Mariana Copper One operator
Controlled by
Mariana Copper LLC
MSHA operator ID: 0060043
Watch this operator
Email me when a new MSHA incident is filed at any Mariana Copper One mine.
- Fatalities
- 0
- Total incidents
- 80
- Mines on record
- 1
- Years on record
- 2005–2026
Compliance record
MSHA citations since 2006
111
citations
10
significant & substantial
$83,266
proposed penalties
$70,233
paid to date
Source: MSHA violations data, updated weekly.
Top causes
- HANDLING OF MATERIALS 25 non-fatal
- SLIP OR FALL OF PERSON 25 non-fatal
- HANDTOOLS (NONPOWERED) 13 non-fatal
- MACHINERY 8 non-fatal
- POWERED HAULAGE 3 non-fatal
- OTHER 2 non-fatal
Incident timeline
2026
1
2025
1
2024
6
2023
4
2022
3
2021
2
2018
2
2017
1
2016
1
2015
9
2014
3
2013
3
2012
8
2011
3
2010
6
2009
2
2007
12
2006
8
2005
5