Mining Incidents

North American Silica Sand, LLC Metal/Non-Metal

Controlled by Ignacio Martinez
Poteet, Atascosa County, TX  ·  Intermittent
MSHA Mine ID: 4105470

North American Silica Sand, LLC has $23K in proposed MSHA penalties and $20K outstanding across 0 contested dockets, plus health sampling and the full incident record.

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Fatalities
2
Total incidents
2
Years on record
2026
Latest incident
Mar 2026
Compliance record
MSHA citations since 2019
68
citations
19
significant & substantial
$22,669
proposed penalties
$2,295
paid to date
10% of proposed penalties paid to date, a $20,374 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2019
19
inspections on record
461
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: 461 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

North American Silica Sand, LLC has $23K in proposed MSHA penalties and $20K 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.
$23K
proposed penalties
$23K
current assessed
$2K
paid to date
$20K
outstanding
34 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2025-07-15.
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 2,865 0 0 0.0
2025 Q3 5,989 1 0 167.0
2025 Q2 1,900 0 0 0.0
2024 Q4 2,471 0 0 0.0
2024 Q3 2,429 0 0 0.0
2024 Q2 2,545 0 0 0.0
2024 Q1 2,757 2 1 725.4
2023 Q2 10,321 0 0 0.0
Show 4 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q1 22,557 14 4 620.6
2022 Q4 13,171 0 0 0.0
2022 Q3 15,759 7 1 444.2
2022 Q2 7,816 0 0 0.0

Fatalities at this mine

2 recorded
For insurers, brokers, and safety consultants

The full compliance file on North American Silica Sand, LLC

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.