Kemmerer Holdings LLC controller
MSHA controller ID: 0149381
Watch this controller
Email me when a new MSHA incident is filed at any mine Kemmerer Holdings LLC controls.
- Fatalities
- 0
- Total incidents
- 35
- Mines on record
- 1
- Years on record
- 2019–2026
Compliance record
MSHA citations since 2019
157
citations
21
significant & substantial
$150,743
proposed penalties
$95,465
paid to date
63% of proposed penalties paid to date, a $55,278 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2019
71
inspections on record
2,462
inspection hours
6.4
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.157 citations across 2,462 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.$151K
proposed penalties
$95K
current assessed
$95K
paid to date
$0
outstanding
157 assessments are final orders; 10 contested dockets.
As of the most recent assessment on 2025-12-15.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Top causes
- SLIP OR FALL OF PERSON 13 non-fatal
- HANDLING OF MATERIALS 11 non-fatal
- HANDTOOLS (NONPOWERED) 3 non-fatal
- DISORDERS (REPEATED TRAUMA) 2 non-fatal
- DISORDERS (PHYSICAL AGENTS) 1 non-fatal
- FIRE 1 non-fatal
Incident timeline
2026
2
2025
7
2024
4
2023
7
2022
7
2021
4
2020
2
2019
2
Operators under this controller
Mines on record
For insurers, brokers, and safety consultants
The full compliance file on Kemmerer Holdings 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.