Mertzon Quarry Metal/Non-Metal
MORIAH TFS OPS LLC dba Thompson Mtls
· Surface
Controlled by
Moriah TFS Holdings LLC
Mertzon,
Irion County,
TX
·
Active
MSHA Mine ID: 4105713
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- Fatalities
- 0
- Total incidents
- 0
- Years on record
- —
- Latest incident
- —
Compliance record
MSHA citations since 2025
9
citations
0
significant & substantial
$1,359
proposed penalties
$1,359
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 | 455 | 0 | 0 | 0.0 |
| 2025 Q3 | 505 | 3 | 0 | 5940.6 |
| 2025 Q2 | 360 | 0 | 0 | 0.0 |
| 2025 Q1 | 430 | 4 | 0 | 9302.3 |
| 2024 Q4 | 460 | 0 | 0 | 0.0 |
| 2024 Q3 | 580 | 0 | 0 | 0.0 |
| 2024 Q2 | 515 | 0 | 0 | 0.0 |
| 2024 Q1 | 560 | 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.