Maricopa Plant Metal/Non-Metal
Vulcan Asphalt LLC
· Surface
Controlled by
Vulcan Materials Company
Maricopa,
Pinal County,
AZ
·
Intermittent
MSHA Mine ID: 0203368
Maricopa Plant has $2K in proposed MSHA penalties and $0 outstanding across 0 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 2017
10
citations
1
significant & substantial
$1,867
proposed penalties
$1,867
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2017
12
inspections on record
108
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: 108 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Maricopa Plant has $2K in proposed MSHA penalties and $0 outstanding across 0 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.$2K
proposed penalties
$2K
current assessed
$2K
paid to date
$0
outstanding
10 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2025-03-24.
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 | 426 | 0 | 0 | 0.0 |
| 2025 Q3 | 477 | 0 | 0 | 0.0 |
| 2025 Q2 | 754 | 0 | 0 | 0.0 |
| 2025 Q1 | 898 | 1 | 0 | 1113.6 |
| 2024 Q4 | 633 | 0 | 0 | 0.0 |
| 2024 Q3 | 642 | 0 | 0 | 0.0 |
| 2024 Q2 | 725 | 0 | 0 | 0.0 |
| 2024 Q1 | 687 | 0 | 0 | 0.0 |
Show 27 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2023 Q4 | 723 | 0 | 0 | 0.0 |
| 2023 Q3 | 1,108 | 1 | 0 | 902.5 |
| 2023 Q2 | 864 | 0 | 0 | 0.0 |
| 2023 Q1 | 644 | 0 | 0 | 0.0 |
| 2022 Q4 | 58 | 0 | 0 | 0.0 |
| 2022 Q3 | 500 | 2 | 1 | 4000.0 |
| 2022 Q2 | 48 | 0 | 0 | 0.0 |
| 2022 Q1 | 274 | 0 | 0 | 0.0 |
| 2021 Q4 | 58 | 0 | 0 | 0.0 |
| 2021 Q3 | 195 | 0 | 0 | 0.0 |
| 2021 Q2 | 378 | 0 | 0 | 0.0 |
| 2021 Q1 | 581 | 0 | 0 | 0.0 |
| 2020 Q4 | 528 | 0 | 0 | 0.0 |
| 2020 Q3 | 644 | 0 | 0 | 0.0 |
| 2020 Q2 | 1,100 | 0 | 0 | 0.0 |
| 2020 Q1 | 836 | 0 | 0 | 0.0 |
| 2019 Q4 | 1,512 | 0 | 0 | 0.0 |
| 2019 Q3 | 1,654 | 0 | 0 | 0.0 |
| 2019 Q2 | 811 | 1 | 0 | 1233.0 |
| 2019 Q1 | 404 | 0 | 0 | 0.0 |
| 2018 Q4 | 365 | 0 | 0 | 0.0 |
| 2018 Q3 | 603 | 0 | 0 | 0.0 |
| 2018 Q2 | 562 | 0 | 0 | 0.0 |
| 2018 Q1 | 282 | 0 | 0 | 0.0 |
| 2017 Q4 | 137 | 4 | 0 | 29197.1 |
| 2017 Q3 | 105 | 1 | 0 | 9523.8 |
| 2017 Q2 | 64 | 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 Maricopa Plant
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.