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Potosi Plant #(CS66) Metal/Non-Metal

Central Stone Company · Surface

Controlled by Riverstone Group

Potosi, Washington County, MO · Active

MSHA Mine ID: 2302423

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Email me when a new MSHA incident is filed at Potosi Plant #(CS66).

Fatalities: 0
Total incidents: 1
Years on record: 2022
Latest incident: Sep 2022

Compliance record

MSHA citations since 2011

citations

significant & substantial

$2,901

proposed penalties

$2,599

paid to date

Source: MSHA violations data, updated weekly.

Quarterly safety rates

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	4,306	0	0	0.0
2025 Q1	2,905	0	0	0.0
2024 Q4	3,456	2	0	578.7
2024 Q3	3,571	0	0	0.0
2024 Q2	542	0	0	0.0
2024 Q1	4,300	1	0	232.6
2023 Q4	3,628	0	0	0.0

Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.

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.