RiverStone Group, Inc. operator
Controlled by
Riverstone Group
MSHA operator ID: L18530
- Fatalities
- 0
- Total incidents
- 248
- Mines on record
- 10
- Years on record
- 1983–2026
Compliance record
MSHA citations since 2000
708
citations
70
significant & substantial
$89,142
proposed penalties
$85,375
paid to date
96% of proposed penalties paid to date, a $3,767 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
521
inspections on record
8,017
inspection hours
8.8
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.708 citations across 8,017 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.$89K
proposed penalties
$85K
current assessed
$85K
paid to date
$0
outstanding
704 assessments are final orders; 38 contested dockets.
As of the most recent assessment on 2026-04-01.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Top causes
- HANDLING OF MATERIALS 84 non-fatal
- SLIP OR FALL OF PERSON 57 non-fatal
- HANDTOOLS (NONPOWERED) 44 non-fatal
- POWERED HAULAGE 24 non-fatal
- MACHINERY 21 non-fatal
- OTHER 4 non-fatal
Incident timeline
2026
2
2025
2
2024
3
2023
1
2022
7
2021
7
2020
4
2019
1
2017
3
2016
3
2015
4
2014
1
2013
3
2012
6
2011
4
2010
2
2009
3
2007
4
2006
1
2005
2
2003
4
2002
6
2001
11
2000
10
1999
10
1998
5
1997
7
1996
6
1995
9
1994
15
1993
10
1992
12
1991
13
1990
7
1989
16
1988
9
1987
6
1986
10
1985
3
1984
10
1983
6
Mines on record
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For insurers, brokers, and safety consultants
The full compliance file on RiverStone Group, Inc.
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.