3M CORONA PLANT
Active
Surface
Stone
Operator: 3M Company
Controller: Minnesota Mining & Manufacturing Company
Location: Corona, Riverside County, CA
Employees: 85
782
Violations
168
S&S Violations
227
Accidents
$357K
Penalties
Recent Violations
View all 782 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 03/03/2026 | 56.20003(a) | Non-S&S | ModNegligence | $0 |
| 03/03/2026 | 56.4200(b)(2) | Non-S&S | ModNegligence | $0 |
| 03/03/2026 | 56.15001 | Non-S&S | ModNegligence | $0 |
| 03/03/2026 | 56.20003(a) | Non-S&S | ModNegligence | $0 |
| 03/03/2026 | 56.18002(a) | Non-S&S | ModNegligence | $0 |
| 12/29/2025 | 56.14112(b) | Non-S&S | LowNegligence | $267 |
| 12/29/2025 | 56.12032 | S&S | ModNegligence | $1,968 |
| 12/29/2025 | 56.20003(a) | S&S | ModNegligence | $1,968 |
| 12/29/2025 | 56.11002 | S&S | ModNegligence | $6,540 |
| 08/19/2025 | 56.15014 | S&S | ModNegligence | $2,312 |
| 08/13/2025 | 56.14107(a) | Non-S&S | LowNegligence | $592 |
| 08/13/2025 | 56.20003(a) | S&S | LowNegligence | $883 |
| 08/13/2025 | 56.20003(a) | S&S | LowNegligence | $883 |
| 08/12/2025 | 56.14112(b) | Non-S&S | LowNegligence | $592 |
| 08/12/2025 | 56.20003(a) | S&S | LowNegligence | $883 |
| 08/12/2025 | 56.14107(a) | Non-S&S | LowNegligence | $267 |
| 04/11/2025 | 56.20003(a) | Non-S&S | LowNegligence | $177 |
| 02/05/2025 | 56.13020 | Non-S&S | LowNegligence | $151 |
| 02/04/2025 | 56.11004 | Non-S&S | LowNegligence | $151 |
| 02/04/2025 | 56.12008 | Non-S&S | LowNegligence | $151 |
Accidents & Injuries
View all 227 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 11/18/2025 | SLIP OR FALL OF PERSON | DAYS AWAY FROM WORK ONLY | None |
| 02/06/2025 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 26d restricted |
| 01/22/2025 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | 7d lost |
| 11/14/2024 | HANDTOOLS (NONPOWERED) | DAYS AWAY FROM WORK ONLY | 5d lost |
| 10/04/2024 | STRIKING OR BUMPING | DYS AWY FRM WRK & RESTRCTD ACT | 2d lost, 10d restricted |
| 10/02/2024 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 4d restricted |
| 09/11/2024 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 08/08/2024 | STRIKING OR BUMPING | DAYS AWAY FROM WORK ONLY | 219d lost |
| 08/05/2024 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 2d restricted |
| 08/03/2024 | SLIP OR FALL OF PERSON | DYS AWY FRM WRK & RESTRCTD ACT | 40d lost, 6d restricted |
Inspections
View all 124 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 03/02/2026 | 0.00 | 0 | |
| 12/29/2025 | 12/30/2025 | 18.00 | 1 |
| 12/29/2025 | 12/30/2025 | 3.00 | 1 |
| 08/19/2025 | 08/20/2025 | 11.00 | 1 |
| 08/11/2025 | 08/14/2025 | 33.50 | 1 |
| 04/09/2025 | 04/14/2025 | 26.75 | 1 |
| 01/30/2025 | 02/04/2025 | 11.50 | 1 |
| 01/29/2025 | 02/05/2025 | 15.50 | 1 |
| 09/03/2024 | 09/03/2024 | 2.00 | 1 |
| 05/28/2024 | 06/03/2024 | 29.00 | 1 |
Mine Details
MSHA Mine ID0400191
Mine TypeSurface
StatusActive
CommodityStone
SIC DescriptionCrushed, Broken Stone NEC
Employees85
Days/Week6.0
Hours/Shift8.0
Coordinates33.8483330, -117.5119440
Nearest TownCorona
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Frequently Asked Questions
How many MSHA violations does 3M CORONA PLANT have?
3M CORONA PLANT has 782 MSHA violations on record, of which 168 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $357K.
What type of mine is 3M CORONA PLANT?
3M CORONA PLANT is a Surface mine producing Stone, located in Corona, Riverside County, CA. It currently has 85 employees.
Has anyone been injured or killed at 3M CORONA PLANT?
According to MSHA records, 3M CORONA PLANT has 227 reported accident/injury records and 1 fatalities on file.
Who operates 3M CORONA PLANT?
3M CORONA PLANT is operated by 3M Company and controlled by Minnesota Mining & Manufacturing Company. MSHA Mine ID: 0400191.