Mining Incidents

LYTLE CREEK PIT Metal/Non-Metal

Controlled by Cemex S A
Rialto, San Bernardino County, CA  ·  Active
MSHA Mine ID: 0405216

Watch this mine

Email me when a new MSHA incident is filed at LYTLE CREEK PIT.

Fatalities
0
Total incidents
36
Years on record
2000–2026
Latest incident
Mar 2026
Compliance record
MSHA citations since 2000
229
citations
38
significant & substantial
$63,750
proposed penalties
$54,397
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 27,226 0 0 0.0
2025 Q3 25,731 0 0 0.0
2025 Q2 30,737 3 0 97.6
2025 Q1 32,902 0 0 0.0
2024 Q3 27,905 0 0 0.0
2024 Q2 23,882 3 0 125.6
2023 Q4 4,862 0 0 0.0
2023 Q1 2,535 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

36 on file

2026 · 1 incident

March 13, 2026 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
CEMEX Construction Materials Pacific, LLC · Struck by... (Not Elsewhere Classified)

Employee sustained a laceration to EE's right knee while cutting with a hand tool during a maintenance task.

2025 · 1 incident

February 26, 2025 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
CEMEX Construction Materials Pacific, LLC · Caught in, under or between a moving and a stationary object

EE flip a manual gate to chute EE opened the metal door and secured the safety chain; EE bumped the metal door causing the chain that secures the door to come loose, the door fell back down and smashed the employee's finger The EE was wearing safety gloves when incident occurred Employee's finger index nail was smashed and employee sustained a fraction finger

2024 · 3 incidents

September 10, 2024 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer POWERED HAULAGE
CEMEX Construction Materials Pacific, LLC · Struck against a moving object

Employee was operating the Komatsu WA900 wheel loader when employee applied the service brakes, employee felt a sharp pain in lower back.

March 2, 2024 CA · Metal/Non-Metal belt foreman, maintenance foreman, maintenance supervisor POWERED HAULAGE
CEMEX Construction Materials Pacific, LLC · Struck against a moving object

Employee was moving a 40' container with a boom forklift, during the process the forklift over turned causing the employee to hit the right side of their head on the window. Employee sustained a small laceration, receiving five staples.

2022 · 2 incidents

2021 · 2 incidents

June 28, 2021 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech OTHER
CEMEX Construction Materials Pacific, LLC · Bodily reaction, (Not Elsewhere Classified)

Employee bent over to pick up a hammer and felt pinch in lower back. This caused a lumbar strain.

2013 · 1 incident

August 3, 2013 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
CEMEX Construction Materials LP · Struck by... (Not Elsewhere Classified)

Employee was using a razor knife to notch a hole in the skirt rubber for cone crusher #2 when he cut the tip of his left thumb. The injury required stitches.

2012 · 2 incidents

March 28, 2012 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
CEMEX Construction Materials LP · Fall to the walkway or working surface

Employee had completed his lunch and was returning to the water truck when he attempted to step over one of the indents designated as equipment "ready line" at which point he lost his footing, slipped and fell spraining his right knee.

January 7, 2012 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
CEMEX Construction Materials LP · Over-exertion (Not Elsewhere Classified)

The miner was performing the routine task of cleaning around a screen support structure when he inadvertently stepped off of the concrete foundation to the surrounding grade; twisting his knee.

2011 · 1 incident

August 22, 2011 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
CEMEX Construction Materials LP · Struck by... (Not Elsewhere Classified)

The miner was utilizing a utility knife to notch out a piece of skirt board rubber. The miner was first using a dull blade. He changed the blade, began cutting towards his left hand while using his right. The knife jumped and cut his index finger and palm of his left hand needing 4 stitches in said index finger. Gloves were not being worn.

2010 · 2 incidents

September 23, 2010 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
CEMEX Construction Materials LP · Struck by flying object

As employee was removing a wear plate from the bucket of the Komatsu WA900 loader with a sledge hammer a piece of metal chipped off and embedded into his left inner thigh.

February 23, 2010 CA · Metal/Non-Metal welder (shop) SLIP OR FALL OF PERSON
CEMEX Construction Materials LP · Fall from headframe, derrick or tower

Inappropriate personal fall protection, he tied off in a unsafe area, caused employee to fall while taking down a surge bunker off the side of a wet tower. Injuries were a small laceration to the back of his head and a broken right forearm.

2009 · 1 incident

June 10, 2009 CA · Metal/Non-Metal electrician, lineman HANDLING OF MATERIALS
CEMEX Construction Materials LP · Over-exertion (Not Elsewhere Classified)

Employee was pulling wire inside a bucket and two fingers became numb being in a cramped position for an extended period of time.

2008 · 2 incidents

February 11, 2008 CA · Metal/Non-Metal clerk, timekeeper, office worker, director of sales OTHER
CEMEX Construction Materials LP · Absorption of radiations, caustics, toxic and noxious substances

Employee was stung by a bee on her right hand and as a result swelling occurred and had to be transported to the clinic for treatment.

2007 · 2 incidents

June 28, 2007 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator POWERED HAULAGE
CEMEX Construction Materials LP · Struck against a moving object

As EE was operating his loader, he drove over some rough terrain, and injured his back.

March 21, 2007 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman POWERED HAULAGE
CEMEX Construction Materials LP · Struck by falling object

The laborer was trying to secure a large rock inside the bucket of a skid steer when the operator of the skid steer accidentally dropped the bucket on the laborers foot. The extent of the injury is not known at this time.

2006 · 3 incidents

January 20, 2006 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
CEMEX Construction Materials LP · Struck against stationary object

Employee was in a chute taking measurements and cut his right hand on a piece of sharp metal protruding inside the chute.

January 10, 2006 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
CEMEX Construction Materials LP · Struck by falling object

Employee was trying to put back a steel cover over a conveyor and the cover got stuck. While trying to push the cover down, he got his right thumb in the way; the cover dropped down and smashed his thumb. Employee fractured his right thumb and also received 15 stitches.

January 4, 2006 CA · Metal/Non-Metal belt foreman, maintenance foreman, maintenance supervisor SLIP OR FALL OF PERSON
CEMEX Construction Materials LP · Fall to the walkway or working surface

Employee was walking down a catwalk,tripped and fell injuring his right wrist. *Employee did not report this injury until 2/13/06 which is when it became reportable.*

2005 · 5 incidents

December 12, 2005 CA · Metal/Non-Metal electrician, lineman HANDLING OF MATERIALS
CEMEX Construction Materials LP · Over-exertion in pulling or pushing objects

EMPLOYEE WAS HELPING SPLICE A BELT WHEN HE SPRAINED HIS RT. WRIST. EE WAS PULLING ON THE BELT WITH BOTH HANDS & JUST SPRAINED HIS WRIST.

August 1, 2005 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDLING OF MATERIALS
CEMEX Construction Materials LP · Over-exertion (Not Elsewhere Classified)

Employee was climbing up onto his loader and when he lifted his leg he felt a pinch and some pain in his lower back.

May 11, 2005 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
CEMEX Construction Materials LP · Struck by... (Not Elsewhere Classified)

The empoyee was cutting through a waterpump hose with a razor knife in a tunnel and cut his left thumb in the process. The employee went to the clinic and was given five stitches in his left thumb.

March 13, 2005 CA · Metal/Non-Metal crane operator, mobile equipment operator (meo), dragline operator, dropball operator, rigger SLIP OR FALL OF PERSON
CEMEX Construction Materials LP · Over-exertion (Not Elsewhere Classified)

OUR EMPLOYEE WAS DRIVING HIS LOADER TRUCK TO OUR MECHANIC SHOP ON OUR FIELD AND WHEN HE STEPPED OUT OF HIS TRUCK HE STEPPED ONTO UNEVEN GROUND AND AND HIS FOOT TWISTED, HE THEN REACHED HIS LEFT ARM OUT TO CATCH HIMSELF AND HURT HIS LEFT SHOULDER IN THE PROCESS.

February 5, 2005 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
CEMEX Construction Materials LP · Fall onto or against objects

EE AND OTHER EE WERE SHOVELING IN THE #3 ROCK TUNNEL WHEN EE SLIPPED AND FELL HITTING HEAD AGAINST THE CONVEYOR STRUCTURE. EE HAD A CUT ON NOSE AND NOSE WAS BLOODY. EE WAS DISORIENTED, AND 911 WAS CALLED.

2004 · 2 incidents

July 10, 2004 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator SLIP OR FALL OF PERSON
CEMEX Construction Materials LP · Fall from machine

EE MISSED THE SECOND STEP COMING DOWN HIS LOADER AND FELL OFF TO THE GROUND, ONTO HIS BACK.

March 30, 2004 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
CEMEX Construction Materials LP · Fall from machine

HE WAS CLIMBING UP THE LADDER AND HIS FOOT SLIPPED OFF THE STEP AND HE LOST HIS GRIP AND FELL TO THE GROUND APPROX. 7' AND LANDED ON HIS RIGHT FOOT.

2003 · 5 incidents

December 8, 2003 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
CEMEX Construction Materials LP · Struck by... (Not Elsewhere Classified)

ee was helping in maintenance to remove a worn out pulley. ee tood the bolts out & when he went to push the pulley out, it slid down & smashed his left index finger.

October 18, 2003 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
CEMEX Construction Materials LP · Struck against a moving object

Ee was operating the 777 & hit a pot hole and the seat suspension was not operating properly and hurt his back. EE told us about this on the 30th of Oct that he hurt his back not on the 18th.

October 9, 2003 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
CEMEX Construction Materials LP · Over-exertion (Not Elsewhere Classified)

CLIMBING DOWN OFF THE 992 LOADER BEHIND MINE OFFICE TO USE RESTROOM, EMPLOYEE STEPPED ON A ROCK AND TWISTED HIS ANKLE.

2000 · 1 incident