South32 Hermosa Inc. operator
Controlled by
South32
MSHA operator ID: 0156953
- Fatalities
- 0
- Total incidents
- 44
- Mines on record
- 1
- Years on record
- 2018–2026
Compliance record
MSHA citations since 2018
38
citations
6
significant & substantial
$6,561
proposed penalties
$6,561
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2018
56
inspections on record
2,919
inspection hours
1.3
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.38 citations across 2,919 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.$7K
proposed penalties
$7K
current assessed
$7K
paid to date
$0
outstanding
38 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2026-05-03.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Top causes
- HANDLING OF MATERIALS 16 non-fatal
- SLIP OR FALL OF PERSON 9 non-fatal
- HOISTING 6 non-fatal
- MACHINERY 6 non-fatal
- HANDTOOLS (NONPOWERED) 3 non-fatal
- OTHER 2 non-fatal
Incident timeline
2026
9
2025
9
2024
4
2023
6
2022
7
2021
2
2020
2
2019
3
2018
2
Mines on record
- Hermosa Mine AZ
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For insurers, brokers, and safety consultants
The full compliance file on South32 Hermosa Inc.
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.