Key Takeaway
Coolidge Plant 65 is a active surface mine producing SandAndGravel, located in Coolidge, Pinal County, AZ. It has 28 violations on record (4 S&S) and $9K in proposed penalties. Operated by Martin Marietta Arizona, LLC.
Coolidge Plant 65
Operator: Martin Marietta Arizona, LLC
Controller: Martin Marietta Materials Inc
Location: Coolidge, Pinal County, AZ
Employees: 14
Recent Violations
View all 28 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 10/01/2024 | 56.14206(b) | Non-S&S | LowNegligence | $147 |
| 10/01/2024 | 56.12034 | Non-S&S | ModNegligence | $221 |
| 04/04/2023 | 56.4201(a)(1) | Non-S&S | LowNegligence | $143 |
| 12/20/2022 | 56.14101(a)(3) | Non-S&S | LowNegligence | $143 |
| 12/20/2022 | 56.14109(a) | Non-S&S | LowNegligence | $143 |
| 10/14/2020 | 56.12004 | Non-S&S | ModNegligence | $123 |
| 03/18/2020 | 56.12002 | Non-S&S | ModNegligence | $123 |
| 12/17/2012 | 50.30(a) | Non-S&S | ModNegligence | $100 |
| 06/01/2011 | 56.14211(b) | S&S | ModNegligence | $1,304 |
| 06/01/2011 | 56.15002 | S&S | ModNegligence | $1,304 |
| 06/01/2011 | 46.11(a) | S&S | ModNegligence | $1,842 |
| 06/01/2011 | 56.15006 | S&S | ModNegligence | $224 |
| 11/24/2009 | 56.14107(a) | Non-S&S | ModNegligence | $100 |
| 11/24/2009 | 56.12002 | Non-S&S | ModNegligence | $108 |
| 07/02/2008 | 56.12002 | Non-S&S | ModNegligence | $224 |
| 07/01/2008 | 46.11(a) | Non-S&S | ModNegligence | $1,449 |
| 03/12/2008 | 56.18002(b) | Non-S&S | ModNegligence | $100 |
| 03/11/2008 | 56.14107(a) | Non-S&S | ModNegligence | $100 |
| 03/11/2008 | 56.14107(a) | Non-S&S | ModNegligence | $100 |
| 03/11/2008 | 56.4201(b) | Non-S&S | ModNegligence | $100 |
Accidents & Injuries
View all 1 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 03/04/2020 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 12d restricted |
Inspections
View all 25 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 02/03/2026 | 02/04/2026 | 8.00 | 1 |
| 06/11/2025 | 06/11/2025 | 10.00 | 1 |
| 10/01/2024 | 10/07/2024 | 23.00 | 1 |
| 04/24/2024 | 04/24/2024 | 8.00 | 1 |
| 11/06/2023 | 11/07/2023 | 11.00 | 1 |
| 04/04/2023 | 04/04/2023 | 11.00 | 1 |
| 12/20/2022 | 12/20/2022 | 10.50 | 1 |
| 09/29/2022 | 09/29/2022 | 5.50 | 1 |
| 04/14/2022 | 04/14/2022 | 8.00 | 1 |
| 12/13/2021 | 12/15/2021 | 26.00 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does Coolidge Plant 65 have?
Coolidge Plant 65 has 28 MSHA violations on record, of which 4 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $9K.
What type of mine is Coolidge Plant 65?
Coolidge Plant 65 is a Surface mine producing SandAndGravel, located in Coolidge, Pinal County, AZ. It currently has 14 employees.
Has anyone been injured or killed at Coolidge Plant 65?
According to MSHA records, Coolidge Plant 65 has 1 reported accident/injury records and 0 fatalities on file.
Who operates Coolidge Plant 65?
Coolidge Plant 65 is operated by Martin Marietta Arizona, LLC and controlled by Martin Marietta Materials Inc. MSHA Mine ID: 0203173.