90% of proposed penalties paid to date, a $50,874 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
763
inspections on record
10,623
inspection hours
10.6
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.
1,128 citations across 10,623 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.
$524K
proposed penalties
$481K
current assessed
$473K
paid to date
$8K
outstanding
1,098 assessments are final orders; 21 contested dockets.
As of the most recent assessment on 2026-05-04.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Sierra Ready Mix · Fall from headframe, derrick or tower
The employee was last seen on top of the tower and determined to be missing. The employee was found in a pipe traveling from the cyclone discharge box to the thickener tank. Investigation has revealed that the employee traveled outside the provided safe access to the cyclone discharge box. It is not yet determined how the employee entered the pipe.
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