13% of proposed penalties paid to date, a $183,096 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2018
54
inspections on record
1,764
inspection hours
8.4
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.
149 citations across 1,764 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.
$210K
proposed penalties
$210K
current assessed
$27K
paid to date
$183K
outstanding
125 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2026-03-18.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
SP Silica of Atascosa, LLC · Struck by rolling or sliding object
EE was operating an excavator in Pit 2 at SPS Atascosa. Pit 2 is located between two tailings ponds. 9:18 AM one of the tailings ponds breached causing tailings mixture to flow into the work site. Tailings mixture tipped over the excavator EE was operating cab side down. The front window broke, tailings mixture engulfed the cab & 75% of the vehicle. Employee could not escape.
December 16, 2022TX · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techFatality · MACHINERY
SP Silica of Atascosa, LLC · Struck by falling object
Employee was working with a 3 man crew dismantling a Caterpillar 390F Excavator. During dismantling, EE was impacted by the counterweight. The other 2 crew members did not witness the accident.
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