Plant 1 Metal/Non-Metal
Onyx Crushing AZ LLC
· Surface
Controlled by
Terry Lynn Clark; Kevin George Schoonover
Dateland,
Yuma County,
AZ
·
Intermittent
MSHA Mine ID: 0203520
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Email me when a new MSHA incident is filed at Plant 1.
- Fatalities
- 0
- Total incidents
- 0
- Years on record
- —
- Latest incident
- —
Compliance record
MSHA citations since 2025
3
citations
1
significant & substantial
$1,060
proposed penalties
$1,060
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 | 10,800 | 1 | 0 | 92.6 |
| 2025 Q3 | 2,261 | 2 | 1 | 884.6 |
| 2025 Q2 | 1,095 | 0 | 0 | 0.0 |
| 2025 Q1 | 1,863 | 0 | 0 | 0.0 |
| 2024 Q4 | 625 | 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.