Keystone Cement Company operator
Controlled by
Elementia Materiales
MSHA operator ID: L17330
- Fatalities
- 0
- Total incidents
- 112
- Mines on record
- 1
- Years on record
- 2000–2026
Compliance record
MSHA citations since 2000
777
citations
200
significant & substantial
$629,802
proposed penalties
$616,815
paid to date
98% of proposed penalties paid to date, a $12,987 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
114
inspections on record
6,021
inspection hours
12.9
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.777 citations across 6,021 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.$630K
proposed penalties
$617K
current assessed
$617K
paid to date
$0
outstanding
762 assessments are final orders; 12 contested dockets.
As of the most recent assessment on 2025-12-10.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Top causes
- HANDLING OF MATERIALS 39 non-fatal
- SLIP OR FALL OF PERSON 30 non-fatal
- MACHINERY 13 non-fatal
- HANDTOOLS (NONPOWERED) 11 non-fatal
- OTHER 7 non-fatal
- POWERED HAULAGE 5 non-fatal
Incident timeline
2026
2
2025
1
2024
1
2023
1
2022
1
2021
1
2020
1
2019
2
2018
2
2017
2
2016
2
2015
2
2014
1
2012
1
2011
1
2010
4
2009
9
2008
13
2007
2
2006
4
2005
6
2004
6
2003
6
2002
12
2001
14
2000
15
Mines on record
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The full compliance file on Keystone Cement 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.