M-R Aggregates Metal/Non-Metal
M-R Aggregates
· Surface
Controlled by
Marc Lopez
Rio Grande,
Starr County,
TX
·
Active
MSHA Mine ID: 4104545
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- Fatalities
- 0
- Total incidents
- 0
- Years on record
- —
- Latest incident
- —
Compliance record
MSHA citations since 2006
160
citations
49
significant & substantial
$121,923
proposed penalties
$92,768
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 | 5,435 | 0 | 0 | 0.0 |
| 2025 Q3 | 5,370 | 4 | 0 | 744.9 |
| 2025 Q2 | 5,850 | 0 | 0 | 0.0 |
| 2025 Q1 | 5,660 | 3 | 0 | 530.0 |
| 2024 Q4 | 5,700 | 0 | 0 | 0.0 |
| 2024 Q3 | 5,390 | 2 | 0 | 371.1 |
| 2024 Q2 | 5,320 | 0 | 0 | 0.0 |
| 2024 Q1 | 5,115 | 2 | 1 | 391.0 |
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.