Robinson Gravel Pit / Ophir Rd. Quarry Metal/Non-Metal
Don Robinson Sand & Gravel, Inc.
· Surface
Controlled by
Ina Robinson
Newcastle,
Placer County,
CA
·
Active
MSHA Mine ID: 0402279
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- Fatalities
- 0
- Total incidents
- 0
- Years on record
- —
- Latest incident
- —
Compliance record
MSHA citations since 2000
60
citations
17
significant & substantial
$10,221
proposed penalties
$8,634
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 | 772 | 5 | 1 | 6476.7 |
| 2025 Q3 | 1,208 | 0 | 0 | 0.0 |
| 2025 Q2 | 896 | 0 | 0 | 0.0 |
| 2025 Q1 | 408 | 0 | 0 | 0.0 |
| 2024 Q4 | 539 | 0 | 0 | 0.0 |
| 2024 Q3 | 786 | 0 | 0 | 0.0 |
| 2024 Q2 | 639 | 0 | 0 | 0.0 |
| 2024 Q1 | 253 | 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.