Mining Incidents

Rockwood Plant Metal/Non-Metal

U S Silica Company · Surface
Controlled by USS Holdings Inc
Rockwood, Wayne County, MI  ·  Active
MSHA Mine ID: 2000608

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Fatalities
0
Total incidents
9
Years on record
2000–2021
Latest incident
May 2021
Compliance record
MSHA citations since 2000
190
citations
30
significant & substantial
$31,869
proposed penalties
$29,155
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 8,371 2 0 238.9
2025 Q3 9,498 2 0 210.6
2025 Q2 11,328 0 0 0.0
2025 Q1 7,620 5 0 656.2
2024 Q4 11,895 0 0 0.0
2024 Q2 12,285 0 0 0.0
2024 Q1 4,391 5 1 1138.7
2023 Q4 7,959 1 1 125.6
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
No fatalities recorded at this mine.

Reportable incidents

9 on file

2021 · 1 incident

May 26, 2021 MI · Metal/Non-Metal dryer operator, kiln operator, dry plant operator, fluid operator, bed dryer operator HANDLING OF MATERIALS
U S Silica Company · Absorption of radiations, caustics, toxic and noxious substances

Miner was outside dryer assisting with cleaning out of lower plenum, unknowingly standing in hot sand causing a minor burn to the side of EE's right foot. First Aid incident until doctor visit on 6-28-21 where EE received restricted duty.

2020 · 2 incidents

September 5, 2020 MI · Metal/Non-Metal security guard, watchman POWERED HAULAGE
U S Silica Company · Caught in, under or between a moving and a stationary object

The IE is a security guard. EE lowered a chain across a roadway, drove forward a few feet with EE's left leg outside the vehicle and the leg jammed into the ground causing EE's left knee to be injured with a break of a bone in the knee.

April 17, 2020 MI · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
U S Silica Company · Struck against stationary object

In the process of loading a railcar, the affected employee received a laceration on right hand due to inadvertent contact with the loadout spout. The laceration required 5 stitches to close which prevented the employee from using that hand for the employee's job.

2014 · 1 incident

March 7, 2014 MI · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
U S Silica Company · Caught in, under or between a moving and a stationary object

Dust from is controlled by a Torrit dry filter. The dry filter blower motor was locked out and guards and belts removed to service bearings. Hazards of belt replacement were discussed among employees prior to task. During belt replacement, employee caught finger between belt and sheave. Right hand ring finger tip was fractured and lacerated requiring medical treatment.

2011 · 1 incident

January 11, 2011 MI · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
U S Silica Company · Fall from ladders

EE was cutting down 6" pipe with torch while standing on the 2nd rung of a ladder. His retractable lanyart line was under pipe when he cut the pipe free the pipe pulled EE off of the ladder making him fall to the floor.

2004 · 1 incident

October 27, 2004 MI · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
U S Silica Company · Struck against stationary object

Employee was removing heat tape from tall oil pipe. Employee's rib cage was leaning against the handrail. When employee reached over the handrail to pull the heat tape off, pressure was exerted on his right rib cage resulting in fracture.

2003 · 2 incidents

September 27, 2003 MI · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
U S Silica Company · Fall from scaffolds, walkways, platforms

EE WALKED OUT ONTO THE WET TRANSFER CONVEYOR CATWALK TO INSPECT #5 CONVEYOR. THE CATWALK GAVE WAY & THE EE DROPPED 20FT TO THE DRYER ROOM FLOOR.

March 16, 2003 MI · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
U S Silica Company · Caught in, under or between a moving and a stationary object

EE WAS ATTEMPTING TO OPEN BOTTOM SLIDEGATE ON RAILCAR WITH A PRYBAR. THE PRYBAR GAVE WAY THE EE FELL FORWARD, CAUSING HIS LEFT HAND TO BECOME WEDGED BETWEEN THE PRYBAR & THE RAILROAD TRACK. THE FIFTH FINGER ON THE EE'S LEFT HAND WAS LACERATED & REQUIRED 10 STITCHES.

2000 · 1 incident

March 28, 2000 MI · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
U S Silica Company · Fall from machine

AT 8:00 AM EMPLOYEE DROVE TO QUARRY TO CHECK ENGINE OIL ON #47 988B FRONT END LOADER. EMPLOYEE CLIMBED THE LADDER TO CHECK OIL. WHILE DESCENDING THE LADDER BROKE, CAUSING THE EMPLOYEE TO FALL, STRIKING HIS LEFT SIDE AGAINST THE LADDER FRAME.