Mining Incidents

Terra Firma Materials LLCOperator

Controlled by Oscar Cuellar; Nancy Cuellar Davenport
MSHA Operator ID: 0087304
Fatalities
1
Total incidents
20
Mines on record
1
Years on record
2015–2026

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
0th

More recorded fatalities than 0% of operators on file.

Rank
#715of 739

Position when operators are sorted by recorded fatalities.

Vs industry mean
0.6×

Industry mean: 1.6 fatalities per fatal-history operator.

This operator
1
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 Terra Firma Materials LLC. Useful for 105(c) defense intake, FMSHRC docket prep, and active client monitoring.

Top causes

  • OTHER1 fatality · 3 non-fatal
  • HANDTOOLS (NONPOWERED)4 non-fatal
  • MACHINERY4 non-fatal
  • HANDLING OF MATERIALS3 non-fatal
  • SLIP OR FALL OF PERSON3 non-fatal
  • POWERED HAULAGE1 non-fatal

Incident timeline

2026
1
2024
1
2023
4 (1f)
2022
2
2021
1
2020
1
2019
5
2018
2
2017
2
2015
1

Mines on record

Fatalities under this operator

1 recorded
Drowning

326 FL Excavator operator tracked over berm into Settling pond