Mining Incidents

Mossdale Plant Metal/Non-Metal

Brown Sand Inc · Surface
Controlled by Robert H Brown Jr
70, San Joaquin County, CA  ·  Active
MSHA Mine ID: 0405330

Mossdale Plant has $17K in proposed MSHA penalties and $755 outstanding across 5 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
7
Years on record
1999–2021
Latest incident
Jun 2021
Compliance record
MSHA citations since 2000
137
citations
26
significant & substantial
$17,428
proposed penalties
$16,324
paid to date
94% of proposed penalties paid to date, a $1,104 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
69
inspections on record
1,037
inspection hours
13.2
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.
137 citations across 1,037 inspection hours.
Source: MSHA inspections data, updated weekly.

Mossdale Plant has $17K in proposed MSHA penalties and $755 outstanding across 5 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.
$17K
proposed penalties
$17K
current assessed
$16K
paid to date
$755
outstanding
130 assessments are final orders; 5 contested dockets.
As of the most recent assessment on 2026-05-07.
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 5,919 0 0 0.0
2025 Q3 19,840 0 0 0.0
2025 Q2 17,774 0 0 0.0
2025 Q1 17,281 0 0 0.0
2024 Q4 19,388 0 0 0.0
2024 Q3 23,343 0 0 0.0
2024 Q2 19,173 0 0 0.0
2024 Q1 19,611 0 0 0.0
Show 96 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 16,400 0 0 0.0
2023 Q3 18,633 0 0 0.0
2023 Q2 16,402 0 0 0.0
2023 Q1 15,460 1 0 64.7
2022 Q4 14,984 0 0 0.0
2022 Q3 17,378 0 0 0.0
2022 Q2 16,736 5 0 298.8
2022 Q1 13,741 0 0 0.0
2021 Q4 14,735 6 1 407.2
2021 Q3 13,860 0 0 0.0
2021 Q2 16,160 0 0 0.0
2021 Q1 10,666 5 1 468.8
2020 Q4 15,430 0 0 0.0
2020 Q3 12,182 4 2 328.4
2020 Q2 14,065 0 0 0.0
2020 Q1 14,134 3 0 212.3
2019 Q4 18,080 0 0 0.0
2019 Q3 17,416 1 0 57.4
2019 Q2 19,188 0 0 0.0
2019 Q1 15,645 0 0 0.0
2018 Q4 21,113 1 0 47.4
2018 Q3 14,531 0 0 0.0
2018 Q2 17,222 1 0 58.1
2018 Q1 16,762 0 0 0.0
2017 Q4 16,914 1 0 59.1
2017 Q3 14,001 0 0 0.0
2017 Q2 16,771 0 0 0.0
2017 Q1 13,085 0 0 0.0
2016 Q4 14,792 2 0 135.2
2016 Q3 14,316 0 0 0.0
2016 Q2 12,116 0 0 0.0
2016 Q1 10,663 0 0 0.0
2015 Q4 13,525 1 0 73.9
2015 Q3 12,978 0 0 0.0
2015 Q2 10,816 0 0 0.0
2015 Q1 11,530 1 0 86.7
2014 Q4 11,304 1 0 88.5
2014 Q3 12,929 0 0 0.0
2014 Q2 10,773 0 0 0.0
2014 Q1 10,792 0 0 0.0
2013 Q4 9,835 1 0 101.7
2013 Q3 11,462 0 0 0.0
2013 Q2 9,495 2 0 210.6
2013 Q1 10,118 0 0 0.0
2012 Q4 9,258 5 2 540.1
2012 Q3 10,746 3 1 279.2
2012 Q2 9,186 0 0 0.0
2012 Q1 9,904 1 0 101.0
2011 Q4 8,436 0 0 0.0
2011 Q3 9,613 0 0 0.0
2011 Q2 9,721 3 0 308.6
2011 Q1 6,475 0 0 0.0
2010 Q4 7,564 6 4 793.2
2010 Q3 10,029 0 0 0.0
2010 Q2 10,364 2 1 193.0
2010 Q1 6,313 0 0 0.0
2009 Q4 9,045 4 2 442.2
2009 Q3 8,902 0 0 0.0
2009 Q2 9,778 0 0 0.0
2009 Q1 6,266 1 0 159.6
2008 Q4 8,278 2 1 241.6
2008 Q3 8,143 0 0 0.0
2008 Q2 9,579 0 0 0.0
2008 Q1 6,101 1 0 163.9
2007 Q4 11,586 3 0 258.9
2007 Q3 10,693 0 0 0.0
2007 Q2 12,769 6 2 469.9
2007 Q1 9,657 6 2 621.3
2006 Q4 13,523 0 0 0.0
2006 Q3 12,732 0 0 0.0
2006 Q2 16,576 2 0 120.7
2006 Q1 11,767 0 0 0.0
2005 Q4 13,630 0 0 0.0
2005 Q3 13,635 0 0 0.0
2005 Q2 12,374 1 0 80.8
2005 Q1 11,960 2 1 167.2
2004 Q4 14,600 0 0 0.0
2004 Q3 14,791 2 0 135.2
2004 Q2 12,438 0 0 0.0
2004 Q1 12,260 3 1 244.7
2003 Q4 11,325 0 0 0.0
2003 Q3 13,695 4 0 292.1
2003 Q2 11,888 3 1 252.4
2003 Q1 11,440 0 0 0.0
2002 Q4 10,972 0 0 0.0
2002 Q3 12,395 28 3 2259.0
2002 Q2 11,921 2 0 167.8
2002 Q1 12,307 0 0 0.0
2001 Q4 13,503 0 0 0.0
2001 Q3 16,079 1 0 62.2
2001 Q2 12,640 0 0 0.0
2001 Q1 12,323 0 0 0.0
2000 Q4 11,612 0 0 0.0
2000 Q3 14,856 5 1 336.6
2000 Q2 13,606 0 0 0.0
2000 Q1 12,229 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

7 on file

2021 · 2 incidents

June 15, 2021 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
Brown Sand Inc · Caught in, under or between a moving and a stationary object

Misplaced hand when grabbing the handle and smashed thumb in door.

May 6, 2021 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Brown Sand Inc · Over-exertion (Not Elsewhere Classified)

Stepping off excavator rolled left ankle once placed on ground.

2020 · 1 incident

October 28, 2020 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator MACHINERY
Brown Sand Inc · Caught in, under or between (Not Elsewhere Classified)

An inexperienced miner helping with dredge line repair. Employee #1 loosened the haul back. The cable unreeled very fast and cut off the tip of employee #2 middle finger on right hand.

2001 · 1 incident

September 26, 2001 CA · Metal/Non-Metal mine manager, mine foreman, mine owner SLIP OR FALL OF PERSON
Brown Sand Inc · Fall onto or against objects

CABLE BROKE HITTING EE IN ARM. EE FELL AND HIT HIS HEAD ON PIECE OF METAL.

1999 · 3 incidents

December 1, 1999 CA · Metal/Non-Metal crane operator, mobile equipment operator (meo), dragline operator, dropball operator, rigger HANDLING OF MATERIALS
Brown Sand Inc · Over-exertion in lifting objects

LIFTING HOOD OF EXCAVATION AND STRAINED NECK AND LOWER BACK.

September 16, 1999 CA · Metal/Non-Metal welder (shop) HANDLING OF MATERIALS
Brown Sand Inc · Over-exertion in lifting objects

EMPLOYEE WAS LIFTING A 40 POUND PIECE OF METAL AND STRAINED HIS LOWER BACK.

June 2, 1999 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman DISORDERS (PHYSICAL AGENTS)
Brown Sand Inc · Flash burns (welding)

EE WAS WELDING A SMALL PIECE OF METAL & TO SEE IT BETTER, SHIFTED HIS WELING MASK, WHICH CAUSED HIS EYES TO BE BURNT BY THE WELDING SPARKS.

For insurers, brokers, and safety consultants

The full compliance file on Mossdale 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.