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Martin Marietta Southern California Aggregates,LLC operator

Controlled by Martin Marietta Materials Inc
MSHA operator ID: L17823

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Email me when a new MSHA incident is filed at any Martin Marietta Southern California Aggregates,LLC mine.

Fatalities
0
Total incidents
274
Mines on record
31
Years on record
2000–2025
Compliance record
MSHA citations since 2000
1,472
citations
251
significant & substantial
$408,202
proposed penalties
$387,202
paid to date
Source: MSHA violations data, updated weekly.

Top causes

Incident timeline

2025
1
2024
2
2022
2
2020
8
2019
13
2018
10
2017
15
2016
10
2015
13
2014
15
2013
17
2012
12
2011
17
2010
11
2009
14
2008
19
2007
18
2006
19
2005
23
2004
33
2003
1
2000
1

Mines on record