Mining Incidents

LEXINGTON QUARRY Metal/Non-Metal

CalMat Co · Surface
Controlled by Vulcan Materials Company
LOS GATOS, Santa Clara County, CA  ·  Active
MSHA Mine ID: 0400946

LEXINGTON QUARRY has $43K in proposed MSHA penalties and $0 outstanding across 5 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
31
Years on record
1988–2026
Latest incident
Apr 2026
Compliance record
MSHA citations since 2000
146
citations
27
significant & substantial
$42,970
proposed penalties
$30,283
paid to date
70% of proposed penalties paid to date, a $12,687 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
69
inspections on record
937
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: 937 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

LEXINGTON QUARRY has $43K in proposed MSHA penalties and $0 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.
$43K
proposed penalties
$30K
current assessed
$30K
paid to date
$0
outstanding
145 assessments are final orders; 5 contested dockets.
As of the most recent assessment on 2025-06-17.
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 2,848 0 0 0.0
2025 Q3 2,991 0 0 0.0
2025 Q2 3,126 1 0 319.9
2025 Q1 3,202 0 0 0.0
2024 Q4 3,195 1 0 313.0
2024 Q3 3,272 0 0 0.0
2024 Q2 3,289 2 0 608.1
2024 Q1 3,383 3 0 886.8
Show 96 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 3,890 1 0 257.1
2023 Q3 4,060 0 0 0.0
2023 Q2 5,344 3 0 561.4
2023 Q1 4,639 1 0 215.6
2022 Q4 4,765 0 0 0.0
2022 Q3 5,170 0 0 0.0
2022 Q2 4,666 2 1 428.6
2022 Q1 4,930 1 0 202.8
2021 Q4 4,935 0 0 0.0
2021 Q3 5,121 0 0 0.0
2021 Q2 5,023 0 0 0.0
2021 Q1 5,009 0 0 0.0
2020 Q4 4,655 0 0 0.0
2020 Q3 4,986 0 0 0.0
2020 Q2 3,929 0 0 0.0
2020 Q1 5,018 0 0 0.0
2019 Q4 4,821 2 0 414.9
2019 Q3 5,186 0 0 0.0
2019 Q2 5,083 0 0 0.0
2019 Q1 4,622 3 0 649.1
2018 Q4 4,270 0 0 0.0
2018 Q3 4,792 0 0 0.0
2018 Q2 4,236 0 0 0.0
2018 Q1 4,104 1 0 243.7
2017 Q4 3,973 0 0 0.0
2017 Q3 4,581 1 0 218.3
2017 Q2 3,649 0 0 0.0
2017 Q1 3,462 1 0 288.9
2016 Q4 4,757 0 0 0.0
2016 Q3 4,779 0 0 0.0
2016 Q2 5,019 0 0 0.0
2016 Q1 4,847 0 0 0.0
2015 Q4 5,205 0 0 0.0
2015 Q3 6,260 0 0 0.0
2015 Q2 6,050 2 0 330.6
2015 Q1 6,264 3 1 478.9
2014 Q4 6,086 0 0 0.0
2014 Q3 4,444 1 0 225.0
2014 Q2 4,754 0 0 0.0
2014 Q1 3,788 5 1 1320.0
2013 Q4 3,658 0 0 0.0
2013 Q3 3,126 0 0 0.0
2013 Q2 3,329 1 1 300.4
2013 Q1 3,193 3 0 939.6
2012 Q4 3,208 0 0 0.0
2012 Q3 3,212 0 0 0.0
2012 Q2 3,211 2 1 622.9
2012 Q1 3,403 0 0 0.0
2011 Q4 3,969 7 0 1763.7
2011 Q3 4,453 0 0 0.0
2011 Q2 3,653 4 0 1095.0
2011 Q1 2,571 6 1 2333.7
2010 Q4 2,693 0 0 0.0
2010 Q3 2,418 5 1 2067.8
2010 Q2 2,533 0 0 0.0
2010 Q1 1,926 9 3 4672.9
2009 Q4 2,208 0 0 0.0
2009 Q3 2,473 0 0 0.0
2009 Q2 2,034 1 0 491.6
2009 Q1 1,800 0 0 0.0
2008 Q4 3,374 5 1 1481.9
2008 Q3 3,361 4 1 1190.1
2008 Q2 4,480 0 0 0.0
2008 Q1 5,340 3 1 561.8
2007 Q4 6,248 0 0 0.0
2007 Q3 6,705 4 0 596.6
2007 Q2 6,606 0 0 0.0
2007 Q1 6,054 1 0 165.2
2006 Q4 7,246 0 0 0.0
2006 Q3 6,713 0 0 0.0
2006 Q2 5,845 2 1 342.2
2006 Q1 4,605 2 0 434.3
2005 Q4 5,597 0 0 0.0
2005 Q3 6,428 1 0 155.6
2005 Q2 5,253 0 0 0.0
2005 Q1 4,427 4 0 903.5
2004 Q4 5,771 0 0 0.0
2004 Q3 5,647 0 0 0.0
2004 Q2 4,658 4 1 858.7
2004 Q1 3,954 3 1 758.7
2003 Q4 4,719 9 0 1907.2
2003 Q3 5,680 0 0 0.0
2003 Q2 8,260 0 0 0.0
2003 Q1 3,969 1 0 252.0
2002 Q4 4,168 5 0 1199.6
2002 Q3 3,232 0 0 0.0
2002 Q2 4,170 5 2 1199.0
2002 Q1 3,535 4 1 1131.5
2001 Q4 3,398 0 0 0.0
2001 Q3 3,860 0 0 0.0
2001 Q2 5,448 13 6 2386.2
2001 Q1 4,067 0 0 0.0
2000 Q4 7,396 0 0 0.0
2000 Q3 6,172 4 2 648.1
2000 Q2 5,744 0 0 0.0
2000 Q1 4,524 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

31 on file

2026 · 1 incident

April 13, 2026 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
CalMat Co · Struck by falling object

While removing belts from a screen, a motor fell onto the left ring finger of the repairman, resulting in a 2cm laceration that required four stitches.

2005 · 2 incidents

September 27, 2005 CA · Metal/Non-Metal superintendent SLIP OR FALL OF PERSON
West Coast Aggregates, Inc · Fall from machine

EE was installing a wipe ont he belt press. He was standing on a conveyor in front of press. He pulled on a rope to move lever. The rope came untired and he fell to the slab below 6' He did not wear fall protection.

April 28, 2005 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
West Coast Aggregates, Inc · Struck by... (Not Elsewhere Classified)

EMPLOYEE WAS PREPARING A CONVEYOR BELT FOR SPLICING & WHILE CUTTING THE EDGE HE SLIPPED, CUTTING HIS LT. INDEX FINGER.

2004 · 2 incidents

December 21, 2004 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDTOOLS (NONPOWERED)
West Coast Aggregates, Inc · Over-exertion (Not Elsewhere Classified)

EE WAS CLEANING THE RETURN ROLLERS ON THE JAW UNDER CONVEYOR WITH A HAMMER

November 5, 2004 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
West Coast Aggregates, Inc · Fall to the walkway or working surface

EE was running the dozer on bench #4, he climbed the slope to talk to other ee, when he got to the edge he lost balance and fell down about 15', he landed on his hands, he cut the right hand thumb.

2003 · 5 incidents

August 27, 2003 CA · Metal/Non-Metal mine manager, mine foreman, mine owner OTHER
West Coast Aggregates, Inc · (Not Elsewhere Classified)

THE EE WAS RUNNING UP 3 FLIGHTS OF STAIRS TO GETTO THE TOP OF THE PLANT. HE HAD BEEN WORKING 6 DAYS A WEEK FOR 3 MONTHS SETTING UP A NEW PLANT & RUNNING UP 3 FLIGHTS OF STAIRS NUMEROUS TIMES PER DAY PLUS THE STRESS OF THE NEW PLANT NOT RUNNING CORRECTLY.

June 27, 2003 CA · Metal/Non-Metal miner, nec SLIP OR FALL OF PERSON
West Coast Aggregates, Inc · Fall from ladders

EE SAID WHEN HE WAS ON THE LADDER OPENING & CLOSING A VALVE TO TAKE MUD OUT OF A TANK, THE LOADER BUCKET TOUCHED THE LADDER AND HE FELL INSIDE THE LOADER BUCKET.

May 24, 2003 CA · Metal/Non-Metal mine manager, mine foreman, mine owner HANDLING OF MATERIALS
West Coast Aggregates, Inc · Caught in, under or between (Not Elsewhere Classified)

INSTALLING A MOTOR GUARD ON THE CONE CRUSHER, EE LOST HIS STEP AND HIS LEFT HAND GOT CAUGHT BETWEEN THE MOTOR AND THE MOTOR GUARD, SMASHING HIS MIDDLE FINGER.

May 17, 2003 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator SLIP OR FALL OF PERSON
West Coast Aggregates, Inc · Over-exertion (Not Elsewhere Classified)

HE WAS WALKING AROUND THE FEEDER AND HE TWISTED HIS ANKLE.

2001 · 1 incident

July 28, 2001 CA · Metal/Non-Metal mine manager, mine foreman, mine owner HANDLING OF MATERIALS
West Coast Aggregates, Inc · Over-exertion in lifting objects

HE WAS CHANGING ONE SCREEN ON THE 6 BY 18 AND HE LIFTED THE SCREEN BY HIS SELF, AND HE FELT TESTICLES PAIN.

1999 · 2 incidents

November 11, 1999 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDTOOLS (NONPOWERED)
West Coast Aggregates, Inc · Struck by... (Not Elsewhere Classified)

WHILE CUTTING, BELTING ON THE RAZOR SLIPPED AND CUT EE'S RIGHT KNEE.

April 13, 1999 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)
West Coast Aggregates, Inc · Struck by... (Not Elsewhere Classified)

WHILE CUTTING BEOLTING THE RAZOR SLIPPED AND CUT EE S LEG.

1998 · 2 incidents

September 29, 1998 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
West Coast Aggregates, Inc · Over-exertion (Not Elsewhere Classified)

SHOVELING FROM AROUND PLANT.

August 31, 1998 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)
West Coast Aggregates, Inc · Caught in, under or between (Not Elsewhere Classified)

WHILE REMOVING NOT ON BOLT WRENCH SLIPPED & MASHED THUMB

1997 · 1 incident

March 24, 1997 CA · Metal/Non-Metal greaser, grease man, oiler, lube man, dragline oiler MACHINERY
West Coast Aggregates, Inc · Flash burns (welding)

EE WAS WELDING INSIDE OF OUR NEW CHUTES. AND WITH THE REFLECTION HE RECEIVED FLASH BURN IN HIS EYES.

1995 · 5 incidents

September 26, 1995 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer MACHINERY
West Coast Aggregates, Inc · Over-exertion (Not Elsewhere Classified)

EE WAS RIPPING ROCK AND THE BOUNCING CAUSED HIM TO HAVE CRAMPS.

March 17, 1995 CA · Metal/Non-Metal welder (shop) MACHINERY
West Coast Aggregates, Inc · Struck by... (Not Elsewhere Classified)

EE WAS CUTTING LEGS OFF A CONVEYOR THAT HAD BLOW OVER IN A STORM. WE THOUGHT ALL THE PREASURE WAS OFF, BUT WHEN THE LAST BOLT WAS CUT THE LEG BROKE FREE AND HIT HIM IN THE HEAD CUTTING BOTH SI DES.

March 3, 1995 CA · Metal/Non-Metal assistant mine foreman, assistant mine manager HANDLING OF MATERIALS
West Coast Aggregates, Inc · Caught in, under or between a moving and a stationary object

HE WAS LOADING SCRAP METAL INTO A LOADER BUCKET & HIS FINGER WAS PINCHED IN BETWEEN THE LOADER BUCKET & A PIECE OF METAL.

1993 · 1 incident

June 3, 1993 CA · Metal/Non-Metal beltman, conveyor man, conveyor belt worker, mobile bridge carrierman, feeder operator, conveyor rider HANDTOOLS (NONPOWERED)
West Coast Aggregates, Inc · Caught in, under or between a moving and a stationary object

INJURED WAS HELPING TO INSTALL THE REAR SUPPORT ON A 980-C WHILE HE WAS HOLDING IT THE MECHANIC PRYING IT OVER, AND IT FELL TO THE GROUND SMASHING HIS FINGER TO THE GROUND.

1992 · 4 incidents

November 5, 1992 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
West Coast Aggregates, Inc · Fall onto or against objects

EE WAS GETTING OFF THE DOZER TO GET OIL FOR THE MOTOR THERE WAS A VERY LIGHT RAIN. HE SLIPPED AND LANDED ON HIS BACK ON THE DOZER ARM.

May 12, 1992 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman STEPPING OR KNEELING ON OBJECT
West Coast Aggregates, Inc · Struck against stationary object

I.NAME TRIPPED AND SPRAIN ANKLE WHILE TAKING PLANTS/TREES DOWN TO BENCH 3 TO BE PLANTED.

January 3, 1992 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator MACHINERY
West Coast Aggregates, Inc · Over-exertion (Not Elsewhere Classified)

INJURED WAS USING A HANDHELD VIBRATING SANDER TO PREPARE A TRUCK FOR PAINTING AND HIS HAND BECAME SWOLLEN.(RIGHT HAND).

1991 · 2 incidents

July 30, 1991 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator MACHINERY
West Coast Aggregates, Inc · Over-exertion (Not Elsewhere Classified)

STRETCHED AND PULLED A GROIN MUSCLE.

1990 · 2 incidents

August 9, 1990 CA · Metal/Non-Metal HANDTOOLS (NONPOWERED)
West Coast Aggregates, Inc · Over-exertion (Not Elsewhere Classified)

I NAME WAS USING A PICK(HAND HELD) TO BREAK LOSE BUILDUP MATERIAL UNDER A STACKING BELT WHEN HE FELT A POP IN THE SMALL OF HIS BACK

February 5, 1990 CA · Metal/Non-Metal greaser, grease man, oiler, lube man, dragline oiler HANDLING OF MATERIALS
West Coast Aggregates, Inc · Over-exertion in lifting objects

I,NAME WAS MOVING A METAL RACK AND HURT HIS BACK. LIFTING AND PUSHING AT SAME TIME.

1988 · 1 incident

July 12, 1988 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Dastrup Paving Company · Struck by... (Not Elsewhere Classified)

WE WERE PLACING BELT COVER STEEL COVER CONTACTED AN EMPLOYEE'S RIGHT FOREARM CAUSING DEEP GASH

For insurers, brokers, and safety consultants

The full compliance file on LEXINGTON 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.