Mining Incidents

Hunter Stone Metal/Non-Metal

New Braunfels, Comal County, TX  ·  Active
MSHA Mine ID: 4105230

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Fatalities
0
Total incidents
2
Years on record
2024–2025
Latest incident
Aug 2025
Compliance record
MSHA citations since 2017
22
citations
2
significant & substantial
$2,950
proposed penalties
$2,950
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 14,639 0 0 0.0
2025 Q3 2,685 0 0 0.0
2025 Q1 3,042 0 0 0.0
2024 Q4 18,343 1 0 54.5
2024 Q3 14,640 0 0 0.0
2024 Q2 19,498 0 0 0.0
2024 Q1 4,274 5 0 1169.9
2023 Q4 26,896 0 0 0.0
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
No fatalities recorded at this mine.

Reportable incidents

2 on file

2025 · 1 incident

August 18, 2025 TX · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Martin Marietta Materials Southwest LLC · Struck by... (Not Elsewhere Classified)

Employee cutting underneath of catwalk on CAT 777 haul truck with 90 degree air die grinder cut top of left hand. Cut resulted in five stitches.

2024 · 1 incident

May 17, 2024 TX · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Martin Marietta Materials Southwest LLC · Struck by... (Not Elsewhere Classified)

EE was removing housing off a pump, EE hit flange on back swing causing hammer to deflect and make contact with left thumb, which fractured it.