Mining Incidents

Mountain Materials Inc operator

Controlled by CRH PLC
MSHA operator ID: 0067823
Fatalities
0
Total incidents
27
Mines on record
7
Years on record
2006–2024
Compliance record
MSHA citations since 2006
427
citations
115
significant & substantial
$115,895
proposed penalties
$115,260
paid to date
99% of proposed penalties paid to date, a $635 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2006
268
inspections on record
6,070
inspection hours
7.0
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.
427 citations across 6,070 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.
$116K
proposed penalties
$115K
current assessed
$115K
paid to date
$151
outstanding
416 assessments are final orders; 2 contested dockets.
As of the most recent assessment on 2026-04-28.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.

Top causes

Incident timeline

2024
1
2023
1
2022
1
2020
3
2019
1
2018
4
2016
1
2015
2
2014
1
2013
1
2012
3
2011
2
2009
4
2007
1
2006
1

Mines on record

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The full compliance file on Mountain Materials 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.