Key Takeaway
Pier 92 Marine Aggregate is a active surface mine producing SandAndGravel, located in SAN FRANCISCO, San Francisco County, CA. It has 46 violations on record (5 S&S) and $5K in proposed penalties. Operated by Martin Marietta Northern California Aggregates LLC.
Pier 92 Marine Aggregate
Operator: Martin Marietta Northern California Aggregates LLC
Controller: Martin Marietta Materials Inc
Location: SAN FRANCISCO, San Francisco County, CA
Employees: 3
Recent Violations
View all 46 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 07/07/2025 | 56.14101(a)(2) | Non-S&S | LowNegligence | $151 |
| 06/13/2023 | 56.11001 | Non-S&S | ModNegligence | $143 |
| 06/13/2023 | 56.14100(a) | Non-S&S | ModNegligence | $167 |
| 06/13/2023 | 46.7(a) | Non-S&S | ModNegligence | $143 |
| 01/16/2022 | 50.30(a) | Non-S&S | LowNegligence | $133 |
| 02/19/2020 | 56.14100(b) | Non-S&S | ModNegligence | $123 |
| 08/01/2019 | 56.4402 | Non-S&S | ModNegligence | $121 |
| 01/24/2019 | 56.14112(b) | Non-S&S | ModNegligence | $121 |
| 04/19/2018 | 56.12028 | Non-S&S | ModNegligence | $128 |
| 04/17/2018 | 56.18009 | Non-S&S | ModNegligence | $118 |
| 04/17/2018 | 56.14100(b) | Non-S&S | ModNegligence | $128 |
| 04/17/2018 | 56.12004 | Non-S&S | ModNegligence | $118 |
| 04/17/2018 | 56.11001 | Non-S&S | ModNegligence | $118 |
| 04/17/2018 | 56.11002 | Non-S&S | ModNegligence | $118 |
| 12/12/2016 | 56.20003(a) | S&S | ModNegligence | $204 |
| 02/09/2016 | 46.9(a) | Non-S&S | LowNegligence | $100 |
| 07/21/2014 | 50.30(a) | Non-S&S | LowNegligence | $100 |
| 11/02/2011 | 50.30(a) | Non-S&S | LowNegligence | $100 |
| 11/02/2011 | 56.14130(c) | Non-S&S | ModNegligence | $100 |
| 11/02/2011 | 46.7(c) | Non-S&S | LowNegligence | $112 |
Accidents & Injuries
View all 4 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 02/17/2015 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 07/14/2010 | SLIP OR FALL OF PERSON | DYS AWY FRM WRK & RESTRCTD ACT | 12d lost, 100d restricted |
| 08/18/2004 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | 1d lost |
| 12/14/2000 | DISORDERS (REPEATED TRAUMA) | OCCUPATNAL ILLNESS NOT DEG 1-6 | None |
Inspections
View all 60 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 11/06/2025 | 11/06/2025 | 7.75 | 1 |
| 07/07/2025 | 07/09/2025 | 22.00 | 1 |
| 01/29/2025 | 01/29/2025 | 5.50 | 1 |
| 05/09/2024 | 05/11/2024 | 10.50 | 1 |
| 10/24/2023 | 10/25/2023 | 20.25 | 1 |
| 06/13/2023 | 06/13/2023 | 6.75 | 1 |
| 03/16/2023 | 03/16/2023 | 4.50 | 1 |
| 07/05/2022 | 07/06/2022 | 6.50 | 1 |
| 02/02/2022 | 02/03/2022 | 9.50 | 1 |
| 09/15/2021 | 09/15/2021 | 5.50 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does Pier 92 Marine Aggregate have?
Pier 92 Marine Aggregate has 46 MSHA violations on record, of which 5 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $5K.
What type of mine is Pier 92 Marine Aggregate?
Pier 92 Marine Aggregate is a Surface mine producing SandAndGravel, located in SAN FRANCISCO, San Francisco County, CA. It currently has 3 employees.
Has anyone been injured or killed at Pier 92 Marine Aggregate?
According to MSHA records, Pier 92 Marine Aggregate has 4 reported accident/injury records and 0 fatalities on file.
Who operates Pier 92 Marine Aggregate?
Pier 92 Marine Aggregate is operated by Martin Marietta Northern California Aggregates LLC and controlled by Martin Marietta Materials Inc. MSHA Mine ID: 0405261.