Mining Incidents
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Westmoreland San Juan Mining LLCOperator

Controlled by Westmoreland Mining Holdings LLC
MSHA Operator ID: P15965
Fatalities
1
Total incidents
542
Mines on record
4
Years on record
2000–2026

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
#663of 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 Westmoreland San Juan Mining LLC. Useful for 105(c) defense intake, FMSHRC docket prep, and active client monitoring.

Top causes

  • MACHINERY1 fatality · 54 non-fatal
  • HANDLING OF MATERIALS169 non-fatal
  • SLIP OR FALL OF PERSON94 non-fatal
  • FALL OF ROOF OR BACK67 non-fatal
  • HANDTOOLS (NONPOWERED)36 non-fatal
  • POWERED HAULAGE33 non-fatal

Incident timeline

2026
1
2025
3
2024
1
2023
3
2022
10
2021
10
2020
6
2019
9
2018
8
2017
8
2016
22
2015
18
2014
30
2013
20
2012
23
2011
15
2010
13
2009
22
2008
37
2007
31 (1f)
2006
29
2005
37
2004
34
2003
49
2002
60
2001
28
2000
15

Mines on record

Fatalities under this operator

1 recorded
Westmoreland San Juan Mining LLC
Struck by... (Not Elsewhere Classified)

Conveyor Belt broke free from feeder breaker and struck employee on his back, knocking him down.