Mining Incidents

Highway 175 Quarry Metal/Non-Metal

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

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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
Source: MSHA violations data, updated weekly.
Quarterly safety rates
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 Q2 7,628 0 0 0.0
2025 Q1 4,377 2 1 456.9
2024 Q4 4,810 0 0 0.0
2024 Q3 5,518 0 0 0.0
2024 Q2 6,707 0 0 0.0
2024 Q1 2,701 4 0 1480.9
2023 Q3 1,008 0 0 0.0
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
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.