Mining Incidents

Superior Silica Sands LLCOperator

Controlled by PIMCO; HPS Investment Partners; Oak Hill Advisors
MSHA Operator ID: 0092166
Fatalities
2
Total incidents
38
Mines on record
8
Years on record
2010–2025

Safety benchmark

Recorded fatalities relative to other operators with a fatal MSHA history. Percentile is computed across the 739 operators with at least one recorded fatality.

Fatality-count percentile
73th

More recorded fatalities than 73% of operators on file.

Rank
#111of 739

Position when operators are sorted by recorded fatalities.

Vs industry mean
1.2×

Industry mean: 1.6 fatalities per fatal-history operator.

This operator
2
Industry mean
1.6
Industry median
1
Peers at similar incident volume

Methodology: percentile and rank computed across MSHA operators with at least one recorded fatality. Industry mean is the average across that same population. Peers are sampled by closest total-incident count, regardless of fatality outcome.

For counsel + compliance teams

Get an email the moment a new MSHA-reportable accident lands at any mine on file under Superior Silica Sands LLC. Useful for 105(c) defense intake, FMSHRC docket prep, and active client monitoring.

Top causes

  • SLIP OR FALL OF PERSON1 fatality · 7 non-fatal
  • NONPOWERED HAULAGE1 fatality
  • HANDLING OF MATERIALS15 non-fatal
  • MACHINERY5 non-fatal
  • OTHER4 non-fatal
  • POWERED HAULAGE2 non-fatal

Incident timeline

2025
1
2024
1
2023
1 (1f)
2022
4
2021
3
2020
3
2019
4
2018
9 (1f)
2017
4
2015
1
2013
1
2012
5
2010
1

Mines on record

Fatalities under this operator

2 recorded
Fall from machine

Improper procedure performed, improper PPE, and not following SOP. *A customer truck driver fell from a large container mounted on the trailer of the truck while descending the container. The customer truck driver died from the injuries on August 7, 2023.

Caught in, under or between a moving and a stationary object

On June 23, 2018 at approximately 9:20 am an employee mounted a pair of slow moving rail cars to apply the brakes. The employee fell and was struck by the pair of freewheeling hopper rail cars. The employee was fatally injured because of the fall and being struck by the moving rail cars.