While employee was cleaning under the wash plant with a mini skid steer EE backed into the H beam which forced EE's arm and wrist into the boom lift lever which injured the employees wrist.
Plant 1 Avondale Metal/Non-Metal
Arizona Materials
· Surface
Controlled by
Summit Materials LLC
Tolleson,
Maricopa County,
AZ
·
Active
MSHA Mine ID: 0203390
Plant 1 Avondale has $9K 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
- 1
- Years on record
- 2026
- Latest incident
- Jan 2026
Compliance record
MSHA citations since 2017
47
citations
21
significant & substantial
$8,855
proposed penalties
$8,855
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
23
inspections on record
256
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: 256 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 1 Avondale has $9K 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.$9K
proposed penalties
$9K
current assessed
$9K
paid to date
$0
outstanding
47 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2026-03-09.
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 | 4,580 | 0 | 0 | 0.0 |
| 2025 Q3 | 3,906 | 0 | 0 | 0.0 |
| 2025 Q2 | 5,142 | 0 | 0 | 0.0 |
| 2025 Q1 | 5,396 | 0 | 0 | 0.0 |
| 2024 Q4 | 4,890 | 1 | 0 | 204.5 |
| 2024 Q3 | 5,187 | 1 | 0 | 192.8 |
| 2024 Q2 | 6,434 | 0 | 0 | 0.0 |
| 2024 Q1 | 1,756 | 0 | 0 | 0.0 |
Show 25 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2023 Q4 | 8,585 | 0 | 0 | 0.0 |
| 2023 Q3 | 8,231 | 0 | 0 | 0.0 |
| 2023 Q2 | 7,714 | 0 | 0 | 0.0 |
| 2023 Q1 | 6,959 | 2 | 0 | 287.4 |
| 2022 Q4 | 6,829 | 0 | 0 | 0.0 |
| 2022 Q3 | 6,897 | 1 | 0 | 145.0 |
| 2022 Q2 | 5,998 | 0 | 0 | 0.0 |
| 2022 Q1 | 4,528 | 0 | 0 | 0.0 |
| 2021 Q4 | 9,049 | 0 | 0 | 0.0 |
| 2021 Q3 | 7,254 | 13 | 11 | 1792.1 |
| 2021 Q2 | 6,437 | 0 | 0 | 0.0 |
| 2021 Q1 | 6,523 | 0 | 0 | 0.0 |
| 2020 Q4 | 7,430 | 0 | 0 | 0.0 |
| 2020 Q3 | 7,417 | 4 | 1 | 539.3 |
| 2020 Q2 | 7,570 | 0 | 0 | 0.0 |
| 2020 Q1 | 6,545 | 0 | 0 | 0.0 |
| 2019 Q4 | 6,677 | 0 | 0 | 0.0 |
| 2019 Q3 | 8,086 | 0 | 0 | 0.0 |
| 2019 Q2 | 11,502 | 6 | 3 | 521.6 |
| 2019 Q1 | 8,894 | 0 | 0 | 0.0 |
| 2018 Q4 | 9,032 | 0 | 0 | 0.0 |
| 2018 Q3 | 9,720 | 0 | 0 | 0.0 |
| 2018 Q2 | 8,308 | 0 | 0 | 0.0 |
| 2018 Q1 | 5,460 | 0 | 0 | 0.0 |
| 2017 Q4 | 3,863 | 6 | 4 | 1553.2 |
No fatalities recorded at this mine.
Reportable incidents
1 on file2026 · 1 incident
January 9, 2026
AZ · Metal/Non-Metal
bulldozer operator, universal operator, heavy equipment operator, operating engineer
POWERED HAULAGE
Arizona Materials · Over-exertion (Not Elsewhere Classified)
For insurers, brokers, and safety consultants
The full compliance file on Plant 1 Avondale
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.