Mining Incidents

1016 Peoria Metal/Non-Metal

Controlled by Arcosa, Inc
San Tan Valley, Maricopa County, AZ  ·  Active
MSHA Mine ID: 0203359

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Fatalities
0
Total incidents
13
Years on record
2017–2024
Latest incident
Jul 2024
Compliance record
MSHA citations since 2016
53
citations
23
significant & substantial
$18,350
proposed penalties
$17,737
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 S&S Per 1M hrs
2025 Q4 6,657 0 0 0.0
2025 Q3 7,785 3 2 385.4
2025 Q2 7,323 0 0 0.0
2025 Q1 974 8 4 8213.6
2024 Q4 8,087 0 0 0.0
2024 Q3 7,789 4 1 513.5
2024 Q1 9,659 1 0 103.5
2023 Q2 1,552 0 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

13 on file

2024 · 3 incidents

July 3, 2024 AZ · Metal/Non-Metal dry screening plant operator, screen house operator POWERED HAULAGE
Arcosa Aggregates West, LLC. · Struck against a moving object

On 7-3-24, employee woke up with a sore back. During the shift, they operated a 980m Front End loader. About halfway through the shift, they got off the loader to work on the wash plant. They got back in the loader and around 10:00 a.m., they informed the Plant Manager of a minor pain in their back.

April 23, 2024 AZ · Metal/Non-Metal water truck operator EXPLODING VESSELS UNDER PRESSURE
Arcosa Aggregates West, LLC. · Struck by flying object

The employee was airing up/checking the pressures of the tires of the water truck. After checking the pressure of one of the tires, the employee went to grab the air chuck to add air to the tire. As EE approached, the tire blew out. The employee was about 4 feet away from the tire, but the air pressure blew EE's safety glasses against EE's eyes and debris into EE's eyes.

February 26, 2024 AZ · Metal/Non-Metal mine manager, mine foreman, mine owner MACHINERY
Arcosa Aggregates West, LLC. · Caught in, under or between running or meshing objects

On 2-26-24 EE was using a MAG drill to drill holes on the inside frame of a stacker. In operation EE attempted to clean the metal that was stuck to the drill bit. The drill bit caught EE's glove entangling EE's hand into the drill bit. An employee that was assisting hit the emergency stop on the drill. The entanglement resulted in a laceration to right hand.

2023 · 1 incident

October 5, 2023 AZ · Metal/Non-Metal welder (shop) SLIP OR FALL OF PERSON
Arcosa Aggregates West, LLC. · Fall from machine

EE was on top of a conveyor hooking up chains to the lifting eyes to lift the conveyor with the 988k Loader. EE signaled to the loader to put pressure on the chains and then unhooked the fall protection to be able to climb down. The chains that were attached then slipped causing the employee to fall off the side of the conveyor 10 feet to the ground.

2020 · 2 incidents

July 14, 2020 AZ · Metal/Non-Metal washer operator, sizing operator POWERED HAULAGE
Southwest Rock Products · Caught in, under or between running or meshing objects

The employee was checking the tightness of the belts when the machine activated, pinching employee's fingers between the belt and the pulley.

July 11, 2020 AZ · Metal/Non-Metal washer operator, sizing operator HANDLING OF MATERIALS
Southwest Rock Products · Over-exertion in wielding or throwing objects

Employee claims to have been shoveling dirt and rock the previous day. The following day, back was sore. Lost time accident as of 7/13/20.

2019 · 1 incident

May 20, 2019 AZ · Metal/Non-Metal weighman, scale person SLIP OR FALL OF PERSON
Southwest Rock Products · Fall to the walkway or working surface

The employee was walking to the port-a-john when plastic (trash) wrapped around their leg and tripped them. They hit the gravel causing cuts to their hand and forehead. No lost time, but sought treatment on 5-20-19.

2018 · 2 incidents

November 12, 2018 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Southwest Rock Products · Struck by falling object

The injured employee and another employee were moving a large piece of plate steel. The injured employee dropped their end and the plate steel struck their leg and landed on their foot.

April 18, 2018 AZ · Metal/Non-Metal crusher attendant/operator, pan feeder operator/worker SLIP OR FALL OF PERSON
Southwest Rock Products · Fall from machine

The employee had just gotten finished changing screens on the JCI screen. As ee was rushing to get back to the MCC to get the plant started back up, ee missed the second from the top step and fell approximately 10' to the ground, landing on left foot. The employee complained of pain in ankle. No fracture or deformity observed. Became a loss work injury on 4/19/2018.

2017 · 4 incidents

August 29, 2017 AZ · Metal/Non-Metal welder (shop) STEPPING OR KNEELING ON OBJECT
Southwest Rock Products · Struck against stationary object

The employee was moving a metal beam from one area to another. There were lifting chains on the ground nearby that the employee didn't see. While carrying the beam, the employee stepped on the chains, the chains and the employees foot slid out from under EE, and EE's knee twisted. Employee referred to doctor for evaluation.

July 19, 2017 AZ · Metal/Non-Metal welder (non-shop) SLIP OR FALL OF PERSON
Southwest Rock Products · Over-exertion (Not Elsewhere Classified)

The miner was walking from EE's welding truck to the parts room when EE's foot slid in mud on concrete. When EE's foot slid, EE's knee twisted. The miner continued to work until 7/24/2017, when EE was sent to the doctor. EE received PT and medication. Injury became reportable on 7/24/2017.

July 14, 2017 AZ · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator MACHINERY
Southwest Rock Products · Contact with hot objects or substances

The miner was assisting a welder with fabrication activities when slag entered glove cuff and burned three fingers. The miner declined treatment at the time. The following Monday (7-17-2017), the miner complained of pain and swelling and was sent to an urgent care for treatment. Did not become a lost time accident until 7-18-2017.

January 20, 2017 AZ · Metal/Non-Metal crusher attendant/operator, pan feeder operator/worker HANDLING OF MATERIALS
Southwest Rock Products · Over-exertion in lifting objects

The employee was doing excessive shoveling the previous Wednesday, woke up Thursday with back a little sore, worked Thursday, woke up Friday with intense back pain, but still came to work. Injury reported 1/20/2017 and became a lost time accident 1/23/2017.