Piedra #1 Metal/Non-Metal
OK Rock Quarries LLC
· Surface
Controlled by
Patricia Melton
Lenna,
Mcintosh County,
OK
·
Active
MSHA Mine ID: 3402162
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Email me when a new MSHA incident is filed at Piedra #1.
- Fatalities
- 0
- Total incidents
- 0
- Years on record
- —
- Latest incident
- —
Compliance record
MSHA citations since 2023
5
citations
1
significant & substantial
$756
proposed penalties
$756
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 | 2,222 | 0 | 0 | 0.0 |
| 2025 Q3 | 2,220 | 0 | 0 | 0.0 |
| 2025 Q2 | 2,020 | 1 | 0 | 495.0 |
| 2025 Q1 | 2,400 | 0 | 0 | 0.0 |
| 2024 Q4 | 2,200 | 0 | 0 | 0.0 |
| 2024 Q3 | 1,306 | 1 | 0 | 765.7 |
| 2024 Q2 | 4,060 | 0 | 0 | 0.0 |
| 2024 Q1 | 3,260 | 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.