Freeport-McMoRan Sierrita Ops. operator
Controlled by
Freeport-McMoRan Inc
MSHA operator ID: L17248
- Fatalities
- 0
- Total incidents
- 793
- Mines on record
- 2
- Years on record
- 2000–2026
Compliance record
MSHA citations since 2000
2,195
citations
393
significant & substantial
$2,109,147
proposed penalties
$1,894,855
paid to date
90% of proposed penalties paid to date, a $214,292 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
229
inspections on record
17,788
inspection hours
12.3
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.2,195 citations across 17,788 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.$2.1M
proposed penalties
$1.9M
current assessed
$1.9M
paid to date
$16K
outstanding
2,170 assessments are final orders; 44 contested dockets.
As of the most recent assessment on 2026-02-26.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Top causes
- HANDLING OF MATERIALS 288 non-fatal
- SLIP OR FALL OF PERSON 169 non-fatal
- MACHINERY 90 non-fatal
- HANDTOOLS (NONPOWERED) 78 non-fatal
- POWERED HAULAGE 35 non-fatal
- OTHER 28 non-fatal
Incident timeline
2026
17
2025
35
2024
29
2023
38
2022
35
2021
28
2020
32
2019
34
2018
27
2017
29
2016
21
2015
26
2014
15
2013
35
2012
27
2011
39
2010
32
2009
38
2008
62
2007
45
2006
38
2005
39
2004
20
2003
12
2002
8
2001
15
2000
17
Mines on record
Watch this operator
Email me when a new MSHA incident is filed at any Freeport-McMoRan Sierrita Ops. mine.
For insurers, brokers, and safety consultants
The full compliance file on Freeport-McMoRan Sierrita Ops.
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.