Mining Incidents
Search Operators Mines Alerts Research Controllers About
English Español
← Back to search

Hughson Aggregates Metal/Non-Metal

Hughson, Stanislaus County, CA  ·  Active
MSHA Mine ID: 0401769

Watch this mine

Email me when a new MSHA incident is filed at Hughson Aggregates.

Fatalities
0
Total incidents
5
Years on record
2000–2018
Latest incident
Aug 2018
Compliance record
MSHA citations since 2000
105
citations
33
significant & substantial
$28,351
proposed penalties
$27,313
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 1,386 0 0 0.0
2025 Q3 1,095 0 0 0.0
2025 Q2 467 0 0 0.0
2025 Q1 2,931 2 0 682.4
2024 Q4 3,208 0 0 0.0
2024 Q3 3,261 0 0 0.0
2024 Q2 485 0 0 0.0
2024 Q1 2,479 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

5 on file

2018 · 1 incident

August 15, 2018 CA · Metal/Non-Metal crusher attendant/operator, pan feeder operator/worker HANDTOOLS (NONPOWERED)
Calaveras Materials LLC · Struck by... (Not Elsewhere Classified)

Employee was using a locking blade utility knife to cut a section of urethane. The employee cut into the material and the utility knife got stuck. The employee started to twist the knife and extra force to cut the material. The knife slipped and the employee was not able to stop the knife before it struck the employee's arm causing a laceration to wrist area.

2017 · 1 incident

May 15, 2017 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
Calaveras Materials LLC · Struck by... (Not Elsewhere Classified)

While working on Simons Crusher the miner was loosening the bolts to the crusher spring pack when the bottle jack supporting the spring pack bottom plate displaced out towards the miner from the bottom of the spring pack plate striking the minor on the left forearm.

2011 · 1 incident

September 29, 2011 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Calaveras Materials LLC · Struck by falling object

Unknown rock or debris falling down chute into work area. Striking Employee in Genitals area causing a contusion.

2002 · 1 incident

April 2, 2002 CA · Metal/Non-Metal driller, highwall operator, highwall drill operator SLIP OR FALL OF PERSON
Calaveras Materials LLC · Fall from scaffolds, walkways, platforms

WALKING ON CATWALK GOING TO CONTROL ROOM SLIPPED OFF CATWALK AND FELL AGAINST HANDRAIL.

2000 · 1 incident

April 14, 2000 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Calaveras Materials LLC · Struck by... (Not Elsewhere Classified)

EE WAS LIFTING SCREEN TO WORK ON REPAIR WHEN HECCUT HIS LEFT FOREARM