Mining Incidents

Colowyo Coal Company L P operator

MSHA operator ID: P23440
Fatalities
1
Total incidents
141
Mines on record
1
Years on record
1994–2025
Compliance record
MSHA citations since 2000
615
citations
113
significant & substantial
$511,635
proposed penalties
$435,215
paid to date
85% of proposed penalties paid to date, a $76,420 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
141
inspections on record
11,566
inspection hours
5.3
citations per 100 inspection hours
This rate is recorded citations divided by MSHA inspection hours, per 100 hours. It reflects inspection effort, not mine size or production.
615 citations across 11,566 inspection hours.
Source: MSHA inspections data, updated weekly.
Penalty disposition
Differences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.
$512K
proposed penalties
$435K
current assessed
$435K
paid to date
$10
outstanding
607 assessments are final orders; 19 contested dockets.
As of the most recent assessment on 2025-03-25.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.

Top causes

Incident timeline

2025
6
2024
2
2023
8
2022
3
2021
8
2020
7
2019
3
2018
2
2017
6
2016
4
2015
1
2014
5
2013
5
2012
5 (1f)
2010
2
2009
4
2008
5
2007
1
2006
1
2005
6
2004
2
2003
5
2002
7
2001
9
2000
6
1999
3
1998
8
1997
6
1996
2
1995
8
1994
1

Mines on record

Fatalities under this operator

1 recorded
July 14, 2012 CO · Coal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver Fatality · POWERED HAULAGE
Colowyo Coal Company L P · Caught in, under or between a moving and a stationary object

Witness saw the water truck traveling downhill on Ridge road & then saw a cloud of dust. Truck traveled downhill(9% grade)struck berm on the right side of road ejected operator changed direction & traveled across road striking the berm/slope on the left side of the road. The truck overturned & came to rest. The victim did not appear to use his seat belt. Minor damage to truck.

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The full compliance file on Colowyo Coal Company L P

A dated report covering the 26-year penalty trail, line-item violation pattern, contest and docket posture, rate-normalized peer benchmark, and full fatality history. Delivered as a PDF with the underlying data as CSV.