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

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.