Key Takeaway
1024 San Tan Valley is a intermittent surface mine producing SandAndGravel, located in San Tan Valley, Pinal County, AZ. It has 6 violations on record (2 S&S) and $1K in proposed penalties. Operated by Arcosa Aggregates West, LLC.
1024 San Tan Valley
Operator: Arcosa Aggregates West, LLC
Controller: Arcosa, Inc
Location: San Tan Valley, Pinal County, AZ
Employees: 8
Recent Violations
View all 6 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 10/23/2025 | 56.9314 | S&S | ModNegligence | $366 |
| 10/23/2025 | 56.18002(a) | S&S | ModNegligence | $366 |
| 10/23/2025 | 56.14107(a) | Non-S&S | ModNegligence | $151 |
| 03/27/2025 | 47.41(a)(1) | Non-S&S | ModNegligence | $151 |
| 03/27/2025 | 56.4201(a)(2) | Non-S&S | HighNegligence | $165 |
| 09/03/2024 | 56.14107(a) | Non-S&S | LowNegligence | $147 |
Accidents & Injuries
View all 3 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 10/02/2025 | SLIP OR FALL OF PERSON | DYS AWY FRM WRK & RESTRCTD ACT | 10d lost, 43d restricted |
| 08/04/2025 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 23d restricted |
| 05/05/2025 | HANDTOOLS (NONPOWERED) | DYS AWY FRM WRK & RESTRCTD ACT | 5d lost, 4d restricted |
Inspections
View all 4 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 10/23/2025 | 10/24/2025 | 14.75 | 1 |
| 03/27/2025 | 03/28/2025 | 12.00 | 1 |
| 09/18/2024 | 09/19/2024 | 10.00 | 1 |
| 09/03/2024 | 09/04/2024 | 6.25 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does 1024 San Tan Valley have?
1024 San Tan Valley has 6 MSHA violations on record, of which 2 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $1K.
What type of mine is 1024 San Tan Valley?
1024 San Tan Valley is a Surface mine producing SandAndGravel, located in San Tan Valley, Pinal County, AZ. It currently has 8 employees.
Has anyone been injured or killed at 1024 San Tan Valley?
According to MSHA records, 1024 San Tan Valley has 3 reported accident/injury records and 0 fatalities on file.
Who operates 1024 San Tan Valley?
1024 San Tan Valley is operated by Arcosa Aggregates West, LLC and controlled by Arcosa, Inc. MSHA Mine ID: 0203493.