Bronco Utah Operations, LLC. operator
Controlled by
Bronco Coal Resources, LLC
MSHA operator ID: 0145175
- Fatalities
- 0
- Total incidents
- 85
- Mines on record
- 1
- Years on record
- 2017–2025
Compliance record
MSHA citations since 2016
1,759
citations
219
significant & substantial
$1,856,753
proposed penalties
$1,226,392
paid to date
66% of proposed penalties paid to date, a $630,361 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2016
97
inspections on record
15,503
inspection hours
11.3
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.1,759 citations across 15,503 inspection hours.
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.$1.9M
proposed penalties
$1.3M
current assessed
$1.2M
paid to date
$71K
outstanding
1,629 assessments are final orders; 52 contested dockets.
As of the most recent assessment on 2025-11-25.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Top causes
- FALL OF ROOF OR BACK 24 non-fatal
- HANDLING OF MATERIALS 22 non-fatal
- SLIP OR FALL OF PERSON 12 non-fatal
- HANDTOOLS (NONPOWERED) 7 non-fatal
- MACHINERY 6 non-fatal
- POWERED HAULAGE 5 non-fatal
Incident timeline
2025
11
2024
11
2023
12
2022
16
2021
18
2020
7
2019
3
2018
6
2017
1
Mines on record
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The full compliance file on Bronco Utah Operations, 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.