Mining Incidents

DILLON ROAD PIT Metal/Non-Metal

Controlled by Vulcan Materials Company
indio, Riverside County, CA  ·  Active
MSHA Mine ID: 0404937

DILLON ROAD PIT has $28K in proposed MSHA penalties and $0 outstanding across 1 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
15
Years on record
1990–2019
Latest incident
Feb 2019
Compliance record
MSHA citations since 2000
159
citations
40
significant & substantial
$27,725
proposed penalties
$27,725
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
65
inspections on record
963
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: 963 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

DILLON ROAD PIT has $28K in proposed MSHA penalties and $0 outstanding across 1 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
$28K
current assessed
$28K
paid to date
$0
outstanding
158 assessments are final orders; 1 contested dockets.
As of the most recent assessment on 2026-04-08.
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 3,562 3 0 842.2
2025 Q3 5,059 0 0 0.0
2025 Q2 3,872 3 0 774.8
2025 Q1 5,371 0 0 0.0
2024 Q4 4,492 4 0 890.5
2024 Q3 5,115 0 0 0.0
2024 Q2 4,434 1 0 225.5
2024 Q1 3,964 2 1 504.5
Show 96 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 2,743 0 0 0.0
2023 Q3 3,104 1 0 322.2
2023 Q2 3,930 0 0 0.0
2023 Q1 3,322 0 0 0.0
2022 Q4 3,458 2 0 578.4
2022 Q3 4,715 0 0 0.0
2022 Q2 4,212 2 0 474.8
2022 Q1 3,038 0 0 0.0
2021 Q4 2,458 4 2 1627.3
2021 Q3 3,138 2 0 637.3
2021 Q2 2,033 0 0 0.0
2021 Q1 2,404 6 3 2495.8
2020 Q4 2,988 0 0 0.0
2020 Q3 2,607 2 0 767.2
2020 Q2 3,129 0 0 0.0
2020 Q1 2,938 1 0 340.4
2019 Q4 3,800 0 0 0.0
2019 Q3 2,567 0 0 0.0
2019 Q2 2,819 3 1 1064.2
2019 Q1 3,001 0 0 0.0
2018 Q4 3,022 1 0 330.9
2018 Q3 2,742 0 0 0.0
2018 Q2 2,507 1 0 398.9
2018 Q1 1,785 0 0 0.0
2017 Q4 2,183 1 0 458.1
2017 Q3 1,787 0 0 0.0
2017 Q2 1,987 1 0 503.3
2017 Q1 1,454 0 0 0.0
2016 Q4 1,325 0 0 0.0
2016 Q3 1,712 0 0 0.0
2016 Q2 1,903 1 0 525.5
2016 Q1 1,552 2 0 1288.7
2015 Q4 2,225 0 0 0.0
2015 Q3 2,200 4 2 1818.2
2015 Q2 2,063 0 0 0.0
2015 Q1 2,450 4 1 1632.7
2014 Q4 2,512 0 0 0.0
2014 Q3 2,052 6 2 2924.0
2014 Q2 2,524 0 0 0.0
2014 Q1 2,779 1 1 359.8
2013 Q4 2,254 0 0 0.0
2013 Q3 2,457 2 2 814.0
2013 Q2 2,080 0 0 0.0
2013 Q1 2,021 0 0 0.0
2012 Q4 1,740 2 0 1149.4
2012 Q3 1,903 5 5 2627.4
2012 Q2 1,464 0 0 0.0
2012 Q1 1,612 0 0 0.0
2011 Q4 1,595 3 0 1880.9
2011 Q3 1,877 0 0 0.0
2011 Q2 2,022 0 0 0.0
2011 Q1 1,652 0 0 0.0
2010 Q4 1,875 3 1 1600.0
2010 Q3 1,718 0 0 0.0
2010 Q2 1,723 0 0 0.0
2010 Q1 1,436 0 0 0.0
2009 Q4 1,691 6 4 3548.2
2009 Q3 1,404 0 0 0.0
2009 Q2 1,817 1 0 550.4
2009 Q1 3,785 0 0 0.0
2008 Q4 1,677 0 0 0.0
2008 Q3 1,341 0 0 0.0
2008 Q2 1,552 4 2 2577.3
2008 Q1 1,849 0 0 0.0
2007 Q4 2,332 6 0 2572.9
2007 Q3 2,276 2 0 878.7
2007 Q2 2,749 0 0 0.0
2007 Q1 2,229 0 0 0.0
2006 Q4 2,469 6 2 2430.1
2006 Q3 2,267 2 0 882.2
2006 Q2 2,407 0 0 0.0
2006 Q1 2,352 6 0 2551.0
2005 Q4 2,491 0 0 0.0
2005 Q3 2,293 7 2 3052.8
2005 Q2 2,305 0 0 0.0
2005 Q1 2,211 1 0 452.3
2004 Q4 2,302 0 0 0.0
2004 Q3 2,211 0 0 0.0
2004 Q2 2,355 7 0 2972.4
2004 Q1 2,836 0 0 0.0
2003 Q4 2,348 2 0 851.8
2003 Q3 2,096 0 0 0.0
2003 Q2 2,180 3 0 1376.1
2003 Q1 1,996 0 0 0.0
2002 Q4 2,781 0 0 0.0
2002 Q3 2,091 0 0 0.0
2002 Q2 2,404 1 0 416.0
2002 Q1 2,200 17 6 7727.3
2001 Q4 2,799 0 0 0.0
2001 Q3 2,747 3 0 1092.1
2001 Q2 2,979 0 0 0.0
2001 Q1 3,231 0 0 0.0
2000 Q4 2,831 4 1 1412.9
2000 Q3 3,602 0 0 0.0
2000 Q2 3,241 6 2 1851.3
2000 Q1 3,491 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

15 on file

2019 · 1 incident

February 8, 2019 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
Superior Ready Mix Concrete L.P. · Over-exertion (Not Elsewhere Classified)

Employee went to step up on ladder on 769 Cat Rock Truck with right foot and strained left calf.

2010 · 3 incidents

September 17, 2010 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Superior Ready Mix Concrete L.P. · Struck by falling object

Employee was lying on his back changing screens on a shaker and the vibration of the movement caused a toolbelt and small hammer to fall and strike the employee in the head.

June 28, 2010 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
Superior Ready Mix Concrete L.P. · Caught in, under or between a moving and a stationary object

Employee was changing the skid steer from loader bucket to forks and was using a cheater pipe to assist him. The pipe slipped and employee smashed his fifth finger on his right hand.

April 7, 2010 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman MACHINERY
Superior Ready Mix Concrete L.P. · Contact with hot objects or substances

While doing repair work on a conveyor, the cutting torch slipped from the worker's hand. The torch landed on top of his work boot and burned him.

2008 · 1 incident

February 5, 2008 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
Superior Ready Mix Concrete L.P. · Struck by... (Not Elsewhere Classified)

Employee was kneeling down cutting a conveyor belt with a knife. THe knife slipped and the employee cut his left thigh 2" deep above the knee.

2000 · 2 incidents

November 28, 2000 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
James E Simon Company · Struck by falling object

ROCK BOUNCED OFF CRUSHER HITTING LEFT HAND & CAUSED IT TO FRACTURE

1999 · 1 incident

1995 · 2 incidents

August 22, 1995 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
James E Simon Company · Struck by... (Not Elsewhere Classified)

WORKING ON TAIL PULLEY.

February 15, 1995 CA · Metal/Non-Metal POWERED HAULAGE
James E Simon Company · Struck by flying object

WORKING ON THE TAIL PULLEYS, A ROCK HOPPED OVER SCREEN GAURD AND STRUCK EE ON UPPER LIP.

1993 · 1 incident

1991 · 1 incident

1990 · 3 incidents

December 7, 1990 CA · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor HANDLING OF MATERIALS
James E Simon Company · Struck by... (Not Elsewhere Classified)

EE REMOVING SUPPORT BRACE ON CONVEYOR WHEN IT FELL AND CUT HAND.

For insurers, brokers, and safety consultants

The full compliance file on DILLON ROAD PIT

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.