Granite Rock Co operator
Controlled by
Peter J Lemon
MSHA operator ID: L01588
- Fatalities
- 0
- Total incidents
- 352
- Mines on record
- 5
- Years on record
- 1983–2026
Compliance record
MSHA citations since 2000
753
citations
89
significant & substantial
$189,157
proposed penalties
$163,433
paid to date
86% of proposed penalties paid to date, a $25,724 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
333
inspections on record
6,835
inspection hours
11.0
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.753 citations across 6,835 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.$189K
proposed penalties
$166K
current assessed
$163K
paid to date
$3K
outstanding
736 assessments are final orders; 59 contested dockets.
As of the most recent assessment on 2025-12-15.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Top causes
- HANDLING OF MATERIALS 101 non-fatal
- SLIP OR FALL OF PERSON 75 non-fatal
- POWERED HAULAGE 44 non-fatal
- HANDTOOLS (NONPOWERED) 42 non-fatal
- MACHINERY 34 non-fatal
- OTHER 17 non-fatal
Incident timeline
2026
1
2025
5
2024
3
2023
5
2022
4
2021
4
2020
4
2019
4
2018
7
2017
4
2016
7
2015
3
2014
8
2013
5
2012
4
2011
5
2010
3
2009
7
2008
5
2007
7
2006
15
2005
13
2004
18
2003
10
2002
16
2001
18
2000
15
1999
6
1998
9
1997
11
1996
9
1995
5
1994
5
1993
10
1992
9
1991
12
1990
12
1989
6
1988
13
1987
8
1986
8
1985
6
1984
9
1983
14
Mines on record
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The full compliance file on Granite Rock Co
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.