Mining Incidents

Lost Hills Mining Metal/Non-Metal

Lost Hills, Kern County, CA  ·  Active
MSHA Mine ID: 0400929

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Fatalities
0
Total incidents
18
Years on record
2002–2025
Latest incident
Apr 2025
Compliance record
MSHA citations since 2000
93
citations
25
significant & substantial
$106,138
proposed penalties
$79,859
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 9,571 0 0 0.0
2025 Q3 9,114 0 0 0.0
2025 Q2 9,471 0 0 0.0
2025 Q1 8,256 2 1 242.2
2024 Q4 10,584 0 0 0.0
2024 Q3 10,937 0 0 0.0
2024 Q2 11,904 3 1 252.0
2024 Q1 9,350 4 2 427.8
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
No fatalities recorded at this mine.

Reportable incidents

18 on file

2025 · 1 incident

April 29, 2025 CA · Metal/Non-Metal ball/rod/pebble/hand/limestone/dry mill operator, roller operator POWERED HAULAGE
Lost Hills Mining LLC · Caught in, under or between running or meshing objects

The employee was attempting to fix a cover over the hydraulic line connection between the wheels of a radial stacker while it was still in motion. The employee's right foot got caught by the rotating tires and was pinned under a mobile stacker tire and the surface. A possible broken bone in the right ankle/lower leg.

2023 · 1 incident

January 23, 2023 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Lost Hills Mining LLC · Contact with hot objects or substances

The miner was performing metal work on ramps. While welding overhead hot slag entered miner's boot burning the miner's foot. The employee waited approximately 2 weeks before mentioning that the foot got burned. Once management was notified of the burn employee was told to go directly to H.R and visit Doctor for evaluation.

2022 · 1 incident

April 20, 2022 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer POWERED HAULAGE
Lost Hills Mining LLC · Struck against a moving object

Operating a wheel loader traveling east toward the scalehouse on dirt road. While traveling loader bucket contacted ground causing loader bucket to dig into dirt and loader to come to an abrupt stop. Srape marks appear to begin 150 feet before loader stopped. Operator hit face on the windshield causing bloody nose and minor lacerations on face.

2020 · 2 incidents

August 12, 2020 CA · Metal/Non-Metal FIRE
H M Holloway Inc · Accident type, without injuries

EE loading material, noticed fluid spraying onto windscreen. Stopped machine, did not shut engine off. Called superintendent to notify them. Liquid ignited; EE evacuated machine, ran 20 yards away. Cab was engulfed. EE reported no warning, no problem prior to incident. EE not hurt, was examined. Fire dept. on scene 5-10 min. after called. Investigation being conducted.

May 9, 2020 CA · Metal/Non-Metal clerk, timekeeper, office worker, director of sales ALL OTHER OCCUPATIONAL ILLNESSES
H M Holloway Inc · (Not Elsewhere Classified)

Employee was diagnosed with pneumonia on 5/8/20. It turned to double pneumonia on 5/9/20. On 5/10/20 EE was informed they also had valley fever. On, 5-14-20, EE decided they were going to file a workman's comp. claim against the company, saying the valley fever was contracted at the mine. There's no evidence from the dr's that the valley fever came from the minesite.

2019 · 2 incidents

October 8, 2019 CA · Metal/Non-Metal clerk, timekeeper, office worker, director of sales OTHER
H M Holloway Inc · (Not Elsewhere Classified)

Admin employee was getting ready to leave for the day, went to use the restroom and had what we believe to be a heart attack.

August 30, 2019 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
H M Holloway Inc · Over-exertion (Not Elsewhere Classified)

Employee was standing on a ladder, putting DEF fluid in a scraper and the ladder shifted causing EE to twist EE's back

2018 · 1 incident

October 1, 2018 CA · Metal/Non-Metal miner, prospector, nec SLIP OR FALL OF PERSON
H M Holloway Inc · Fall from machine

EE was dismounting a loader, misjudged the steps and missed the last step. Injury was lower back strain NOTE: No lost time occurred until 9-6-2019 when we could no longer accommodate light duty work status

2015 · 1 incident

January 10, 2015 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer POWERED HAULAGE
H M Holloway Inc · Struck against a moving object

Employee was loading his 210 Michigan scraper when he heard a loud pop from behind causing him to turn around quickly, straining his neck

2014 · 1 incident

January 10, 2014 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
H M Holloway Inc · Over-exertion in lifting objects

Employee was in the process of re-mounting a tire to the rear axle of a water truck. As he was positioning the tire with two bars underneath for leverage, he twisted his body, causing back pain.

2013 · 3 incidents

August 3, 2013 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator POWERED HAULAGE
H M Holloway Inc · Struck against a moving object

Employee was operating a scraper when he got stuck, the rig started bouncing and hit his head in the cab. He received a cut to the top of his head.

July 26, 2013 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech STEPPING OR KNEELING ON OBJECT
H M Holloway Inc · Struck against stationary object

Employee was walking down the stairs of the catwalk at the mill when he stepped on a rock and twisted his right ankle

July 12, 2013 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
H M Holloway Inc · Fall onto or against objects

Employee was exiting the New Holland skid-steer loader when he slipped causing him to hit his heel on the bucket of the loader.

2010 · 1 incident

June 21, 2010 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
H M Holloway Inc · Over-exertion (Not Elsewhere Classified)

EE was changing engine belts on the water truck (Unit 118).He dropped a socket and turned to grab it between the bumper and tire. When he tried to grab it he said "I felt something in my back pull".

2008 · 1 incident

February 19, 2008 CA · Metal/Non-Metal mechanic helper MACHINERY
H M Holloway Inc · Struck by... (Not Elsewhere Classified)

Employee was placing a whole saw bit in a hand drill. He had his left hand on the saw bit and pressed the start trigger, injuring his left hand.

2004 · 1 incident

July 26, 2004 CA · Metal/Non-Metal mechanic helper SLIP OR FALL OF PERSON
H M Holloway Inc · Fall onto or against objects

Employee was shoveling dirt off of a Michigan 210H scraper stinger when he slipped. He tried to catch himself hitting his right wrist on the tire.

2003 · 1 incident

September 25, 2003 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
H M Holloway Inc · Struck against stationary object

STANDING/ WORKING ON MACHINERY TURNED TO LEFT SIDE AND HIT LEFT KNEE.

2002 · 1 incident

August 2, 2002 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
H M Holloway Inc · Struck by falling object

EMPLOYEE WAS ATTEMPTING TO INSTALL A HYDRAULIC PUMP ON A MICHIGAN 210HB WHEN IT FELL INTO HIS LAP HURTING HIS BACK.