Plum Aggregate Operating Company Metal/Non-Metal
Rio Materials LLC
· Surface
Controlled by
Pedro Ivan Delgado
Plum,
Fayette County,
TX
·
Active
MSHA Mine ID: 4104996
Plum Aggregate Operating Company has $20K in proposed MSHA penalties and $3K outstanding across 1 contested dockets, plus health sampling and the full incident record.
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- Fatalities
- 0
- Total incidents
- 0
- Years on record
- —
- Latest incident
- —
Compliance record
MSHA citations since 2014
92
citations
40
significant & substantial
$20,171
proposed penalties
$17,589
paid to date
87% of proposed penalties paid to date, a $2,582 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2013
40
inspections on record
501
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: 501 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Plum Aggregate Operating Company has $20K in proposed MSHA penalties and $3K 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.$20K
proposed penalties
$20K
current assessed
$18K
paid to date
$3K
outstanding
88 assessments are final orders; 1 contested dockets.
As of the most recent assessment on 2026-04-21.
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 | 7,028 | 3 | 0 | 426.9 |
| 2025 Q3 | 6,738 | 8 | 7 | 1187.3 |
| 2025 Q2 | 6,507 | 0 | 0 | 0.0 |
| 2025 Q1 | 6,080 | 3 | 1 | 493.4 |
| 2024 Q4 | 5,700 | 0 | 0 | 0.0 |
| 2024 Q3 | 6,112 | 0 | 0 | 0.0 |
| 2024 Q2 | 8,489 | 1 | 0 | 117.8 |
| 2024 Q1 | 9,219 | 1 | 1 | 108.5 |
Show 44 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2023 Q4 | 8,960 | 0 | 0 | 0.0 |
| 2023 Q3 | 10,195 | 2 | 1 | 196.2 |
| 2023 Q2 | 8,975 | 2 | 1 | 222.8 |
| 2023 Q1 | 9,035 | 0 | 0 | 0.0 |
| 2022 Q4 | 8,851 | 0 | 0 | 0.0 |
| 2022 Q3 | 9,123 | 4 | 0 | 438.5 |
| 2022 Q2 | 7,380 | 23 | 12 | 3116.5 |
| 2022 Q1 | 7,009 | 0 | 0 | 0.0 |
| 2021 Q4 | 7,200 | 0 | 0 | 0.0 |
| 2021 Q3 | 9,000 | 4 | 2 | 444.4 |
| 2021 Q2 | 7,200 | 0 | 0 | 0.0 |
| 2021 Q1 | 6,900 | 0 | 0 | 0.0 |
| 2020 Q4 | 8,100 | 1 | 0 | 123.5 |
| 2020 Q3 | 5,919 | 5 | 2 | 844.7 |
| 2020 Q2 | 6,198 | 0 | 0 | 0.0 |
| 2020 Q1 | 5,750 | 1 | 0 | 173.9 |
| 2019 Q4 | 4,920 | 0 | 0 | 0.0 |
| 2019 Q3 | 3,917 | 6 | 3 | 1531.8 |
| 2019 Q2 | 5,143 | 0 | 0 | 0.0 |
| 2019 Q1 | 1,560 | 0 | 0 | 0.0 |
| 2018 Q4 | 2,598 | 3 | 2 | 1154.7 |
| 2018 Q3 | 3,680 | 0 | 0 | 0.0 |
| 2018 Q2 | 3,562 | 3 | 1 | 842.2 |
| 2018 Q1 | 3,896 | 0 | 0 | 0.0 |
| 2017 Q4 | 3,988 | 0 | 0 | 0.0 |
| 2017 Q3 | 4,555 | 0 | 0 | 0.0 |
| 2017 Q2 | 4,755 | 2 | 0 | 420.6 |
| 2017 Q1 | 4,377 | 0 | 0 | 0.0 |
| 2016 Q4 | 4,921 | 1 | 0 | 203.2 |
| 2016 Q3 | 5,336 | 2 | 0 | 374.8 |
| 2016 Q2 | 5,653 | 0 | 0 | 0.0 |
| 2016 Q1 | 5,862 | 0 | 0 | 0.0 |
| 2015 Q4 | 4,703 | 1 | 0 | 212.6 |
| 2015 Q3 | 4,893 | 0 | 0 | 0.0 |
| 2015 Q2 | 5,799 | 1 | 0 | 172.4 |
| 2015 Q1 | 5,826 | 0 | 0 | 0.0 |
| 2014 Q4 | 6,300 | 3 | 1 | 476.2 |
| 2014 Q3 | 6,728 | 2 | 0 | 297.3 |
| 2014 Q2 | 6,255 | 2 | 1 | 319.7 |
| 2014 Q1 | 7,658 | 4 | 2 | 522.3 |
| 2013 Q4 | 6,403 | 0 | 0 | 0.0 |
| 2013 Q3 | 5,041 | 0 | 0 | 0.0 |
| 2013 Q2 | 3,320 | 0 | 0 | 0.0 |
| 2013 Q1 | 1,660 | 0 | 0 | 0.0 |
No reportable incidents on file.
MSHA has no recorded reportable accidents for this mine in the current dataset. New reports appear here within a week of being filed.
For insurers, brokers, and safety consultants
The full compliance file on Plum Aggregate Operating Company
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.