Key Takeaway

Tidewater Oakland Marine Aggregate is a active surface mine producing SandAndGravel, located in Oakland, Alameda County, CA. It has 58 violations on record (3 S&S) and $7K in proposed penalties. Operated by Martin Marietta Northern California Aggregates,LLC.

Tidewater Oakland Marine Aggregate

Active Surface SandAndGravel

Operator: Martin Marietta Northern California Aggregates,LLC

Controller: Martin Marietta Materials Inc

Location: Oakland, Alameda County, CA

Employees: 6

58
Violations
3
S&S Violations
4
Accidents
$7K
Penalties

Recent Violations

View all 58 →
Date Section S&S Negligence Penalty
01/28/2025 56.12032 Non-S&S LowNegligence $151
03/05/2024 56.15001 Non-S&S LowNegligence $147
01/16/2022 50.30(a) Non-S&S LowNegligence $133
02/20/2020 47.41(a) Non-S&S ModNegligence $123
02/20/2020 56.16006 Non-S&S ModNegligence $123
04/23/2019 56.16006 Non-S&S ModNegligence $121
01/15/2019 56.16001 Non-S&S ModNegligence $121
09/12/2018 56.16006 Non-S&S ModNegligence $118
11/30/2017 56.11012 Non-S&S ModNegligence $126
06/12/2017 56.14107(a) Non-S&S ModNegligence $116
06/12/2017 56.20003(a) Non-S&S ModNegligence $116
06/12/2017 56.14109 Non-S&S LowNegligence $116
06/12/2017 50.30(a) Non-S&S ModNegligence $116
01/19/2017 56.14116(a) Non-S&S ModNegligence $116
06/01/2016 56.12018 Non-S&S ModNegligence $114
06/01/2016 56.4201(a)(2) Non-S&S LowNegligence $114
06/01/2016 56.14132(a) Non-S&S LowNegligence $114
06/01/2016 56.13015 Non-S&S ModNegligence $124
02/03/2016 56.12032 Non-S&S LowNegligence $100
02/03/2016 56.14207 Non-S&S ModNegligence $100

Accidents & Injuries

View all 4 →
Date Classification Injury Days Lost
08/21/2014 SLIP OR FALL OF PERSON NO DYS AWY FRM WRK,NO RSTR ACT None
05/09/2005 MACHINERY DYS AWY FRM WRK & RESTRCTD ACT 2d lost, 14d restricted
05/22/2003 HANDLING OF MATERIALS DAYS AWAY FROM WORK ONLY 22d lost
02/23/2001 HANDLING OF MATERIALS DAYS AWAY FROM WORK ONLY 30d lost

Inspections

View all 66 →
Begin End Hours Inspectors
10/20/2025 10/20/2025 7.00 1
07/22/2025 07/23/2025 15.25 1
06/25/2025 06/25/2025 5.50 1
01/28/2025 01/28/2025 6.75 1
04/30/2024 05/02/2024 8.75 1
03/04/2024 03/05/2024 17.75 1
08/01/2023 08/01/2023 1.50 1
07/31/2023 08/01/2023 5.50 1
03/27/2023 03/29/2023 6.75 1
06/23/2022 06/23/2022 9.00 1

Mine Details

MSHA Mine ID0403002
Mine TypeSurface
StatusActive
CommoditySandAndGravel
SIC DescriptionConstruction Sand and Gravel
Employees6
Days/Week5.0
Hours/Shift10.0
Coordinates37.7644440, -122.2222220
Nearest TownOakland

Frequently Asked Questions

How many MSHA violations does Tidewater Oakland Marine Aggregate have?

Tidewater Oakland Marine Aggregate has 58 MSHA violations on record, of which 3 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $7K.

What type of mine is Tidewater Oakland Marine Aggregate?

Tidewater Oakland Marine Aggregate is a Surface mine producing SandAndGravel, located in Oakland, Alameda County, CA. It currently has 6 employees.

Has anyone been injured or killed at Tidewater Oakland Marine Aggregate?

According to MSHA records, Tidewater Oakland Marine Aggregate has 4 reported accident/injury records and 0 fatalities on file.

Who operates Tidewater Oakland Marine Aggregate?

Tidewater Oakland Marine Aggregate is operated by Martin Marietta Northern California Aggregates,LLC and controlled by Martin Marietta Materials Inc. MSHA Mine ID: 0403002.