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Colowyo Coal Company L P operator

Controlled by Tri-State Generation and Transmission Assn Inc
MSHA operator ID: P23440

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Email me when a new MSHA incident is filed at any Colowyo Coal Company L P mine.

Fatalities
1
Total incidents
113
Mines on record
1
Years on record
2000–2025
Compliance record
MSHA citations since 2000
615
citations
113
significant & substantial
$511,635
proposed penalties
$435,215
paid to date
Source: MSHA violations 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

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.