Key Takeaway

West Plant is a active surface mine producing SandAndGravel, located in Mesa, Maricopa County, AZ. It has 103 violations on record (19 S&S) and $28K in proposed penalties. Operated by CalMat Co.

West Plant

Active Surface SandAndGravel

Operator: CalMat Co

Controller: Vulcan Materials Company

Location: Mesa, Maricopa County, AZ

Employees: 28

103
Violations
19
S&S Violations
27
Accidents
$28K
Penalties

Recent Violations

View all 103 →
Date Section S&S Negligence Penalty
08/07/2025 56.20003(a) S&S ModNegligence $366
07/29/2025 56.4203 Non-S&S ModNegligence $151
07/29/2025 56.20003(a) Non-S&S ModNegligence $151
12/10/2024 56.12032 Non-S&S ModNegligence $147
12/10/2024 56.20003(a) Non-S&S ModNegligence $147
03/23/2022 56.12018 Non-S&S LowNegligence $133
07/20/2021 50.30(a) Non-S&S ModNegligence $125
03/18/2021 56.12032 Non-S&S ModNegligence $125
06/09/2020 56.12032 Non-S&S ModNegligence $234
09/12/2019 56.14109(a) Non-S&S ModNegligence $214
03/28/2019 56.14206(b) Non-S&S ModNegligence $121
03/28/2019 56.14107(a) Non-S&S ModNegligence $121
03/28/2019 56.14110 Non-S&S ModNegligence $121
03/28/2019 56.14109 Non-S&S ModNegligence $121
03/28/2019 56.11001 S&S ModNegligence $293
03/25/2019 56.14132(b)(1) Non-S&S ModNegligence $181
03/25/2019 45.4(b) Non-S&S ModNegligence $121
03/25/2019 46.11(a) Non-S&S ModNegligence $196
03/25/2019 56.12004 Non-S&S ModNegligence $196
03/25/2019 56.4201(a)(2) Non-S&S ModNegligence $121

Accidents & Injuries

View all 27 →
Date Classification Injury Days Lost
08/19/2024 STRIKING OR BUMPING DAYS RESTRICTED ACTIVITY ONLY 3d restricted
06/15/2023 HANDLING OF MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None
01/14/2022 SLIP OR FALL OF PERSON DYS AWY FRM WRK & RESTRCTD ACT 10d lost, 50d restricted
05/04/2019 MACHINERY NO DYS AWY FRM WRK,NO RSTR ACT None
07/12/2018 STRIKING OR BUMPING NO DYS AWY FRM WRK,NO RSTR ACT None
10/02/2015 DISORDERS (REPEATED TRAUMA) OCCUPATNAL ILLNESS NOT DEG 1-6 1d restricted
04/17/2014 HANDLING OF MATERIALS DAYS RESTRICTED ACTIVITY ONLY 6d restricted
03/17/2014 SLIP OR FALL OF PERSON DYS AWY FRM WRK & RESTRCTD ACT 87d lost, 13d restricted
04/09/2012 SLIP OR FALL OF PERSON DAYS RESTRICTED ACTIVITY ONLY 6d restricted
04/06/2010 SLIP OR FALL OF PERSON DAYS RESTRICTED ACTIVITY ONLY 13d restricted

Inspections

View all 67 →
Begin End Hours Inspectors
02/26/2026 02/26/2026 10.00 1
07/29/2025 08/11/2025 19.75 1
12/10/2024 12/11/2024 21.00 1
05/22/2024 05/22/2024 2.75 1
05/21/2024 05/21/2024 7.50 1
11/06/2023 11/09/2023 12.00 1
07/28/2023 07/31/2023 15.00 1
05/17/2023 05/17/2023 2.50 1
02/27/2023 02/27/2023 13.00 1
08/29/2022 08/30/2022 14.50 1

Mine Details

MSHA Mine ID0202166
Mine TypeSurface
StatusActive
CommoditySandAndGravel
SIC DescriptionConstruction Sand and Gravel
Employees28
Days/Week5.0
Hours/Shift10.0
Coordinates33.4022220, -112.1594440
Nearest TownMesa

Frequently Asked Questions

How many MSHA violations does West Plant have?

West Plant has 103 MSHA violations on record, of which 19 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $28K.

What type of mine is West Plant?

West Plant is a Surface mine producing SandAndGravel, located in Mesa, Maricopa County, AZ. It currently has 28 employees.

Has anyone been injured or killed at West Plant?

According to MSHA records, West Plant has 27 reported accident/injury records and 0 fatalities on file.

Who operates West Plant?

West Plant is operated by CalMat Co and controlled by Vulcan Materials Company. MSHA Mine ID: 0202166.