RiverStone Group Inc · Struck against a moving object
Employee alleges was driving a haul truck and hit a bump and as employee was grinding teeth a tooth came out of employee's mouth.
RIVERSTONE PERMANENT WASH PLANT: 35 MSHA citations Metal/Non-Metal
RiverStone Group Inc
· Surface
Controlled by
Riverstone Group
Leclair, IA,
Scott County,
IA
·
Active
MSHA Mine ID: 1300094
RIVERSTONE PERMANENT WASH PLANT has $3K in proposed MSHA penalties and $0 outstanding across 1 contested dockets, plus health sampling and the full incident record.
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- Fatalities
- 0
- Total incidents
- 10
- Years on record
- 1985–2025
- Latest incident
- Mar 2025
Compliance record
MSHA citations since 2000
35
citations
2
significant & substantial
$3,235
proposed penalties
$3,235
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
49
inspections on record
397
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: 397 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
RIVERSTONE PERMANENT WASH PLANT has $3K in proposed MSHA penalties and $0 outstanding across 1 contested dockets.
Penalty disposition
ⓘ
Differences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.$3K
proposed penalties
$3K
current assessed
$3K
paid to date
$0
outstanding
34 assessments are final orders; 1 contested dockets.
Of $100 in penalties contested before the Commission, $100 was upheld in final decisions.
As of the most recent assessment on 2026-06-25.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Violation severity profile
ⓘ
Shares are computed over citations that carry the MSHA gravity and negligence coding; a small share of records are uncoded.5.7%
significant & substantial
0.0%
high negligence or reckless
5.7%
reasonably likely or greater
45.7%
permanently disabling or fatal if injury occurs
Negligence coding: 0.0% none, 20.0% low, 80.0% moderate, 0.0% high, 0.0% reckless.
Source: MSHA violations gravity and negligence coding, updated weekly.
When citations were contested
ⓘ
Contesting a citation before the Federal Mine Safety and Health Review Commission is a lawful right. These figures state the public outcomes of that process, from MSHA's Contested Violations file.
1
citations taken to the federal commission · 3% of citations on record
- Settled 1 · 100%
0%
Penalty reduction in decided contests
$100 proposed, $100 after decisions · industry: 39%
Source: MSHA Contested Violations file (public record), updated weekly. A dismissed or defaulted contest leaves the citation standing as issued; a vacated or withdrawn citation is removed from the violation record. Latest contest filed 2009-11-17.
Contested penalties
ⓘ
A reduction or dismissal at the Commission is a lawful outcome of contesting a proposed penalty. Figures are the proposed amount and the amount upheld in the docket's decision.Largest penalties this mine contested before the Federal Mine Safety and Health Review Commission, with the outcome on record.
| Docket | Decision | Judge | Year | Proposed / upheld |
|---|---|---|---|---|
| CENT 2010-154M | Settlement | Lesnick | 2010 | $100 → $100 |
Source: FMSHRC civil penalty dockets and decisions (public record), updated weekly.
Health sampling
ⓘ
A sample is a point in time compliance measurement, not an individual exposure history. These figures describe MSHA sampling records and do not establish causation or personal dose.Metal and nonmetal contaminants (personal samples)
ⓘ
Many samples are screening measurements of substances with no applicable exposure limit; they are counted as samples but excluded from every over-limit figure. Over-limit shares use only limit-tested samples.
Last sampled: 2022-10-25, 3 years ago
ⓘ
Many samples are screening measurements of substances with no applicable exposure limit; they are counted as samples but excluded from every over-limit figure. Over-limit shares use only limit-tested samples.0%
of limit-tested samples over the exposure limit
4
samples
2
limit-tested
Most sampled contaminants
- Nuisance dust, respirable, <1% Qtz2
- Respirable dust, <.1mg2
Show the individual readings (4)
| Date | Contaminant | Concentration | Limit | Conc / limit | Occupation |
|---|---|---|---|---|---|
| 2022-10-25 | Nuisance dust, respirable, <1% Qtz | 0.15 | 10 | 0.02 | Front-end Loader Operator |
| 2022-10-25 | Nuisance dust, respirable, <1% Qtz | 0.4 | 10 | 0.04 | Washer Operator |
| 2018-01-23 | Respirable dust, <.1mg | 0 | Front-end Loader Operator | ||
| 2013-10-22 | Respirable dust, <.1mg | 0 | Front-end Loader Operator |
Source: MSHA respirable dust, quartz, and noise sampling records, updated weekly. Metal/nonmetal contaminant figures come from MSHA's Personal Health Samples and Area Samples files (public record), updated weekly.
Ownership history
- RiverStone Group Inc 1950 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
| Year | Employees |
|---|---|
| 2026 | 3 |
| 2025 | 3 |
| 2024 | 3 |
| 2023 | 3 |
| 2022 | 6 |
| 2021 | 5 |
| 2020 | 6 |
| 2019 | 5 |
| 2018 | 4 |
| 2017 | 7 |
| 2016 | 4 |
| 2015 | 5 |
| 2014 | 5 |
| 2013 | 5 |
| 2012 | 5 |
| 2011 | 3 |
| 2010 | 4 |
| 2009 | 4 |
| 2008 | 3 |
| 2007 | 3 |
| 2006 | 4 |
| 2005 | 4 |
| 2004 | 4 |
| 2003 | 4 |
| 2002 | 4 |
| 2001 | 3 |
| 2000 | 3 |
Source: MSHA quarterly employment and production, updated weekly.
RIVERSTONE PERMANENT WASH PLANT sits in Scott County, Iowa, where the Census mining category is 0.3% of county employment.
Local economic context
ⓘ
County figures come from the US Census Bureau's American Community Survey, 5-year pooled estimates, so the 2023 vintage covers 2019 through 2023. The Census category is 'mining, quarrying, and oil and gas extraction', which is broader than MSHA jurisdiction and includes oil and gas workers no mine employs. These figures describe the surrounding county, not this mine, and are not a factor in any specific incident.Scott County, Iowa · Population 174,302
0.3%
Mining share of county employment
$76,363
Median household income
Source: US Census Bureau, American Community Survey 2023 5-year estimates.
Quarterly safety rates
ⓘ
Citations per million reported employee-hours. Rates begin in 2000, when MSHA's quarterly employment data starts; earlier incidents are counted but cannot be rate-adjusted. Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.Citations per million employee-hours, as reported to MSHA
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2026 Q2 | 1,822 | 1 | 0 | 548.8 |
| 2026 Q1 | 1,530 | 0 | 0 | 0.0 |
| 2025 Q4 | 1,716 | 0 | 0 | 0.0 |
| 2025 Q3 | 1,802 | 0 | 0 | 0.0 |
| 2025 Q2 | 1,806 | 0 | 0 | 0.0 |
| 2025 Q1 | 1,694 | 0 | 0 | 0.0 |
| 2024 Q4 | 1,694 | 0 | 0 | 0.0 |
| 2024 Q3 | 1,888 | 0 | 0 | 0.0 |
Show 97 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2024 Q2 | 1,860 | 0 | 0 | 0.0 |
| 2024 Q1 | 1,669 | 1 | 0 | 599.2 |
| 2023 Q4 | 1,977 | 0 | 0 | 0.0 |
| 2023 Q3 | 1,328 | 0 | 0 | 0.0 |
| 2023 Q2 | 1,268 | 1 | 0 | 788.6 |
| 2023 Q1 | 1,513 | 0 | 0 | 0.0 |
| 2022 Q4 | 2,305 | 2 | 0 | 867.7 |
| 2022 Q3 | 2,274 | 0 | 0 | 0.0 |
| 2022 Q2 | 2,377 | 0 | 0 | 0.0 |
| 2022 Q1 | 1,484 | 0 | 0 | 0.0 |
| 2021 Q4 | 1,690 | 0 | 0 | 0.0 |
| 2021 Q3 | 1,811 | 0 | 0 | 0.0 |
| 2021 Q2 | 2,590 | 0 | 0 | 0.0 |
| 2021 Q1 | 1,616 | 0 | 0 | 0.0 |
| 2020 Q4 | 2,154 | 0 | 0 | 0.0 |
| 2020 Q3 | 2,154 | 0 | 0 | 0.0 |
| 2020 Q2 | 2,431 | 1 | 0 | 411.4 |
| 2020 Q1 | 1,573 | 0 | 0 | 0.0 |
| 2019 Q4 | 1,902 | 0 | 0 | 0.0 |
| 2019 Q3 | 1,489 | 0 | 0 | 0.0 |
| 2019 Q2 | 330 | 0 | 0 | 0.0 |
| 2019 Q1 | 31 | 0 | 0 | 0.0 |
| 2018 Q4 | 300 | 0 | 0 | 0.0 |
| 2018 Q3 | 586 | 0 | 0 | 0.0 |
| 2018 Q2 | 465 | 0 | 0 | 0.0 |
| 2017 Q4 | 1,688 | 0 | 0 | 0.0 |
| 2017 Q3 | 1,747 | 0 | 0 | 0.0 |
| 2017 Q2 | 1,889 | 0 | 0 | 0.0 |
| 2017 Q1 | 1,894 | 0 | 0 | 0.0 |
| 2016 Q4 | 1,119 | 0 | 0 | 0.0 |
| 2016 Q3 | 1,688 | 0 | 0 | 0.0 |
| 2016 Q2 | 1,441 | 0 | 0 | 0.0 |
| 2016 Q1 | 1,195 | 1 | 0 | 836.8 |
| 2015 Q4 | 1,559 | 0 | 0 | 0.0 |
| 2015 Q3 | 1,703 | 1 | 0 | 587.2 |
| 2015 Q2 | 1,955 | 0 | 0 | 0.0 |
| 2015 Q1 | 1,758 | 1 | 0 | 568.8 |
| 2014 Q4 | 2,531 | 0 | 0 | 0.0 |
| 2014 Q3 | 2,276 | 0 | 0 | 0.0 |
| 2014 Q2 | 2,654 | 0 | 0 | 0.0 |
| 2014 Q1 | 1,330 | 0 | 0 | 0.0 |
| 2013 Q4 | 3,429 | 1 | 0 | 291.6 |
| 2013 Q3 | 1,496 | 0 | 0 | 0.0 |
| 2013 Q2 | 1,505 | 0 | 0 | 0.0 |
| 2013 Q1 | 1,277 | 0 | 0 | 0.0 |
| 2012 Q4 | 1,706 | 1 | 0 | 586.2 |
| 2012 Q3 | 1,656 | 0 | 0 | 0.0 |
| 2012 Q2 | 2,940 | 1 | 1 | 340.1 |
| 2012 Q1 | 1,362 | 2 | 0 | 1468.4 |
| 2011 Q4 | 1,452 | 0 | 0 | 0.0 |
| 2011 Q3 | 1,538 | 0 | 0 | 0.0 |
| 2011 Q2 | 1,397 | 0 | 0 | 0.0 |
| 2011 Q1 | 1,319 | 0 | 0 | 0.0 |
| 2010 Q4 | 1,344 | 0 | 0 | 0.0 |
| 2010 Q3 | 1,417 | 1 | 1 | 705.7 |
| 2010 Q2 | 1,437 | 0 | 0 | 0.0 |
| 2010 Q1 | 1,142 | 0 | 0 | 0.0 |
| 2009 Q4 | 1,694 | 0 | 0 | 0.0 |
| 2009 Q3 | 1,891 | 2 | 0 | 1057.6 |
| 2009 Q2 | 1,506 | 0 | 0 | 0.0 |
| 2009 Q1 | 1,317 | 0 | 0 | 0.0 |
| 2008 Q4 | 1,639 | 0 | 0 | 0.0 |
| 2008 Q3 | 1,619 | 0 | 0 | 0.0 |
| 2008 Q2 | 1,755 | 0 | 0 | 0.0 |
| 2008 Q1 | 1,327 | 0 | 0 | 0.0 |
| 2007 Q4 | 1,446 | 0 | 0 | 0.0 |
| 2007 Q3 | 1,712 | 0 | 0 | 0.0 |
| 2007 Q2 | 1,778 | 0 | 0 | 0.0 |
| 2007 Q1 | 1,308 | 0 | 0 | 0.0 |
| 2006 Q4 | 1,706 | 2 | 0 | 1172.3 |
| 2006 Q3 | 1,523 | 0 | 0 | 0.0 |
| 2006 Q2 | 1,674 | 1 | 0 | 597.4 |
| 2006 Q1 | 1,427 | 0 | 0 | 0.0 |
| 2005 Q4 | 1,788 | 0 | 0 | 0.0 |
| 2005 Q3 | 2,181 | 0 | 0 | 0.0 |
| 2005 Q2 | 1,833 | 4 | 0 | 2182.2 |
| 2005 Q1 | 1,365 | 0 | 0 | 0.0 |
| 2004 Q4 | 1,475 | 0 | 0 | 0.0 |
| 2004 Q3 | 3,122 | 0 | 0 | 0.0 |
| 2004 Q2 | 2,064 | 0 | 0 | 0.0 |
| 2004 Q1 | 1,567 | 0 | 0 | 0.0 |
| 2003 Q4 | 1,586 | 2 | 0 | 1261.0 |
| 2003 Q3 | 1,636 | 0 | 0 | 0.0 |
| 2003 Q2 | 2,966 | 0 | 0 | 0.0 |
| 2003 Q1 | 2,934 | 0 | 0 | 0.0 |
| 2002 Q4 | 2,279 | 0 | 0 | 0.0 |
| 2002 Q3 | 1,912 | 0 | 0 | 0.0 |
| 2002 Q2 | 2,324 | 0 | 0 | 0.0 |
| 2002 Q1 | 1,708 | 0 | 0 | 0.0 |
| 2001 Q4 | 1,636 | 0 | 0 | 0.0 |
| 2001 Q3 | 1,580 | 3 | 0 | 1898.7 |
| 2001 Q2 | 1,412 | 0 | 0 | 0.0 |
| 2001 Q1 | 1,464 | 0 | 0 | 0.0 |
| 2000 Q4 | 1,929 | 5 | 0 | 2592.0 |
| 2000 Q3 | 2,000 | 0 | 0 | 0.0 |
| 2000 Q2 | 1,579 | 1 | 0 | 633.3 |
| 2000 Q1 | 1,260 | 0 | 0 | 0.0 |
No fatalities recorded at this mine.
Reportable incidents
10 on file2025 · 1 incident
2001 · 2 incidents
November 30, 2001
IA · Metal/Non-Metal
warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator
HANDTOOLS (NONPOWERED)
RiverStone Group Inc · Struck by... (Not Elsewhere Classified)
EE ALLEGES HE WAS USING A KNIFE TO INSTALL A NEW BELT ON THE CONVEYOR AND THE KNIFE SLIPPED AND CUT HIS THUMB. HE RECEIVED 5 STITCHES.
RiverStone Group Inc · Struck by falling object
EMPLOYEE ALLEGES HE WAS DISASSEMBLING A PUMP USING A PRY BAR TO UNSCREW THE IMPELLER AND THE BAR SLIPPED FORCING THE BAR ONTO HIS RIGHT CALF.
2000 · 1 incident
February 15, 2000
IA · Metal/Non-Metal
warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator
HANDLING OF MATERIALS
RiverStone Group Inc · Caught in, under or between (Not Elsewhere Classified)
EMPLOYEE ALLEGES HE WAS THROWING PIPE WRENCH UP ON WAH PLANT DECK AND HIS FINGER GOT STUCK BETWEEN THE ADJUSTMENT AND WAS SMASHED.
1999 · 1 incident
January 6, 1999
IA · Metal/Non-Metal
haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver
HANDLING OF MATERIALS
RiverStone Group Inc · Struck by... (Not Elsewhere Classified)
EE ALLEGES HE WAS CLEANING FROZEN ROCK OUT OF BIN & A WALL OF ROCK BROKE FREE AND HIT HIM IN HISLEFT KNEE
1997 · 1 incident
June 13, 1997
IA · Metal/Non-Metal
crane operator, mobile equipment operator (meo), dragline operator, dropball operator, rigger
POWERED HAULAGE
RiverStone Group Inc · Struck against a moving object
EE ALLEGES HE WAS IN PIT AREA DRIVING A HAUL TRUCK OVER ROUGH ROAD, NEW TRUCK IT WAS BOUNCING ON ROUGH ROAD AND THE TURBULENCE FROM RIDE CAUSED HIM TO STRAIN HIS LOWER BACK.
1991 · 3 incidents
September 12, 1991
IA · Metal/Non-Metal
quality control technician, laboratory technician, laboratory assistant
HANDLING OF MATERIALS
RiverStone Group Inc · Over-exertion in lifting objects
EMPL LIFTED BUCKETS OF SAND ONTO HAND TRUCK TO TAKE BACK TO LAB. SUPV FIRST AWARE OF INJURY 9-16-91.
July 25, 1991
IA · Metal/Non-Metal
haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver
HANDTOOLS (NONPOWERED)
RiverStone Group Inc · Struck by... (Not Elsewhere Classified)
WHILE TIGHTENING DOWN CHAINS WITH RATCHET BINDERBINDER CAME LOOSE AND HANDLE STRUCK EMPLOYEE IN EYE.
June 13, 1991
IA · Metal/Non-Metal
quality control technician, laboratory technician, laboratory assistant
SLIP OR FALL OF PERSON
RiverStone Group Inc · Over-exertion (Not Elsewhere Classified)
EMPLOYEE WAS CATCHING ROCK SAMPLES OFF BELT OF WASH PLANT. AFTER TAKING SAMPLES, EMPLOYEE WAS COMING DOWN STAIRCASE CARRYING 2 SAMPLES BUCKETS OF ROCK-TWISTED BODY ON STEPS.
1985 · 1 incident
December 16, 1985
IA · Metal/Non-Metal
crane operator, mobile equipment operator (meo), dragline operator, dropball operator, rigger
SLIP OR FALL OF PERSON
RiverStone Group Inc · Fall to the walkway or working surface
EE SLIPPED ON 3CE & THREW HIS BACK OUT.