Plant 1343-Emerald Rock/Cooper has $6K in proposed MSHA penalties and $168 outstanding across 2 contested dockets, plus health sampling and the full incident record.
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Fatalities
0
Total incidents
1
Years on record
2019
Latest incident
Mar 2019
Compliance record
MSHA citations since 2019
23
citations
2
significant & substantial
$6,159
proposed penalties
$3,138
paid to date
51% of proposed penalties paid to date, a $3,021 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2019
19
inspections on record
208
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: 208 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Plant 1343-Emerald Rock/Cooper has $6K in proposed MSHA penalties and $168 outstanding across 2 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.
$6K
proposed penalties
$3K
current assessed
$3K
paid to date
$168
outstanding
21 assessments are final orders; 2 contested dockets.
As of the most recent assessment on 2025-12-11.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
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
2,577
3
1
1164.1
2025 Q3
2,557
0
0
0.0
2025 Q2
1,200
1
0
833.3
2025 Q1
5,152
0
0
0.0
2024 Q4
5,699
1
0
175.5
2024 Q3
5,697
0
0
0.0
2024 Q2
6,062
0
0
0.0
2024 Q1
5,789
0
0
0.0
Show 21 earlier quartersHide earlier quarters
Quarter
Hours worked
Citations
S&S
Per 1M hrs
2023 Q4
5,355
0
0
0.0
2023 Q3
5,886
0
0
0.0
2023 Q2
5,237
1
0
190.9
2023 Q1
6,220
0
0
0.0
2022 Q4
5,984
0
0
0.0
2022 Q3
5,545
1
0
180.3
2022 Q2
5,728
0
0
0.0
2022 Q1
4,871
3
0
615.9
2021 Q4
4,395
0
0
0.0
2021 Q3
4,180
0
0
0.0
2021 Q2
4,434
2
0
451.1
2021 Q1
5,251
0
0
0.0
2020 Q4
5,514
4
1
725.4
2020 Q3
5,074
0
0
0.0
2020 Q2
5,395
0
0
0.0
2020 Q1
6,103
0
0
0.0
2019 Q4
5,272
3
0
569.0
2019 Q3
5,048
1
0
198.1
2019 Q2
4,505
0
0
0.0
2019 Q1
4,200
3
0
714.3
2018 Q4
4,966
0
0
0.0
No fatalities recorded at this mine.
Reportable incidents
1 on file
2019 · 1 incident
March 5, 2019LA · Metal/Non-Metalbarge/boat/dredge/towbarge/towboat/leach operator, riverman, deck handMACHINERY
The IE repositioned self on top of a weir which caused the employee/operator to lose visual of one another. As the 326F bucket was lowered, it brushed EE's outside right leg which caused EE's inside right leg to scrape alongside the flange of the weir. IE's inside right leg received a laceration from below the knee to the bottom of EE's calf.
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The full compliance file on Plant 1343-Emerald Rock/Cooper
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.