Thunder Material Source Metal/Non-Metal
WW Clyde & Co.
· Surface
Controlled by
CCI (Clyde Companies Inc)
Show Low,
Navajo County,
AZ
·
Active
MSHA Mine ID: 0203378
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Email me when a new MSHA incident is filed at Thunder Material Source.
- Fatalities
- 0
- Total incidents
- 0
- Years on record
- —
- Latest incident
- —
Compliance record
MSHA citations since 2017
40
citations
12
significant & substantial
$9,372
proposed penalties
$9,372
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 | 2,305 | 0 | 0 | 0.0 |
| 2025 Q3 | 5,337 | 0 | 0 | 0.0 |
| 2025 Q2 | 6,381 | 11 | 3 | 1723.9 |
| 2025 Q1 | 8,672 | 0 | 0 | 0.0 |
| 2024 Q4 | 6,769 | 0 | 0 | 0.0 |
| 2024 Q3 | 4,564 | 4 | 2 | 876.4 |
| 2024 Q2 | 5,121 | 0 | 0 | 0.0 |
| 2024 Q1 | 4,440 | 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.