Mining Incidents

Alpine Silica-Lamesa Metal/Non-Metal

Alpine Silica, LLC · Surface
Controlled by Pro Frac Holding Corp
Lamesa, Dawson County, TX  ·  Active
MSHA Mine ID: 4105655

Alpine Silica-Lamesa has $12K in proposed MSHA penalties and $0 outstanding across 0 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
5
Years on record
2022–2025
Latest incident
Jan 2025
Compliance record
MSHA citations since 2022
31
citations
4
significant & substantial
$12,469
proposed penalties
$12,469
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2022
15
inspections on record
377
inspection hours
n/a
citations per 100 inspection hours
This rate is recorded citations divided by MSHA inspection hours, per 100 hours. It reflects inspection effort, not mine size or production.
Rate withheld: 377 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Alpine Silica-Lamesa has $12K in proposed MSHA penalties and $0 outstanding across 0 contested dockets.

Penalty disposition
Differences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.
$12K
proposed penalties
$12K
current assessed
$12K
paid to date
$0
outstanding
30 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2025-03-12.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Quarterly safety rates
Citations per million reported employee-hours. Rates begin in 2000, when MSHA's quarterly employment data starts; earlier incidents are counted but cannot be rate-adjusted. Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
Citations per million employee-hours, as reported to MSHA
Quarter Hours worked Citations S&S Per 1M hrs
2025 Q4 25,269 0 0 0.0
2025 Q3 23,861 0 0 0.0
2025 Q2 24,870 0 0 0.0
2025 Q1 26,240 5 0 190.5
2024 Q4 25,359 0 0 0.0
2024 Q3 27,931 8 1 286.4
2024 Q2 26,747 0 0 0.0
2024 Q1 27,627 12 2 434.4
Show 5 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 17,951 2 1 111.4
2023 Q3 38,246 0 0 0.0
2023 Q2 47,232 1 0 21.2
2023 Q1 48,791 2 0 41.0
2022 Q4 27,886 1 0 35.9
No fatalities recorded at this mine.

Reportable incidents

5 on file

2025 · 1 incident

January 15, 2025 TX · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
Alpine Silica, LLC · Over-exertion in pulling or pushing objects

The operator was starting a gas-powered air compressor by pulling the pull rope. On the third pull, the operator felt something pop or pull in their left shoulder. The doctor ordered the operator off work for 4 days and then EE can return to normal duties. EE was also advised to follow up with their primary care physician.

2023 · 2 incidents

December 22, 2023 TX · Metal/Non-Metal utility man, shift tech, service/dump truck operator POWERED HAULAGE
Alpine Silica, LLC · Caught in, under or between a moving and a stationary object

Operator lost situational awareness while cleaning up under dry plant. Was caught between mini skid loader and conveyor tail pulley. Causing contusion to lower thorax.

December 6, 2023 TX · Metal/Non-Metal superintendent SLIP OR FALL OF PERSON
Alpine Silica, LLC · Over-exertion (Not Elsewhere Classified)

12/7/23 Reported twisted right knee at Dry Plant while walking in 3" of sand. Medical examination diagnosis sprain, still in pain. 12/12/23 Requested MRI. 03/18/24 Received Diagnosis that surgery required to repair knee. Surgery TBD

2022 · 2 incidents

November 21, 2022 TX · Metal/Non-Metal utility man, shift tech, service/dump truck operator POWERED HAULAGE
Alpine Silica, LLC · Caught in, under or between a moving and a stationary object

EE was attempting to roll a 4" dia x 8ft steel shaft onto the forks of a forklift. The forks were jammed against the bottom rail of the trailer carrying the metal shaft. When the forks were tilted back, they sprung upward catching the EE's thumb between the top rail of the trailer and the shaft, causing laceration. Required 5 sutures.

October 17, 2022 TX · Metal/Non-Metal steel worker, iron metal worker, iron worker MACHINERY
Unknown operator · Caught in, under or between a moving and a stationary object

Lifting conveyor 8 with 2 cranes and when the top supports were cut loose the conveyor shifted and pinned the employee between the conveyor and a handrail behind them.

For insurers, brokers, and safety consultants

The full compliance file on Alpine Silica-Lamesa

A dated report covering the 26-year penalty trail, line-item violation pattern, contest and docket posture, rate-normalized peer benchmark, and full fatality history. Delivered as a PDF with the underlying data as CSV.