Key Takeaway
Coast Aggregates Big Rock Creek is a active surface mine producing SandAndGravel, located in Pearblossom, Los Angeles County, CA. It has 146 violations on record (56 S&S) and $187K in proposed penalties. Operated by Coast Aggregates.
Coast Aggregates Big Rock Creek
Operator: Coast Aggregates
Controller: Kurt Caillier; Randy Caillier
Location: Pearblossom, Los Angeles County, CA
Employees: 22
Recent Violations
View all 146 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 02/26/2026 | 56.14100(b) | Non-S&S | LowNegligence | $0 |
| 02/26/2026 | 56.14109 | S&S | ModNegligence | $0 |
| 02/26/2026 | 56.14107(a) | S&S | ModNegligence | $0 |
| 02/25/2026 | 56.12004 | Non-S&S | LowNegligence | $0 |
| 08/05/2025 | 56.14100(b) | Non-S&S | LowNegligence | $165 |
| 04/17/2025 | 56.12028 | Non-S&S | LowNegligence | $151 |
| 04/16/2025 | 56.20003(a) | Non-S&S | ModNegligence | $151 |
| 04/16/2025 | 56.12008 | Non-S&S | LowNegligence | $193 |
| 11/13/2024 | 56.14107(a) | Non-S&S | LowNegligence | $535 |
| 11/13/2024 | 56.12008 | Non-S&S | LowNegligence | $172 |
| 11/13/2024 | 56.20003(a) | S&S | LowNegligence | $576 |
| 11/13/2024 | 56.14107(a) | Non-S&S | LowNegligence | $797 |
| 11/13/2024 | 56.14112(b) | Non-S&S | LowNegligence | $172 |
| 11/13/2024 | 56.12008 | Non-S&S | ModNegligence | $260 |
| 11/13/2024 | 56.14112(a)(1) | Non-S&S | LowNegligence | $147 |
| 11/13/2024 | 56.14107(a) | Non-S&S | HighNegligence | $5,884 |
| 11/13/2024 | 56.14112(b) | Non-S&S | LowNegligence | $172 |
| 06/13/2024 | 56.12028 | Non-S&S | ModNegligence | $861 |
| 06/12/2024 | 56.11002 | Non-S&S | ModNegligence | $1,287 |
| 06/12/2024 | 56.18002(b) | Non-S&S | ModNegligence | $147 |
Accidents & Injuries
View all 6 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 05/10/2024 | HANDLING OF MATERIALS | DYS AWY FRM WRK & RESTRCTD ACT | 19d lost, 67d restricted |
| 04/05/2023 | SLIP OR FALL OF PERSON | DAYS RESTRICTED ACTIVITY ONLY | 9d restricted |
| 07/21/2022 | DISORDERS (PHYSICAL AGENTS) | OCCUPATNAL ILLNESS NOT DEG 1-6 | None |
| 06/21/2021 | MACHINERY | DAYS AWAY FROM WORK ONLY | 4d lost |
| 10/22/2019 | POWERED HAULAGE | DAYS AWAY FROM WORK ONLY | 169d lost |
| 01/31/2018 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 7d restricted |
Inspections
View all 33 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 02/25/2026 | 02/27/2026 | 20.50 | 1 |
| 09/05/2025 | 09/05/2025 | 6.00 | 1 |
| 08/05/2025 | 08/05/2025 | 17.00 | 1 |
| 04/28/2025 | 04/29/2025 | 1.00 | 1 |
| 04/14/2025 | 04/18/2025 | 27.50 | 1 |
| 11/12/2024 | 11/14/2024 | 43.25 | 3 |
| 06/12/2024 | 06/14/2024 | 34.00 | 1 |
| 06/11/2024 | 06/17/2024 | 22.00 | 1 |
| 10/26/2023 | 10/26/2023 | 2.00 | 1 |
| 10/23/2023 | 10/27/2023 | 57.00 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does Coast Aggregates Big Rock Creek have?
Coast Aggregates Big Rock Creek has 146 MSHA violations on record, of which 56 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $187K.
What type of mine is Coast Aggregates Big Rock Creek?
Coast Aggregates Big Rock Creek is a Surface mine producing SandAndGravel, located in Pearblossom, Los Angeles County, CA. It currently has 22 employees.
Has anyone been injured or killed at Coast Aggregates Big Rock Creek?
According to MSHA records, Coast Aggregates Big Rock Creek has 6 reported accident/injury records and 0 fatalities on file.
Who operates Coast Aggregates Big Rock Creek?
Coast Aggregates Big Rock Creek is operated by Coast Aggregates and controlled by Kurt Caillier; Randy Caillier. MSHA Mine ID: 0405908.