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

Active Surface SandAndGravel

Operator: Martin Marietta Arizona, LLC

Controller: Martin Marietta Materials Inc

Location: Coolidge, Pinal County, AZ

Employees: 14

28
Violations
4
S&S Violations
1
Accidents
$9K
Penalties

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

MSHA Mine ID0203173
Mine TypeSurface
StatusActive
CommoditySandAndGravel
SIC DescriptionConstruction Sand and Gravel
Employees14
Days/Week5.0
Hours/Shift10.0
Coordinates33.0233330, -111.4908330
Nearest TownCoolidge

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.