Mining Incidents

Hockley Plant Metal/Non-Metal

Controlled by Summit Materials LLC
Hockley, Harris County, TX  ·  Active
MSHA Mine ID: 4103491

Hockley Plant has $44K in proposed MSHA penalties and $8K outstanding across 2 contested dockets, plus health sampling and the full incident record.

Watch this mine

Email me when a new MSHA incident is filed at Hockley Plant.

Fatalities
1
Total incidents
5
Years on record
1988–2023
Latest incident
Jun 2023
Compliance record
MSHA citations since 2000
95
citations
28
significant & substantial
$43,606
proposed penalties
$25,402
paid to date
58% of proposed penalties paid to date, a $18,204 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
56
inspections on record
753
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: 753 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Hockley Plant has $44K in proposed MSHA penalties and $8K 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.
$44K
proposed penalties
$33K
current assessed
$25K
paid to date
$8K
outstanding
93 assessments are final orders; 2 contested dockets.
As of the most recent assessment on 2025-11-13.
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 3,078 1 0 324.9
2025 Q3 2,366 0 0 0.0
2025 Q2 3,067 2 0 652.1
2025 Q1 2,891 4 1 1383.6
2024 Q4 3,068 0 0 0.0
2024 Q3 3,078 5 1 1624.4
2024 Q2 2,657 0 0 0.0
2024 Q1 2,749 5 1 1818.8
Show 92 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 2,115 0 0 0.0
2023 Q3 2,234 8 2 3581.0
2023 Q2 1,874 6 1 3201.7
2023 Q1 2,064 0 0 0.0
2022 Q4 2,141 2 0 934.1
2022 Q3 2,232 3 1 1344.1
2022 Q2 2,397 0 0 0.0
2022 Q1 2,549 2 0 784.6
2021 Q4 1,975 0 0 0.0
2021 Q3 1,855 2 0 1078.2
2021 Q2 2,830 0 0 0.0
2021 Q1 276 2 0 7246.4
2020 Q4 2,247 0 0 0.0
2020 Q3 2,466 0 0 0.0
2020 Q2 2,348 0 0 0.0
2020 Q1 3,108 0 0 0.0
2019 Q4 3,161 0 0 0.0
2019 Q3 3,389 0 0 0.0
2019 Q2 3,302 0 0 0.0
2019 Q1 4,173 4 1 958.5
2018 Q4 4,150 0 0 0.0
2018 Q3 3,117 0 0 0.0
2018 Q2 2,637 2 0 758.4
2018 Q1 5,436 3 2 551.9
2017 Q4 2,710 0 0 0.0
2017 Q3 2,892 4 1 1383.1
2017 Q2 2,669 0 0 0.0
2017 Q1 1,990 0 0 0.0
2016 Q4 3,484 4 1 1148.1
2016 Q3 3,383 0 0 0.0
2016 Q2 2,848 0 0 0.0
2016 Q1 2,491 0 0 0.0
2015 Q4 2,323 2 2 861.0
2015 Q3 2,820 0 0 0.0
2015 Q2 3,534 2 1 565.9
2015 Q1 2,310 0 0 0.0
2014 Q4 2,738 5 2 1826.2
2014 Q3 2,748 0 0 0.0
2014 Q2 2,639 1 0 378.9
2014 Q1 2,441 0 0 0.0
2013 Q4 1,736 4 1 2304.1
2013 Q3 1,798 0 0 0.0
2013 Q2 1,899 3 3 1579.8
2013 Q1 1,748 0 0 0.0
2012 Q4 1,691 2 1 1182.7
2012 Q3 1,773 0 0 0.0
2012 Q2 1,951 3 3 1537.7
2012 Q1 1,819 0 0 0.0
2011 Q4 1,850 2 1 1081.1
2011 Q3 1,043 1 0 958.8
2010 Q2 0 0 0
2010 Q1 0 0 0
2009 Q4 0 0 0
2009 Q3 0 0 0
2009 Q2 0 0 0
2009 Q1 0 0 0
2008 Q4 1,578 0 0 0.0
2008 Q3 2,478 0 0 0.0
2008 Q2 2,631 0 0 0.0
2008 Q1 3,278 0 0 0.0
2007 Q4 3,282 0 0 0.0
2007 Q3 4,962 0 0 0.0
2007 Q2 3,067 0 0 0.0
2007 Q1 3,160 0 0 0.0
2006 Q4 3,298 3 0 909.6
2006 Q3 3,367 0 0 0.0
2006 Q2 3,294 0 0 0.0
2006 Q1 2,933 1 1 340.9
2005 Q4 5,567 0 0 0.0
2005 Q3 3,828 0 0 0.0
2005 Q2 3,700 0 0 0.0
2005 Q1 5,310 0 0 0.0
2004 Q4 4,144 0 0 0.0
2004 Q3 3,870 0 0 0.0
2004 Q2 3,144 0 0 0.0
2004 Q1 3,208 0 0 0.0
2003 Q4 3,129 0 0 0.0
2003 Q3 3,336 0 0 0.0
2003 Q2 3,336 1 1 299.8
2003 Q1 3,250 0 0 0.0
2002 Q4 2,894 0 0 0.0
2002 Q3 3,243 0 0 0.0
2002 Q2 3,225 0 0 0.0
2002 Q1 3,301 0 0 0.0
2001 Q4 2,970 3 0 1010.1
2001 Q3 3,207 2 0 623.6
2001 Q2 3,260 0 0 0.0
2001 Q1 2,252 0 0 0.0
2000 Q4 2,796 0 0 0.0
2000 Q3 3,414 1 0 292.9
2000 Q2 3,092 0 0 0.0
2000 Q1 3,329 0 0 0.0

Fatalities at this mine

1 recorded
June 1, 2023 TX · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver Fatality · MACHINERY
Alleyton Resource Company, LLC. · Struck by rolling or sliding object

An outside truck driver came onto this site to get loaded where the driver then parked their truck and was out of view from out scale house. Driver began to work on the back of the truck where the air bag blew out from under the truck and hit the driver in the head. Driver was not our employee, nor was the driver supposed to be working on their truck.

Reportable incidents

4 on file (excluding fatalities above)

2012 · 1 incident

August 13, 2012 TX · Metal/Non-Metal ledgeman/hand, quarry man SLIP OR FALL OF PERSON
Hallett Materials · Fall to the walkway or working surface

Employee was exiting a Jonboat, when he stepped out of the boat his foot sank in the mud and lost his balance, fell and sprained his back.

1989 · 1 incident

May 6, 1989 TX · Metal/Non-Metal MACHINERY
Hallett Materials · Contact with hot objects or substances

EMPLOYEE WAS HIT BY HOT WATER BURNING RIGHT ARM AND BACK.

1988 · 2 incidents

March 9, 1988 TX · Metal/Non-Metal OTHER
Hallett Materials · Struck by... (Not Elsewhere Classified)

WIND CAUGHT OFFICE DOOR FORCING DOOR INTO EMPLOYEE S NOSE.

March 7, 1988 TX · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Hallett Materials · Struck by... (Not Elsewhere Classified)

CUT RIGHT INDEX FINGER ON SIDE OF CEMENT SILO. CEMENT ENTERED THE CUT CAUSING CONCRETE RASH.

For insurers, brokers, and safety consultants

The full compliance file on Hockley 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.