A R Wilson Quarry
Active
Surface
Stone
Operator: Granite Rock Co
Controller: Peter J Lemon
Location: Aromas, San Benito County, CA
Employees: 115
616
Violations
84
S&S Violations
177
Accidents
$171K
Penalties
Recent Violations
View all 616 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 02/04/2026 | Non-S&S | $0 | ||
| 02/04/2026 | 56.15005 | S&S | HighNegligence | $0 |
| 02/04/2026 | 46.11(a) | S&S | HighNegligence | $0 |
| 02/04/2026 | 56.20003(a) | S&S | HighNegligence | $0 |
| 02/04/2026 | 50.10(a) | S&S | ModNegligence | $0 |
| 02/04/2026 | 50.12 | Non-S&S | LowNegligence | $0 |
| 12/15/2025 | 56.11027 | S&S | ModNegligence | $2,936 |
| 12/15/2025 | 56.12018 | Non-S&S | ModNegligence | $592 |
| 12/15/2025 | 56.14107(a) | Non-S&S | ModNegligence | $592 |
| 12/15/2025 | 56.14107(a) | Non-S&S | ModNegligence | $592 |
| 12/13/2025 | 56.11001 | Non-S&S | ModNegligence | $226 |
| 06/11/2025 | 46.7(a) | Non-S&S | ModNegligence | $252 |
| 06/10/2025 | 56.14107(a) | Non-S&S | ModNegligence | $151 |
| 02/05/2025 | 56.14100(b) | S&S | ModNegligence | $818 |
| 02/05/2025 | 56.14100(b) | Non-S&S | ModNegligence | $151 |
| 02/04/2025 | 56.12032 | Non-S&S | LowNegligence | $165 |
| 02/04/2025 | 56.12032 | Non-S&S | ModNegligence | $366 |
| 07/11/2024 | 56.12032 | Non-S&S | LowNegligence | $147 |
| 07/11/2024 | 56.11003 | Non-S&S | LowNegligence | $147 |
| 07/11/2024 | 56.12004 | Non-S&S | LowNegligence | $147 |
Accidents & Injuries
View all 177 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 11/17/2025 | SLIP OR FALL OF PERSON | DAYS RESTRICTED ACTIVITY ONLY | 17d restricted |
| 10/22/2025 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 9d restricted |
| 09/24/2025 | SLIP OR FALL OF PERSON | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 09/15/2025 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 12d restricted |
| 12/17/2024 | HANDTOOLS (NONPOWERED) | DAYS AWAY FROM WORK ONLY | 130d lost |
| 10/21/2024 | SLIP OR FALL OF PERSON | DAYS RESTRICTED ACTIVITY ONLY | 59d restricted |
| 10/18/2024 | HANDTOOLS (NONPOWERED) | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 10/27/2023 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 59d restricted |
| 07/26/2023 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | 230d lost |
| 07/21/2023 | POWERED HAULAGE | NO DYS AWY FRM WRK,NO RSTR ACT | None |
Inspections
View all 135 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 02/18/2026 | 02/18/2026 | 0.00 | 0 |
| 02/05/2026 | 02/12/2026 | 78.00 | 1 |
| 02/04/2026 | 02/05/2026 | 8.25 | 1 |
| 01/06/2026 | 01/06/2026 | 4.75 | 1 |
| 12/15/2025 | 12/16/2025 | 8.00 | 1 |
| 12/12/2025 | 12/17/2025 | 38.50 | 1 |
| 08/13/2025 | 08/14/2025 | 10.00 | 1 |
| 06/25/2025 | 06/26/2025 | 9.75 | 1 |
| 06/09/2025 | 06/12/2025 | 32.75 | 1 |
| 04/08/2025 | 04/08/2025 | 5.75 | 1 |
Mine Details
MSHA Mine ID0400119
Mine TypeSurface
StatusActive
CommodityStone
SIC DescriptionCrushed, Broken Granite
Employees115
Days/Week7.0
Hours/Shift8.0
Coordinates36.8972220, -121.6347220
Nearest TownAromas
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Frequently Asked Questions
How many MSHA violations does A R Wilson Quarry have?
A R Wilson Quarry has 616 MSHA violations on record, of which 84 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $171K.
What type of mine is A R Wilson Quarry?
A R Wilson Quarry is a Surface mine producing Stone, located in Aromas, San Benito County, CA. It currently has 115 employees.
Has anyone been injured or killed at A R Wilson Quarry?
According to MSHA records, A R Wilson Quarry has 177 reported accident/injury records and 0 fatalities on file.
Who operates A R Wilson Quarry?
A R Wilson Quarry is operated by Granite Rock Co and controlled by Peter J Lemon. MSHA Mine ID: 0400119.