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Plant 1 Avondale Metal/Non-Metal

Arizona Materials · Surface

Controlled by Summit Materials LLC

Tolleson, Maricopa County, AZ · Active

MSHA Mine ID: 0203390

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Email me when a new MSHA incident is filed at Plant 1 Avondale.

Fatalities: 0
Total incidents: 1
Years on record: 2026
Latest incident: Jan 2026

Compliance record

MSHA citations since 2017

citations

significant & substantial

$8,855

proposed penalties

$8,855

paid to date

Source: MSHA violations data, updated weekly.

Quarterly safety rates

Citations per million employee-hours, as reported to MSHA

Quarter	Hours worked	Citations	Per 1M hrs
2025 Q4	4,580	0	0.0
2025 Q3	3,906	0	0.0
2025 Q2	5,142	0	0.0
2025 Q1	5,396	0	0.0
2024 Q4	4,890	1	204.5
2024 Q3	11	1	90909.1
2024 Q2	6,434	0	0.0
2024 Q1	1,756	0	0.0

Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.

No fatalities recorded at this mine.

Reportable incidents

1 on file

2026 · 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)

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.