Bonanza Opal Mines, Inc. Metal/Non-Metal
Bonanza Opal Mines, Inc.
· Surface
Controlled by
Klaus Althammer
Denio,
Humboldt County,
NV
·
Temporarily Idled
MSHA Mine ID: 2601427
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Email me when a new MSHA incident is filed at Bonanza Opal Mines, Inc..
- Fatalities
- 0
- Total incidents
- 0
- Years on record
- —
- Latest incident
- —
Compliance record
MSHA citations since 2015
2
citations
0
significant & substantial
$251
proposed penalties
$251
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 | 0 | 0 | 0 | |
| 2025 Q3 | 2,312 | 1 | 0 | 432.5 |
| 2025 Q2 | 1,549 | 0 | 0 | 0.0 |
| 2025 Q1 | 0 | 0 | 0 | |
| 2024 Q4 | 0 | 0 | 0 | |
| 2024 Q3 | 1,832 | 0 | 0 | 0.0 |
| 2024 Q2 | 1,324 | 0 | 0 | 0.0 |
| 2024 Q1 | 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.