Mining Incidents

Mauricetown Plant Metal/Non-Metal

Controlled by USS Holdings Inc
Mauriecetown, Cumberland County, NJ  ·  Active
MSHA Mine ID: 2800526

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Fatalities
0
Total incidents
13
Years on record
2000–2026
Latest incident
Jan 2026
Compliance record
MSHA citations since 2000
100
citations
9
significant & substantial
$12,833
proposed penalties
$12,318
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 15,080 1 0 66.3
2025 Q3 13,154 1 0 76.0
2024 Q4 3,768 1 0 265.4
2024 Q3 0 0 0
2024 Q2 3,889 2 0 514.3
2024 Q1 4,198 1 0 238.2
2023 Q4 11,769 0 0 0.0
2023 Q3 18,115 3 1 165.6
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
No fatalities recorded at this mine.

Reportable incidents

13 on file

2026 · 1 incident

January 28, 2026 NJ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
U.S. Silica Company, LLC · Over-exertion (Not Elsewhere Classified)

Winter blizzard and changing weather conditions created slippery surfaces. Ice developed on top platform dust collector and created a slippery surface. After performing maintenance task to thaw frozen air lines, employee sustained a left ankle injury after ascending ladder and stepping on the top platform for accessing the dust collector resulting in restricted duty.

2023 · 1 incident

March 7, 2023 NJ · Metal/Non-Metal silo operator, bin puller, truck loader POWERED HAULAGE
U.S. Silica Company, LLC · Struck against a moving object

Employee was cleaning up Loadout area with a skid steer. The employee contacted concrete footing with the right edge of the skid steer bucket. The sudden impact propelled the employee forward and the top of their head hit the rearview mirror. Incident resulted in a laceration on their head that required 8 staples to close.

2019 · 1 incident

August 13, 2019 NJ · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
U.S. Silica Company, LLC · Over-exertion (Not Elsewhere Classified)

Employee was working in the bagging/packaging area. The table for bags dropped and left a 100 pound bag of material suspended. Employee opened the door to catch the 100 pound bag before it fell on the floor. As employee attempted to grab the bag, the 100 pound bag pulled EE's left arm backwards. Employee started physical therapy on 10/15/2019.

2018 · 1 incident

June 7, 2018 NJ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech STRIKING OR BUMPING
U.S. Silica Company, LLC · Struck against stationary object

EE contacted L-knee with a protruding steel object while servicing a maintenance truck. Contact caused L-knee pain; medical treatment noted no overt body damage, a pre-existing infection due to a pre-existing medical condition noted. Antibiotics and Doctor ordered IV antibiotics and lost days due to being admitted to hospital for 2 days for treatment of cellulitis.

2017 · 1 incident

September 20, 2017 NJ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
U.S. Silica Company, LLC · Fall to the walkway or working surface

Slip and fall injury to right knee occurred. Employee did not initially want any medical treatment. Later on employee had knee swelling and drained by Dr on 12/6/2017. Doctors diagnosis was possible meniscal tear on right knee now made this a reportable.

2014 · 2 incidents

June 3, 2014 NJ · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
U.S. Silica Company, LLC · Over-exertion in lifting objects

Employee was shoveling sand when he felt a pull in his lower back area.

April 2, 2014 NJ · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator POWERED HAULAGE
U.S. Silica Company, LLC · Caught in, under or between a moving and a stationary object

Employee was dumping a portable sand dumpster and his thumb nail on his right hand got mashed between the dumpster and backstop on the forklift.

2011 · 1 incident

November 11, 2011 NJ · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
U.S. Silica Company, LLC · Over-exertion in wielding or throwing objects

Employee was palletizing 50 lb plastic bags. He went to turn and throw bag on pallet when he felt a pop in his left shoulder.

2010 · 1 incident

June 26, 2010 NJ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
U.S. Silica Company, LLC · Struck by... (Not Elsewhere Classified)

Employee saw spray nozzle was loose on airless paint sprayce and went to thighten it. His finger was on the trigger and it discharge hitting him on his left hand palm area. This caused a small cut.

2008 · 1 incident

June 17, 2008 NJ · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman POWERED HAULAGE
U.S. Silica Company, LLC · Caught in, under or between a moving and a stationary object

Employees was holding a strap on a super sack to be moved to another location. Employee told the forklift driver to move ahead into the back right corner of strap. When the end of the forklift tine caught the tip of employees L- thumb, between the forklift tine and the strap, causing a cut.

2006 · 1 incident

March 7, 2006 NJ · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
U.S. Silica Company, LLC · Fall from scaffolds, walkways, platforms

EE was standing on wooden work platform 4" thick. He stepped off to retrieve a "bad bag" and caught the toe of his boot on the edge of the platform. He fell to the ground and struck his right knee on the concrete floor.

2001 · 1 incident

2000 · 1 incident

May 15, 2000 NJ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Better Materials Corp · Caught in, under or between a moving and a stationary object

GREASE FITTING ON FRONT END LOADER WOULD NOT TAKE GREASE. HE HELD GREASE GUN AGAINST CHEST AND PULLED LEVER WITH BOTH HANDS.