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Highway 175 Quarry Metal/Non-Metal

Controlled by Granite Construction Inc
Lakeport, Lake County, CA  ·  Active
MSHA Mine ID: 0405336

Highway 175 Quarry has $5K 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
8
Years on record
2000–2017
Latest incident
Aug 2017
Compliance record
MSHA citations since 2000
49
citations
10
significant & substantial
$5,328
proposed penalties
$5,269
paid to date
99% of proposed penalties paid to date, a $59 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
62
inspections on record
885
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: 885 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Highway 175 Quarry has $5K 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.
$5K
proposed penalties
$5K
current assessed
$5K
paid to date
$0
outstanding
48 assessments are final orders; 1 contested dockets.
As of the most recent assessment on 2025-12-17.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
See also the operator's enforcement record
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 5,650 1 0 177.0
2025 Q3 9,004 0 0 0.0
2025 Q2 8,386 0 0 0.0
2025 Q1 5,353 2 1 373.6
2024 Q4 5,722 0 0 0.0
2024 Q3 6,526 0 0 0.0
2024 Q2 6,707 0 0 0.0
2024 Q1 3,679 4 0 1087.3
Show 96 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 4,133 0 0 0.0
2023 Q3 4,888 0 0 0.0
2023 Q2 4,940 0 0 0.0
2023 Q1 2,100 0 0 0.0
2022 Q4 3,856 0 0 0.0
2022 Q3 5,115 0 0 0.0
2022 Q2 4,885 0 0 0.0
2022 Q1 3,629 1 0 275.6
2021 Q4 3,701 0 0 0.0
2021 Q3 5,353 2 0 373.6
2021 Q2 6,034 0 0 0.0
2021 Q1 3,695 0 0 0.0
2020 Q4 4,314 0 0 0.0
2020 Q3 5,479 0 0 0.0
2020 Q2 5,074 0 0 0.0
2020 Q1 3,046 0 0 0.0
2019 Q4 3,308 0 0 0.0
2019 Q3 4,480 0 0 0.0
2019 Q2 4,792 1 0 208.7
2019 Q1 2,389 0 0 0.0
2018 Q4 3,315 0 0 0.0
2018 Q3 3,859 0 0 0.0
2018 Q2 3,687 0 0 0.0
2018 Q1 2,855 0 0 0.0
2017 Q4 2,050 0 0 0.0
2017 Q3 3,951 1 0 253.1
2017 Q2 4,091 0 0 0.0
2017 Q1 2,545 0 0 0.0
2016 Q4 1,803 1 0 554.6
2016 Q3 2,915 0 0 0.0
2016 Q2 4,424 0 0 0.0
2016 Q1 2,804 1 0 356.6
2015 Q4 2,028 0 0 0.0
2015 Q3 5,369 0 0 0.0
2015 Q2 4,576 1 0 218.5
2015 Q1 2,207 0 0 0.0
2014 Q4 1,239 0 0 0.0
2014 Q3 3,403 0 0 0.0
2014 Q2 3,285 0 0 0.0
2014 Q1 758 0 0 0.0
2013 Q4 2,322 0 0 0.0
2013 Q3 4,626 0 0 0.0
2013 Q2 3,623 0 0 0.0
2013 Q1 867 0 0 0.0
2012 Q4 1,418 0 0 0.0
2012 Q3 3,636 0 0 0.0
2012 Q2 3,279 0 0 0.0
2012 Q1 1,428 0 0 0.0
2011 Q4 3,606 3 2 831.9
2011 Q3 5,345 0 0 0.0
2011 Q2 5,463 3 2 549.1
2011 Q1 1,691 0 0 0.0
2010 Q4 1,091 0 0 0.0
2010 Q3 4,447 3 0 674.6
2010 Q2 4,265 0 0 0.0
2010 Q1 1,039 0 0 0.0
2009 Q4 2,114 1 0 473.0
2009 Q3 3,222 1 0 310.4
2009 Q2 4,557 0 0 0.0
2009 Q1 1,934 3 0 1551.2
2008 Q4 2,578 0 0 0.0
2008 Q3 2,105 0 0 0.0
2008 Q2 5,548 0 0 0.0
2008 Q1 3,253 0 0 0.0
2007 Q4 6,025 3 2 497.9
2007 Q3 5,508 0 0 0.0
2007 Q2 5,538 1 1 180.6
2007 Q1 3,659 0 0 0.0
2006 Q4 2,064 3 0 1453.5
2006 Q3 7,132 0 0 0.0
2006 Q2 5,451 2 0 366.9
2006 Q1 3,873 0 0 0.0
2005 Q4 5,533 3 2 542.2
2005 Q3 8,207 0 0 0.0
2005 Q2 3,449 0 0 0.0
2005 Q1 1,927 0 0 0.0
2004 Q4 4,109 0 0 0.0
2004 Q3 4,541 0 0 0.0
2004 Q2 3,146 0 0 0.0
2004 Q1 2,446 1 0 408.8
2003 Q4 4,158 0 0 0.0
2003 Q3 7,590 0 0 0.0
2003 Q2 4,725 0 0 0.0
2003 Q1 1,938 0 0 0.0
2002 Q4 2,971 0 0 0.0
2002 Q3 3,579 0 0 0.0
2002 Q2 3,374 1 0 296.4
2002 Q1 999 0 0 0.0
2001 Q4 2,327 2 0 859.5
2001 Q3 3,520 0 0 0.0
2001 Q2 3,407 2 0 587.0
2001 Q1 1,587 0 0 0.0
2000 Q4 2,682 1 0 372.9
2000 Q3 4,186 0 0 0.0
2000 Q2 3,521 1 0 284.0
2000 Q1 318 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

8 on file

2017 · 1 incident

August 29, 2017 CA · Metal/Non-Metal FIRE
Granite Construction Co · Accident type, without injuries

A 12KV power line failure resulted in a 4.9 acre brush fire. A communication cable was damaged.

2008 · 1 incident

March 31, 2008 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
Granite Construction Co · Caught in, under or between a moving and a stationary object

While waiting for another employee to finish a job, injured employee decided to remove a tail-pulley on a cross-conveyor. Employee tried to remove pulley with prybar, when left hand index finger was pinched between tail-pulley and frame.

2007 · 1 incident

January 26, 2007 CA · Metal/Non-Metal belt foreman, maintenance foreman, maintenance supervisor STRIKING OR BUMPING
Granite Construction Co · Struck against stationary object

While walking out from under conveyor, ee came up too soon and hit hardhat on conveyor beam. This caused ee to lose conscieness and fall to ground. His neck and jaw were injured.

2006 · 3 incidents

June 30, 2006 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
Granite Construction Co · Over-exertion (Not Elsewhere Classified)

Employee was helping to position the bottom portion of a screen deck, when he strained his lower back.

June 6, 2006 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Granite Construction Co · Over-exertion (Not Elsewhere Classified)

Employee was holding impact gun over his head to conduct maintenance on horizontal crusher. While doing this, he strained right shoulder.

May 10, 2006 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman MACHINERY
Granite Construction Co · Contact with hot objects or substances

EE was using gas welding torch to perform maintenance on conveyor, when a piece of hot slag entered around his wrap-around safety glasses and contacted his left eye.

2005 · 1 incident

November 22, 2005 CA · Metal/Non-Metal coal/ore shovel operator, shoveler, power shoveler SLIP OR FALL OF PERSON
Granite Construction Co · Fall onto or against objects

While walking down a bank of pit material ee slipped and struck his hand right on a sharp rock causing a small laceration to his little finger.

2000 · 1 incident

September 27, 2000 CA · Metal/Non-Metal backhoe operator, trackhoe operator, crane operator POWERED HAULAGE
Parnum Paving, Inc. · Over-exertion (Not Elsewhere Classified)

WHILE OPERATING LOADER IN THE PIT AND FEEDING THE CRUSHER, EMPLOYEE SAID THAT THE SEAT ON THE LOADER WAS BROKEN. SUPERVISOR LOOKED AT THE SEAT AND FOUND SOME WEAR IN THE ADJUSTMENTS BUT THERE WERE NO LOOSE PIECES AND SEAT WAS NOT LOOSE.

For insurers, brokers, and safety consultants

The full compliance file on Highway 175 Quarry

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.

Get the report ($149) See a sample report Monitor a whole book of operators, $99/mo