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St Clair Quarry Metal/Non-Metal

Cooper Stone LLC · Surface
Controlled by Dustin Cooper
Marble City, Sequoyah County, OK  ·  Intermittent
MSHA Mine ID: 3401813

St Clair Quarry has $18K in proposed MSHA penalties and $369 outstanding across 1 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
6
Years on record
2013–2019
Latest incident
Apr 2019
Compliance record
MSHA citations since 2001
57
citations
14
significant & substantial
$18,041
proposed penalties
$17,672
paid to date
98% of proposed penalties paid to date, a $369 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2001
44
inspections on record
471
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: 471 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

St Clair Quarry has $18K in proposed MSHA penalties and $369 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.
$18K
proposed penalties
$18K
current assessed
$18K
paid to date
$369
outstanding
57 assessments are final orders; 1 contested dockets.
As of the most recent assessment on 2026-03-25.
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 20 0 0 0.0
2025 Q3 18 0 0 0.0
2025 Q2 16 0 0 0.0
2025 Q1 16 0 0 0.0
2024 Q4 32 0 0 0.0
2024 Q3 18 0 0 0.0
2024 Q2 34 0 0 0.0
2024 Q1 96 0 0 0.0
Show 82 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 14 0 0 0.0
2023 Q3 15 0 0 0.0
2023 Q1 0 0 0
2022 Q4 280 0 0 0.0
2022 Q3 2,007 0 0 0.0
2022 Q2 2,522 2 0 793.0
2022 Q1 4,185 0 0 0.0
2021 Q4 3,206 0 0 0.0
2021 Q3 4,634 0 0 0.0
2021 Q2 3,767 2 0 530.9
2021 Q1 3,990 0 0 0.0
2020 Q4 3,912 3 1 766.9
2020 Q3 3,869 0 0 0.0
2020 Q2 3,748 2 0 533.6
2020 Q1 3,955 4 1 1011.4
2019 Q4 4,717 0 0 0.0
2019 Q3 4,866 0 0 0.0
2019 Q2 4,069 1 0 245.8
2019 Q1 3,098 2 0 645.6
2018 Q4 4,058 0 0 0.0
2018 Q3 5,221 0 0 0.0
2018 Q2 5,051 4 0 791.9
2018 Q1 3,054 0 0 0.0
2017 Q4 2,151 3 1 1394.7
2017 Q3 2,605 0 0 0.0
2017 Q2 2,282 0 0 0.0
2017 Q1 4,974 6 4 1206.3
2016 Q4 2,184 0 0 0.0
2016 Q3 3,343 0 0 0.0
2016 Q2 2,600 1 0 384.6
2016 Q1 2,525 0 0 0.0
2015 Q4 582 0 0 0.0
2015 Q2 2,294 0 0 0.0
2015 Q1 1,224 4 0 3268.0
2014 Q4 2,006 0 0 0.0
2014 Q3 3,225 0 0 0.0
2014 Q2 4,047 0 0 0.0
2014 Q1 3,084 7 4 2269.8
2013 Q4 3,700 0 0 0.0
2013 Q3 2,324 0 0 0.0
2013 Q2 1,995 0 0 0.0
2013 Q1 333 4 1 12012.0
2010 Q3 3 0 0 0.0
2010 Q2 2 0 0 0.0
2010 Q1 12 0 0 0.0
2009 Q4 10 0 0 0.0
2009 Q3 20 0 0 0.0
2009 Q2 168 0 0 0.0
2009 Q1 172 0 0 0.0
2008 Q4 180 0 0 0.0
2008 Q3 156 0 0 0.0
2008 Q2 200 0 0 0.0
2008 Q1 48 0 0 0.0
2007 Q4 36 0 0 0.0
2007 Q3 187 2 0 10695.2
2007 Q2 190 0 0 0.0
2007 Q1 75 0 0 0.0
2006 Q4 220 0 0 0.0
2006 Q3 106 1 0 9434.0
2006 Q2 81 0 0 0.0
2006 Q1 24 0 0 0.0
2005 Q4 24 0 0 0.0
2005 Q3 156 1 0 6410.3
2005 Q2 230 0 0 0.0
2005 Q1 66 0 0 0.0
2004 Q4 28 0 0 0.0
2004 Q3 53 0 0 0.0
2004 Q2 75 0 0 0.0
2004 Q1 150 0 0 0.0
2003 Q4 75 0 0 0.0
2003 Q3 35 0 0 0.0
2003 Q2 15 0 0 0.0
2003 Q1 4 1 0 250000.0
2002 Q4 24 0 0 0.0
2002 Q3 18 0 0 0.0
2002 Q2 4 0 0 0.0
2002 Q1 54 0 0 0.0
2001 Q4 30 0 0 0.0
2001 Q3 94 0 0 0.0
2001 Q2 186 6 2 32258.1
2001 Q1 57 0 0 0.0
2000 Q1 232 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

6 on file

2019 · 1 incident

2018 · 2 incidents

February 21, 2018 OK · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
Polycor Oklahoma Inc. · Over-exertion (Not Elsewhere Classified)

EE was cranking the bench vice when EE felt a sharp pain in the center of EE's back.

2017 · 1 incident

July 23, 2017 OK · Metal/Non-Metal ledgeman/hand, quarry man DISORDERS (PHYSICAL AGENTS)
Polycor Oklahoma Inc. · Contact with heat

EMPLOYEE EXPERIENCED SYMPTOMS OF HEAT-RELATED ILLNESS.

2013 · 2 incidents

October 19, 2013 OK · Metal/Non-Metal stone finishing and sizing personnel, stone/rock cut/polish/saw operator, splitter, cutter, trimmer MACHINERY
Marble City-Cedar Ridge Quarries · Struck by rolling or sliding object

Employee was pulling a track off a rock and the track slid down suddenly and cut his ring finger on his right hand.

June 25, 2013 OK · Metal/Non-Metal stone finishing and sizing personnel, stone/rock cut/polish/saw operator, splitter, cutter, trimmer HANDLING OF MATERIALS
Marble City-Cedar Ridge Quarries · Over-exertion in lifting objects

EE was using a shovel to remove some dirt and heard his shoulder pop.

For insurers, brokers, and safety consultants

The full compliance file on St Clair Quarry

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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