Mining Incidents

Heidelberg Materials Southwest LLC operator

Controlled by Heidelberg Materials AG
MSHA operator ID: 0174514
Fatalities
0
Total incidents
60
Mines on record
11
Years on record
2021–2026
Compliance record
MSHA citations since 2021
642
citations
108
significant & substantial
$416,814
proposed penalties
$335,329
paid to date
80% of proposed penalties paid to date, a $81,485 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2021
228
inspections on record
4,693
inspection hours
13.7
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.
642 citations across 4,693 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.
$417K
proposed penalties
$376K
current assessed
$335K
paid to date
$40K
outstanding
610 assessments are final orders; 4 contested dockets.
As of the most recent assessment on 2026-05-08.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.

Top causes

Incident timeline

2026
8
2025
13
2024
11
2023
9
2022
11
2021
8

Mines on record

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The full compliance file on Heidelberg Materials Southwest 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.