Key Takeaway
PALMDALE PLANT is a active surface mine producing SandAndGravel, located in Littlerock, Los Angeles County, CA. It has 54 violations on record (11 S&S) and $10K in proposed penalties. Operated by CALMAT CO.
PALMDALE PLANT
Operator: CALMAT CO
Controller: Vulcan Materials Company
Location: Littlerock, Los Angeles County, CA
Employees: 15
Recent Violations
View all 54 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 10/10/2025 | 56.14131(a) | Non-S&S | ModNegligence | $151 |
| 04/09/2025 | 56.9300(b) | Non-S&S | LowNegligence | $151 |
| 10/09/2024 | 47.44(a)(2) | Non-S&S | LowNegligence | $147 |
| 10/08/2024 | 56.12032 | Non-S&S | LowNegligence | $147 |
| 06/26/2024 | 56.9300(a) | S&S | ModNegligence | $2,253 |
| 06/26/2024 | 56.18002(b) | Non-S&S | HighNegligence | $147 |
| 11/28/2023 | 56.11001 | S&S | LowNegligence | $147 |
| 10/04/2022 | 56.12005 | Non-S&S | LowNegligence | $133 |
| 06/01/2022 | 46.5 | S&S | ModNegligence | $678 |
| 01/11/2022 | 56.14100(b) | S&S | ModNegligence | $183 |
| 10/16/2020 | 50.30(a) | Non-S&S | ModNegligence | $125 |
| 05/30/2018 | 56.11003 | Non-S&S | LowNegligence | $118 |
| 06/12/2017 | 56.14130(i) | Non-S&S | NoNegligence | $116 |
| 10/06/2016 | 56.16001 | Non-S&S | ModNegligence | $114 |
| 10/26/2015 | 56.14107(a) | Non-S&S | LowNegligence | $100 |
| 11/03/2014 | 56.4104(b) | Non-S&S | ModNegligence | $100 |
| 04/02/2014 | 56.14107(a) | Non-S&S | ModNegligence | $100 |
| 06/18/2013 | 56.12032 | Non-S&S | ModNegligence | $100 |
| 10/23/2012 | 50.30(a) | Non-S&S | HighNegligence | $100 |
| 10/23/2012 | 56.14112(a)(1) | S&S | ModNegligence | $127 |
Accidents & Injuries
View all 14 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 10/12/2019 | POWERED HAULAGE | DYS AWY FRM WRK & RESTRCTD ACT | 1d lost, 68d restricted |
| 05/02/2013 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 5d restricted |
| 08/11/2010 | HANDTOOLS (NONPOWERED) | DAYS RESTRICTED ACTIVITY ONLY | 4d restricted |
| 07/18/2008 | MACHINERY | DAYS RESTRICTED ACTIVITY ONLY | 9d restricted |
| 02/19/2008 | DISORDERS (REPEATED TRAUMA) | OCCUPATNAL ILLNESS NOT DEG 1-6 | None |
| 12/17/2007 | HANDTOOLS (NONPOWERED) | DAYS RESTRICTED ACTIVITY ONLY | 8d restricted |
| 03/15/2007 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 17d restricted |
| 03/19/2004 | MACHINERY | DAYS RESTRICTED ACTIVITY ONLY | 24d restricted |
| 09/08/2003 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 9d restricted |
| 12/05/2002 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 35d restricted |
Inspections
View all 72 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 11/20/2025 | 11/20/2025 | 7.25 | 1 |
| 10/08/2025 | 10/10/2025 | 14.00 | 1 |
| 08/14/2025 | 08/14/2025 | 3.00 | 1 |
| 06/04/2025 | 06/04/2025 | 3.50 | 1 |
| 04/08/2025 | 04/09/2025 | 16.00 | 1 |
| 03/18/2025 | 03/19/2025 | 3.50 | 1 |
| 10/07/2024 | 10/10/2024 | 26.50 | 1 |
| 06/26/2024 | 06/27/2024 | 13.00 | 1 |
| 11/28/2023 | 11/28/2023 | 1.50 | 1 |
| 11/28/2023 | 11/28/2023 | 2.00 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does PALMDALE PLANT have?
PALMDALE PLANT has 54 MSHA violations on record, of which 11 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $10K.
What type of mine is PALMDALE PLANT?
PALMDALE PLANT is a Surface mine producing SandAndGravel, located in Littlerock, Los Angeles County, CA. It currently has 15 employees.
Has anyone been injured or killed at PALMDALE PLANT?
According to MSHA records, PALMDALE PLANT has 14 reported accident/injury records and 0 fatalities on file.
Who operates PALMDALE PLANT?
PALMDALE PLANT is operated by CALMAT CO and controlled by Vulcan Materials Company. MSHA Mine ID: 0402125.