to grab EE's hard hat and while stepping back, missed the step of the loader falling to the ground.

2016 · 1 incident

November 7, 2016 AZ · Metal/Non-Metal outside foreman, leadman HANDTOOLS (NONPOWERED)
CalMat Co · Struck by... (Not Elsewhere Classified)

Employee was using a utility knife cutting towards self cutting thigh.

2014 · 1 incident

March 24, 2014 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
CalMat Co · Over-exertion in pulling or pushing objects

The employee sought medical treatment and was placed on restricted duty , which is being accommodated. While pulling on a ratchet to turn a take-up bolt on a tail pulley located beneath the cone belt, the employee sprained his right shoulder.

2012 · 1 incident

August 16, 2012 AZ · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
CalMat Co · Struck by... (Not Elsewhere Classified)

The employee received dental treatment on 8/29/12, beyond first aid. The employee whipped a chain and hit his face resulting in a broken tooth.

2009 · 2 incidents

November 25, 2009 AZ · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
CalMat Co · Struck against a moving object

Employee rolled his truck.

September 15, 2009 AZ · Metal/Non-Metal electrician, lineman SLIP OR FALL OF PERSON
CalMat Co · Fall to the walkway or working surface

Employee allegedly slipped and fell injuring his right shoulder. Employee was walking on wet concrete surface towards a sump pump to perform a repair. This became reportable when the employee was placed on restrictions on the initial visit on 10/24/2009.

2008 · 1 incident

April 2, 2008 AZ · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDTOOLS (NONPOWERED)
CalMat Co · Struck by falling object

Employee was working on a sand screw out of a course material washer which was supported by two jack stands. The log fell off crushing the right foot and causing a small laceration.

For insurers, brokers, and safety consultants

The full compliance file on MARANA PLANT

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.