Martin Marietta Materials Southwest LLC · Caught in, under or between a moving and a stationary object
Exiting the skid steer when foot became hung up on the step of bucket, rolled left ankle.
San Pedro Quarry Metal/Non-Metal
Martin Marietta Materials Southwest LLC
· Surface
Controlled by
Martin Marietta Materials Inc
San Antonio,
Bexar County,
TX
·
Active
MSHA Mine ID: 4101337
Watch this mine
Email me when a new MSHA incident is filed at San Pedro Quarry.
- Fatalities
- 0
- Total incidents
- 3
- Years on record
- 2002–2021
- Latest incident
- Nov 2021
Compliance record
MSHA citations since 2004
34
citations
5
significant & substantial
$5,715
proposed penalties
$5,715
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 | 6,590 | 0 | 0 | 0.0 |
| 2025 Q3 | 1,524 | 0 | 0 | 0.0 |
| 2025 Q2 | 4,980 | 1 | 0 | 200.8 |
| 2025 Q1 | 4,243 | 0 | 0 | 0.0 |
| 2024 Q4 | 5,660 | 0 | 0 | 0.0 |
| 2024 Q3 | 4,896 | 0 | 0 | 0.0 |
| 2024 Q1 | 1,067 | 0 | 0 | 0.0 |
| 2023 Q4 | 5,386 | 1 | 0 | 185.7 |
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
No fatalities recorded at this mine.
Reportable incidents
3 on file2021 · 1 incident
2007 · 1 incident
Martin Marietta Materials Southwest LLC · Inhalation of radiations, caustics, toxic and noxious substances
Employee was diagnosed with silicosis. Notification by medical advisor of reportability.
2002 · 1 incident
Martin Marietta Materials Southwest Ltd · Contact with hot objects or substances
EE WAS CUTTING HOLE IN HOPPER BRACES WITH TORCH WHEN SMALL PIECE OF SLAG HIT RIGHT EYE, ABRADING IT.