Western Proppants, LLC operator
Controlled by
Daniel P Dietzler
MSHA operator ID: 0131814
- Fatalities
- 0
- Total incidents
- 11
- Mines on record
- 1
- Years on record
- 2023–2026
Compliance record
MSHA citations since 2014
184
citations
37
significant & substantial
$185,539
proposed penalties
$80,623
paid to date
43% of proposed penalties paid to date, a $104,916 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2014
35
inspections on record
778
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: 778 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Penalty disposition
ⓘ
Differences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.$186K
proposed penalties
$153K
current assessed
$81K
paid to date
$72K
outstanding
151 assessments are final orders; 8 contested dockets.
As of the most recent assessment on 2026-01-12.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Top causes
- HANDLING OF MATERIALS 6 non-fatal
- SLIP OR FALL OF PERSON 3 non-fatal
- HANDTOOLS (NONPOWERED) 1 non-fatal
- OTHER 1 non-fatal
Incident timeline
2026
2
2025
1
2024
4
2023
4
Mines on record
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For insurers, brokers, and safety consultants
The full compliance file on Western Proppants, 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.