Lucerne Valley Plant and Quarry
Active
Surface
Stone
Operator: Specialty Minerals Inc
Controller: Minerals Technologies Inc
Location: Lurcerne Valley, San Bernardino County, CA
Employees: 86
595
Violations
142
S&S Violations
121
Accidents
$265K
Penalties
Recent Violations
View all 595 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 01/28/2026 | 56.14112(a)(1) | Non-S&S | LowNegligence | $0 |
| 01/28/2026 | 56.14112(b) | Non-S&S | ModNegligence | $0 |
| 01/28/2026 | 56.16001 | S&S | LowNegligence | $0 |
| 01/27/2026 | 56.14132(a) | Non-S&S | ModNegligence | $0 |
| 01/27/2026 | 56.4101 | Non-S&S | ModNegligence | $0 |
| 01/26/2026 | 47.44(b) | Non-S&S | LowNegligence | $0 |
| 01/26/2026 | 56.12018 | Non-S&S | ModNegligence | $0 |
| 01/26/2026 | 56.4101 | Non-S&S | LowNegligence | $0 |
| 01/14/2026 | 56.14112(b) | Non-S&S | LowNegligence | $0 |
| 01/14/2026 | 56.14100(b) | Non-S&S | LowNegligence | $0 |
| 01/14/2026 | 56.11001 | Non-S&S | ModNegligence | $0 |
| 01/14/2026 | 56.14132(a) | S&S | ModNegligence | $0 |
| 01/13/2026 | 56.12004 | Non-S&S | LowNegligence | $0 |
| 01/13/2026 | 47.54(a) | Non-S&S | ModNegligence | $0 |
| 01/13/2026 | 56.12018 | Non-S&S | LowNegligence | $0 |
| 09/23/2025 | 56.14112(b) | Non-S&S | LowNegligence | $151 |
| 09/18/2025 | 56.12032 | Non-S&S | LowNegligence | $151 |
| 09/18/2025 | 56.14109(a) | Non-S&S | LowNegligence | $151 |
| 09/18/2025 | 56.12004 | Non-S&S | LowNegligence | $151 |
| 09/18/2025 | 56.12032 | Non-S&S | LowNegligence | $177 |
Accidents & Injuries
View all 121 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 07/10/2025 | STRIKING OR BUMPING | DAYS RESTRICTED ACTIVITY ONLY | 5d restricted |
| 12/13/2024 | HANDLING OF MATERIALS | DYS AWY FRM WRK & RESTRCTD ACT | 2d lost, 203d restricted |
| 11/18/2024 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 10/21/2024 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | 55d lost |
| 10/21/2024 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 08/09/2024 | ENTRAPMENT | ACCIDENT ONLY | None |
| 06/01/2024 | OTHER | INJURIES DUE TO NATURAL CAUSES | None |
| 02/14/2024 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 36d restricted |
| 01/11/2024 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 202d restricted |
| 12/17/2023 | SLIP OR FALL OF PERSON | DAYS AWAY FROM WORK ONLY | 131d lost |
Inspections
View all 88 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 01/12/2026 | 01/29/2026 | 70.50 | 1 |
| 09/16/2025 | 09/23/2025 | 154.75 | 4 |
| 02/27/2025 | 02/27/2025 | 15.00 | 1 |
| 01/27/2025 | 01/30/2025 | 85.00 | 2 |
| 08/09/2024 | 08/09/2024 | 17.75 | 1 |
| 07/22/2024 | 07/22/2024 | 4.75 | 1 |
| 06/03/2024 | 06/10/2024 | 49.50 | 1 |
| 02/20/2024 | 02/21/2024 | 6.50 | 1 |
| 11/28/2023 | 12/08/2023 | 66.50 | 1 |
| 06/20/2023 | 06/27/2023 | 70.50 | 2 |
Mine Details
MSHA Mine ID0400219
Mine TypeSurface
StatusActive
CommodityStone
SIC DescriptionCrushed, Broken Limestone NEC
Employees86
Days/Week7.0
Hours/Shift8.0
Coordinates34.3672220, -116.9113890
Nearest TownLurcerne Valley
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Frequently Asked Questions
How many MSHA violations does Lucerne Valley Plant and Quarry have?
Lucerne Valley Plant and Quarry has 595 MSHA violations on record, of which 142 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $265K.
What type of mine is Lucerne Valley Plant and Quarry?
Lucerne Valley Plant and Quarry is a Surface mine producing Stone, located in Lurcerne Valley, San Bernardino County, CA. It currently has 86 employees.
Has anyone been injured or killed at Lucerne Valley Plant and Quarry?
According to MSHA records, Lucerne Valley Plant and Quarry has 121 reported accident/injury records and 0 fatalities on file.
Who operates Lucerne Valley Plant and Quarry?
Lucerne Valley Plant and Quarry is operated by Specialty Minerals Inc and controlled by Minerals Technologies Inc. MSHA Mine ID: 0400219.