Knox County Stone operator
Controlled by
Riverstone Group
MSHA operator ID: 0056277
- Fatalities
- 0
- Total incidents
- 5
- Mines on record
- 1
- Years on record
- 2005–2024
Compliance record
MSHA citations since 2005
58
citations
5
significant & substantial
$17,165
proposed penalties
$14,767
paid to date
86% of proposed penalties paid to date, a $2,398 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2005
64
inspections on record
1,088
inspection hours
5.3
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.58 citations across 1,088 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.$17K
proposed penalties
$15K
current assessed
$15K
paid to date
$0
outstanding
55 assessments are final orders; 5 contested dockets.
As of the most recent assessment on 2026-03-04.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Top causes
- HANDLING OF MATERIALS 2 non-fatal
- HANDTOOLS (NONPOWERED) 2 non-fatal
- SLIP OR FALL OF PERSON 1 non-fatal
Incident timeline
2024
1
2023
1
2022
1
2021
1
2005
1
Mines on record
Watch this operator
Email me when a new MSHA incident is filed at any Knox County Stone mine.
For insurers, brokers, and safety consultants
The full compliance file on Knox County Stone
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.