Arrowhead Mining & Materials LLC operator
Controlled by
Arthur C Mc Mains
MSHA operator ID: L18254
- Fatalities
- 0
- Total incidents
- 3
- Mines on record
- 1
- Years on record
- 2006–2022
Compliance record
MSHA citations since 2002
106
citations
27
significant & substantial
$14,733
proposed penalties
$14,582
paid to date
99% of proposed penalties paid to date, a $151 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2002
64
inspections on record
790
inspection hours
n/a
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.Rate withheld: 790 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
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.$15K
proposed penalties
$15K
current assessed
$15K
paid to date
$151
outstanding
104 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2026-05-28.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Top causes
- HANDLING OF MATERIALS 1 non-fatal
- HANDTOOLS (NONPOWERED) 1 non-fatal
- MACHINERY 1 non-fatal
Incident timeline
2022
1
2015
1
2006
1
Mines on record
- Chino Pit AZ
Watch this operator
Email me when a new MSHA incident is filed at any Arrowhead Mining & Materials LLC mine.
For insurers, brokers, and safety consultants
The full compliance file on Arrowhead Mining & Materials LLC
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.