Mining Incidents

Swenson Granite Company LLC operator

Controlled by Polycor Inc
MSHA operator ID: L00301
Fatalities
0
Total incidents
334
Mines on record
2
Years on record
1983–2026
Compliance record
MSHA citations since 2000
360
citations
103
significant & substantial
$222,586
proposed penalties
$129,739
paid to date
58% of proposed penalties paid to date, a $92,847 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
148
inspections on record
3,242
inspection hours
11.1
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.
360 citations across 3,242 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.
$223K
proposed penalties
$137K
current assessed
$130K
paid to date
$7K
outstanding
355 assessments are final orders; 7 contested dockets.
As of the most recent assessment on 2026-05-27.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.

Top causes

Incident timeline

2026
1
2025
7
2024
12
2023
5
2022
14
2021
14
2020
6
2019
8
2018
12
2017
8
2016
6
2015
5
2014
3
2013
1
2012
8
2011
5
2010
3
2009
7
2008
6
2007
6
2006
6
2005
12
2004
11
2003
7
2002
9
2001
14
2000
13
1999
7
1998
6
1997
13
1996
13
1995
9
1994
13
1993
8
1992
6
1991
7
1990
13
1989
8
1988
4
1987
5
1986
2
1985
3
1984
6
1983
2

Mines on record

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The full compliance file on Swenson Granite Company LLC

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.