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Potosi Plant #(CS66) Metal/Non-Metal

Controlled by Riverstone Group
Potosi, Washington County, MO  ·  Active
MSHA Mine ID: 2302423

Potosi Plant #(CS66) 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
1
Years on record
2022
Latest incident
Sep 2022
Compliance record
MSHA citations since 2011
21
citations
3
significant & substantial
$2,901
proposed penalties
$2,750
paid to date
95% of proposed penalties paid to date, a $151 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2011
28
inspections on record
378
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: 378 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Potosi Plant #(CS66) 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
19 assessments are final orders; 1 contested dockets.
As of the most recent assessment on 2025-10-22.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
See also the operator's enforcement record
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
2025 Q4 4,887 5 1 1023.1
2025 Q3 4,978 0 0 0.0
2025 Q2 5,246 1 0 190.6
2025 Q1 3,502 0 0 0.0
2024 Q4 4,005 2 0 499.4
2024 Q3 4,202 0 0 0.0
2024 Q2 5,077 0 0 0.0
2024 Q1 4,300 1 0 232.6
Show 49 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 3,628 0 0 0.0
2023 Q3 3,228 4 0 1239.2
2023 Q1 1,868 0 0 0.0
2022 Q4 3,053 0 0 0.0
2022 Q3 3,916 0 0 0.0
2022 Q2 3,602 0 0 0.0
2022 Q1 3,041 0 0 0.0
2021 Q4 3,237 0 0 0.0
2021 Q3 4,194 0 0 0.0
2021 Q2 2,688 0 0 0.0
2021 Q1 2,936 0 0 0.0
2020 Q4 2,837 0 0 0.0
2020 Q3 2,334 0 0 0.0
2020 Q2 2,573 0 0 0.0
2020 Q1 2,664 0 0 0.0
2019 Q4 2,786 0 0 0.0
2019 Q3 2,729 0 0 0.0
2019 Q2 3,846 0 0 0.0
2019 Q1 3,232 1 1 309.4
2018 Q4 2,858 0 0 0.0
2018 Q3 3,068 0 0 0.0
2018 Q2 3,888 0 0 0.0
2018 Q1 2,940 3 1 1020.4
2017 Q4 2,897 0 0 0.0
2017 Q3 3,712 0 0 0.0
2017 Q2 3,023 0 0 0.0
2017 Q1 1,337 0 0 0.0
2016 Q4 1,424 0 0 0.0
2016 Q3 1,341 0 0 0.0
2016 Q2 1,674 0 0 0.0
2016 Q1 1,525 1 0 655.7
2015 Q4 1,525 0 0 0.0
2015 Q3 1,358 0 0 0.0
2015 Q2 1,472 0 0 0.0
2015 Q1 1,809 0 0 0.0
2014 Q4 1,301 0 0 0.0
2014 Q3 1,412 0 0 0.0
2014 Q2 1,586 0 0 0.0
2014 Q1 462 0 0 0.0
2013 Q4 1,208 0 0 0.0
2013 Q3 1,339 0 0 0.0
2013 Q2 1,316 0 0 0.0
2013 Q1 1,216 0 0 0.0
2012 Q4 1,475 1 0 678.0
2012 Q3 1,771 0 0 0.0
2012 Q2 2,127 0 0 0.0
2012 Q1 1,821 0 0 0.0
2011 Q4 1,983 1 0 504.3
2011 Q3 744 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

1 on file

2022 · 1 incident

September 9, 2022 MO · Metal/Non-Metal dry screening plant operator, screen house operator HANDTOOLS (NONPOWERED)
Central Stone Company · Struck against stationary object

Employee alleges they were shoveling off a overloaded conveyor and right thumb hit a metal chute causing a sprain to the right thumb. They had to wear a splint for the thumb.

For insurers, brokers, and safety consultants

The full compliance file on Potosi Plant #(CS66)

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.

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