Key Takeaway
MAITRI CANYON PLANT is a active surface mine producing SandAndGravel, located in Corona, Riverside County, CA. It has 273 violations on record (79 S&S) and $125K in proposed penalties. Operated by Foster Sand & Gravel.
MAITRI CANYON PLANT
Operator: Foster Sand & Gravel
Controller: Eric Werner; Pat Broyles
Location: Corona, Riverside County, CA
Employees: 19
Recent Violations
View all 273 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 01/22/2026 | 56.12032 | S&S | LowNegligence | $0 |
| 01/21/2026 | 56.14100(b) | Non-S&S | LowNegligence | $0 |
| 09/18/2025 | 56.14112(b) | Non-S&S | LowNegligence | $151 |
| 09/17/2025 | 56.12018 | Non-S&S | LowNegligence | $151 |
| 09/17/2025 | 56.20003(a) | S&S | LowNegligence | $151 |
| 03/12/2025 | 56.20003(a) | S&S | LowNegligence | $151 |
| 03/12/2025 | 56.14107(a) | Non-S&S | LowNegligence | $151 |
| 09/19/2024 | 56.11003 | S&S | ModNegligence | $221 |
| 09/19/2024 | 56.14132(b)(3) | Non-S&S | LowNegligence | $147 |
| 09/18/2024 | 56.12002 | Non-S&S | ModNegligence | $147 |
| 09/18/2024 | 56.11012 | S&S | ModNegligence | $736 |
| 09/12/2024 | 56.14112(a)(1) | Non-S&S | ModNegligence | $147 |
| 08/18/2023 | 56.14130(g) | S&S | ModNegligence | $712 |
| 08/17/2023 | 56.14110 | Non-S&S | ModNegligence | $143 |
| 08/17/2023 | 56.11001 | Non-S&S | LowNegligence | $143 |
| 12/21/2022 | 56.14107(a) | Non-S&S | LowNegligence | $143 |
| 12/20/2022 | 56.20003(a) | Non-S&S | ModNegligence | $143 |
| 12/20/2022 | 56.14107(b) | Non-S&S | ModNegligence | $143 |
| 12/20/2022 | 56.20011 | Non-S&S | ModNegligence | $143 |
| 12/20/2022 | 56.14107(a) | Non-S&S | LowNegligence | $143 |
Accidents & Injuries
View all 8 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 10/09/2024 | HANDTOOLS (NONPOWERED) | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 05/15/2024 | SLIP OR FALL OF PERSON | DAYS AWAY FROM WORK ONLY | 37d lost |
| 11/28/2022 | SLIP OR FALL OF PERSON | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 04/02/2021 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 12/03/2019 | OTHER | INJURIES DUE TO NATURAL CAUSES | 2d lost |
| 01/30/2009 | SLIP OR FALL OF PERSON | DAYS AWAY FROM WORK ONLY | 360d lost |
| 10/27/2005 | STEPPING OR KNEELING ON OBJECT | DAYS AWAY FROM WORK ONLY | 161d lost |
| 05/31/2000 | HANDTOOLS (NONPOWERED) | DAYS AWAY FROM WORK ONLY | 12d lost |
Inspections
View all 91 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 01/20/2026 | 01/23/2026 | 28.75 | 1 |
| 11/24/2025 | 11/24/2025 | 3.00 | 1 |
| 09/17/2025 | 09/18/2025 | 22.00 | 1 |
| 09/12/2025 | 09/12/2025 | 6.50 | 1 |
| 06/11/2025 | 06/11/2025 | 7.00 | 1 |
| 03/20/2025 | 03/20/2025 | 7.00 | 1 |
| 03/12/2025 | 03/13/2025 | 18.25 | 1 |
| 10/23/2024 | 10/23/2024 | 5.00 | 1 |
| 09/11/2024 | 09/19/2024 | 46.00 | 1 |
| 03/14/2024 | 03/14/2024 | 2.00 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does MAITRI CANYON PLANT have?
MAITRI CANYON PLANT has 273 MSHA violations on record, of which 79 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $125K.
What type of mine is MAITRI CANYON PLANT?
MAITRI CANYON PLANT is a Surface mine producing SandAndGravel, located in Corona, Riverside County, CA. It currently has 19 employees.
Has anyone been injured or killed at MAITRI CANYON PLANT?
According to MSHA records, MAITRI CANYON PLANT has 8 reported accident/injury records and 0 fatalities on file.
Who operates MAITRI CANYON PLANT?
MAITRI CANYON PLANT is operated by Foster Sand & Gravel and controlled by Eric Werner; Pat Broyles. MSHA Mine ID: 0403684.