Key Takeaway

Hughson Aggregates is a active surface mine producing SandAndGravel, located in Hughson, Stanislaus County, CA. It has 105 violations on record (33 S&S) and $28K in proposed penalties. Operated by Martin Marietta Northern California Aggregates,LLC.

Hughson Aggregates

Active Surface SandAndGravel

Operator: Martin Marietta Northern California Aggregates,LLC

Controller: Martin Marietta Materials Inc

Location: Hughson, Stanislaus County, CA

Employees: 3

105
Violations
33
S&S Violations
5
Accidents
$28K
Penalties

Recent Violations

View all 105 →
Date Section S&S Negligence Penalty
03/03/2025 56.14107(a) Non-S&S LowNegligence $151
03/03/2025 56.4200(b)(2) Non-S&S LowNegligence $151
03/03/2022 56.14132(a) Non-S&S ModNegligence $133
08/24/2021 56.20008(b) Non-S&S ModNegligence $125
03/23/2021 56.20003(a) Non-S&S ModNegligence $125
08/06/2020 56.4130(b) Non-S&S ModNegligence $123
08/06/2020 56.11001 Non-S&S ModNegligence $123
08/06/2020 56.20003(a) Non-S&S ModNegligence $123
04/02/2019 56.12028 Non-S&S ModNegligence $319
04/02/2019 56.11001 S&S ModNegligence $1,577
04/02/2019 56.12016 S&S ModNegligence $1,577
04/02/2019 56.12040 S&S ModNegligence $1,577
04/02/2019 56.14100(b) Non-S&S ModNegligence $319
04/02/2019 56.12018 Non-S&S ModNegligence $121
10/23/2018 56.14207 Non-S&S ModNegligence $118
10/23/2018 56.14100(b) S&S ModNegligence $691
10/23/2018 56.12004 S&S ModNegligence $691
10/23/2018 56.14107(a) Non-S&S ModNegligence $118
10/23/2018 56.4130(a)(1) Non-S&S ModNegligence $118
10/23/2018 56.12018 Non-S&S ModNegligence $138

Accidents & Injuries

View all 5 →
Date Classification Injury Days Lost
08/15/2018 HANDTOOLS (NONPOWERED) DAYS RESTRICTED ACTIVITY ONLY 37d restricted
05/15/2017 HANDTOOLS (NONPOWERED) DAYS AWAY FROM WORK ONLY 281d lost
09/29/2011 HANDLING OF MATERIALS DAYS RESTRICTED ACTIVITY ONLY 7d restricted
04/02/2002 SLIP OR FALL OF PERSON NO DYS AWY FRM WRK,NO RSTR ACT None
04/14/2000 HANDLING OF MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None

Inspections

View all 60 →
Begin End Hours Inspectors
01/28/2026 01/29/2026 10.75 1
06/11/2025 06/12/2025 12.25 1
03/03/2025 03/04/2025 24.75 1
08/20/2024 08/20/2024 12.00 1
02/29/2024 03/02/2024 12.00 1
09/18/2023 09/19/2023 13.00 1
08/06/2023 08/08/2023 12.25 1
09/02/2022 09/02/2022 12.00 1
03/03/2022 03/15/2022 5.75 1
08/24/2021 08/24/2021 11.00 1

Mine Details

MSHA Mine ID0401769
Mine TypeSurface
StatusActive
CommoditySandAndGravel
SIC DescriptionConstruction Sand and Gravel
Employees3
Days/Week5.0
Hours/Shift8.0
Coordinates37.6152780, -120.8236110
Nearest TownHughson

Frequently Asked Questions

How many MSHA violations does Hughson Aggregates have?

Hughson Aggregates has 105 MSHA violations on record, of which 33 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $28K.

What type of mine is Hughson Aggregates?

Hughson Aggregates is a Surface mine producing SandAndGravel, located in Hughson, Stanislaus County, CA. It currently has 3 employees.

Has anyone been injured or killed at Hughson Aggregates?

According to MSHA records, Hughson Aggregates has 5 reported accident/injury records and 0 fatalities on file.

Who operates Hughson Aggregates?

Hughson Aggregates is operated by Martin Marietta Northern California Aggregates,LLC and controlled by Martin Marietta Materials Inc. MSHA Mine ID: 0401769.