Mining Incidents

Arcosa Aggregates West, LLC. operator

Controlled by Arcosa, Inc
MSHA operator ID: 0186133
Fatalities
0
Total incidents
17
Mines on record
9
Years on record
2023–2026
Compliance record
MSHA citations since 2022
106
citations
28
significant & substantial
$30,154
proposed penalties
$25,515
paid to date
85% of proposed penalties paid to date, a $4,639 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2022
60
inspections on record
765
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: 765 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.
$30K
proposed penalties
$30K
current assessed
$26K
paid to date
$4K
outstanding
93 assessments are final orders; 8 contested dockets.
As of the most recent assessment on 2026-03-25.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.

Top causes

Incident timeline

2026
2
2025
5
2024
4
2023
6

Mines on record

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The full compliance file on Arcosa Aggregates West, 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.