Mining Incidents

United States Gypsum Company operator

Controlled by USG Corporation
MSHA operator ID: L00537
Fatalities
2
Total incidents
772
Mines on record
16
Years on record
1983–2026
Compliance record
MSHA citations since 2000
1,876
citations
348
significant & substantial
$495,597
proposed penalties
$476,343
paid to date
96% of proposed penalties paid to date, a $19,254 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
860
inspections on record
26,244
inspection hours
7.1
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.
1,876 citations across 26,244 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.
$496K
proposed penalties
$476K
current assessed
$476K
paid to date
$8
outstanding
1,861 assessments are final orders; 18 contested dockets.
As of the most recent assessment on 2026-04-28.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.

Top causes

Incident timeline

2026
2
2025
11
2024
14
2023
11
2022
9
2021
13
2020
9
2019
9
2018
6
2017
6
2016
13
2015
4
2014
14
2013
7
2012
10
2011
10
2010
11
2009
10
2008
10
2007
17
2006
8
2005
18
2004
15
2003
13
2002
10
2001
22
2000
28
1999
23 (1f)
1998
18
1997
34
1996
42
1995
42
1994
44
1993
32
1992
29
1991
43
1990
30
1989
31 (1f)
1988
30
1987
25
1986
11
1985
10
1984
7
1983
11

Mines on record

Fatalities under this operator

2 recorded
April 8, 1999 UT · Metal/Non-Metal mine manager, mine foreman, mine owner Fatality · IGNITION OR EXPLOSION OF GAS OR DUST
United States Gypsum Company · Struck by... (Not Elsewhere Classified)

EE WAS WORKING ON THE ROD OF THE RIDE CYNDER OF THE CATERPILLAR 769C HAUL TRUCK USING AN ACETYLENE TORCH TO HEAT THE BROKEN NITROGEN VALVE. AN EXPLOSION OCCURRED CAUSING THE 113 LB ROD TO BE E XPELLED FROM THE CYLINDER STRIKING THE EE IN THESTOMACH CAUSING FATAL INTERNAL INJURIES.

January 4, 1989 VA · Metal/Non-Metal ledgeman/hand, quarry man Fatality · FALL OF ROOF OR BACK
United States Gypsum Company · Caught in, under or between collapsing material or buildings

EMP. WAS SCALING WITHOUT WARNING THE ROOF COLLAPSED. EMP DIED FORM INTERNAL INJURIES IN HIS CHEST.

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For insurers, brokers, and safety consultants

The full compliance file on United States Gypsum Company

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.