Sierra Silica Resources Metal/Non-Metal
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- Fatalities
- 0
- Total incidents
- 0
- Years on record
- —
- Latest incident
- —
Compliance record
MSHA citations since 2014
154
citations
26
significant & substantial
$61,995
proposed penalties
$47,099
paid to date
Source: MSHA violations data, updated weekly.
Quarterly safety rates
Citations per million employee-hours, as reported to MSHA
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2025 Q4 | 11,246 | 3 | 0 | 266.8 |
| 2025 Q3 | 11,649 | 0 | 0 | 0.0 |
| 2025 Q2 | 14,530 | 5 | 0 | 344.1 |
| 2025 Q1 | 8,602 | 0 | 0 | 0.0 |
| 2024 Q4 | 11,427 | 1 | 0 | 87.5 |
| 2024 Q3 | 13,084 | 2 | 0 | 152.9 |
| 2024 Q2 | 14,282 | 0 | 0 | 0.0 |
| 2024 Q1 | 7,724 | 0 | 0 | 0.0 |
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
No reportable incidents on file.
MSHA has no recorded reportable accidents for this mine in the current dataset. New reports appear here within a week of being filed.