← Back to search

Sierra Blanca Quarry Metal/Non-Metal

Sierra Blanca Quarry, LLC · Surface

Controlled by Becky Dean Walker; Dennis Walker

Sierra Blanca, Hudspeth County, TX · Active

MSHA Mine ID: 4104680

Watch this mine

Email me when a new MSHA incident is filed at Sierra Blanca Quarry.

Fatalities: 0
Total incidents: 3
Years on record: 2009–2018
Latest incident: Aug 2018

Compliance record

MSHA citations since 2008

100

citations

significant & substantial

$26,174

proposed penalties

$26,060

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	Per 1M hrs
2025 Q4	6,814	0	0.0
2025 Q3	6,894	2	290.1
2025 Q2	7,004	0	0.0
2025 Q1	7,260	5	688.7
2024 Q4	4,557	0	0.0
2024 Q3	844	1	1184.8
2024 Q2	2,140	0	0.0
2024 Q1	6,994	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

3 on file

2018 · 1 incident

August 27, 2018 TX · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON

Sierra Blanca Quarry, LLC · Fall to lower level, (Not Elsewhere Classified)

Employee climbed over a barricade and travelled in a non-designated area. Employee was stepping over a gap between a retaining wall and a primary jaw crusher and did not step far enough. The height from the top of the wall to the floor is approx. 11 ft. The employee stated bifocal sunglasses made employee misjudge the distance employee needed to step.

2011 · 1 incident

May 16, 2011 TX · Metal/Non-Metal welder (shop) MACHINERY

Sierra Blanca Quarry, LLC · Struck by... (Not Elsewhere Classified)

EE was in shop dismounting a chute from a crusher. He was using an impact wrench to take off a nut from a carriage bolt, while holding head with his right hand. He pushed the trigger on the impact wrench and the locking part of bolt popped out of place. This cause the head to spin fast and cut through glove and into finger.

2009 · 1 incident

September 23, 2009 TX · Metal/Non-Metal assistant mine foreman, assistant mine manager SLIP OR FALL OF PERSON

Sierra Blanca Quarry, LLC · Fall from machine

Injury Was inspecting the scalping screen and under jaw belt wiper. He was steppeing from the screen to the belt, slipped, and striking the end of the production 2 belt with hes back and then falling to the ground. He fractured his T2 - T5 vertebra and a right tibial contusion and knee sprain.