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Pier 92 Marine Aggregate Metal/Non-Metal

SAN FRANCISCO, San Francisco County, CA  ·  Active
MSHA Mine ID: 0405261

Pier 92 Marine Aggregate has $5K in proposed MSHA penalties and $4 outstanding across 1 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
5
Years on record
1997–2015
Latest incident
Feb 2015
Compliance record
MSHA citations since 2000
46
citations
5
significant & substantial
$4,705
proposed penalties
$4,701
paid to date
100% of proposed penalties paid to date, a $4 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
60
inspections on record
599
inspection hours
n/a
citations per 100 inspection hours
ⓘ This rate is recorded citations divided by MSHA inspection hours, per 100 hours. It reflects inspection effort, not mine size or production.
Rate withheld: 599 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Pier 92 Marine Aggregate has $5K in proposed MSHA penalties and $4 outstanding across 1 contested dockets.

Penalty disposition
ⓘ Differences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.
$5K
proposed penalties
$5K
current assessed
$5K
paid to date
$4
outstanding
46 assessments are final orders; 1 contested dockets.
As of the most recent assessment on 2025-07-07.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
See also the operator's enforcement record
Quarterly safety rates
ⓘ Citations per million reported employee-hours. Rates begin in 2000, when MSHA's quarterly employment data starts; earlier incidents are counted but cannot be rate-adjusted. Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
Citations per million employee-hours, as reported to MSHA
Quarter Hours worked Citations S&S Per 1M hrs
2025 Q4 2,828 0 0 0.0
2025 Q3 2,788 1 0 358.7
2025 Q2 3,173 0 0 0.0
2025 Q1 3,112 0 0 0.0
2024 Q4 3,226 0 0 0.0
2024 Q3 2,811 0 0 0.0
2024 Q2 3,252 0 0 0.0
2024 Q1 3,171 0 0 0.0
Show 96 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 4,395 0 0 0.0
2023 Q3 2,616 0 0 0.0
2023 Q2 4,184 3 0 717.0
2023 Q1 3,278 0 0 0.0
2022 Q4 3,013 0 0 0.0
2022 Q3 2,881 1 0 347.1
2022 Q2 2,940 0 0 0.0
2022 Q1 2,443 0 0 0.0
2021 Q4 2,630 0 0 0.0
2021 Q3 2,801 0 0 0.0
2021 Q2 2,462 0 0 0.0
2021 Q1 2,596 0 0 0.0
2020 Q4 2,968 0 0 0.0
2020 Q3 2,567 0 0 0.0
2020 Q2 2,686 0 0 0.0
2020 Q1 2,874 1 0 347.9
2019 Q4 3,482 0 0 0.0
2019 Q3 3,831 1 0 261.0
2019 Q2 2,950 0 0 0.0
2019 Q1 2,903 1 0 344.5
2018 Q4 3,182 0 0 0.0
2018 Q3 3,466 0 0 0.0
2018 Q2 3,782 6 0 1586.5
2018 Q1 3,426 0 0 0.0
2017 Q4 2,942 0 0 0.0
2017 Q3 3,581 0 0 0.0
2017 Q2 3,041 0 0 0.0
2017 Q1 2,978 0 0 0.0
2016 Q4 2,765 1 1 361.7
2016 Q3 2,605 0 0 0.0
2016 Q2 2,405 0 0 0.0
2016 Q1 2,584 1 0 387.0
2015 Q4 3,294 0 0 0.0
2015 Q3 2,424 0 0 0.0
2015 Q2 2,154 0 0 0.0
2015 Q1 2,697 0 0 0.0
2014 Q4 2,071 0 0 0.0
2014 Q3 2,369 1 0 422.1
2014 Q2 2,502 0 0 0.0
2014 Q1 2,192 0 0 0.0
2013 Q4 1,563 0 0 0.0
2013 Q3 1,756 0 0 0.0
2013 Q2 1,398 0 0 0.0
2013 Q1 1,482 0 0 0.0
2012 Q4 1,528 0 0 0.0
2012 Q3 1,382 0 0 0.0
2012 Q2 1,402 0 0 0.0
2012 Q1 1,313 0 0 0.0
2011 Q4 1,392 5 1 3592.0
2011 Q3 1,500 0 0 0.0
2011 Q2 1,391 0 0 0.0
2011 Q1 1,237 0 0 0.0
2010 Q4 1,305 2 0 1532.6
2010 Q3 1,485 0 0 0.0
2010 Q2 1,371 0 0 0.0
2010 Q1 1,126 5 1 4440.5
2009 Q4 1,270 0 0 0.0
2009 Q3 1,331 0 0 0.0
2009 Q2 1,584 0 0 0.0
2009 Q1 1,706 0 0 0.0
2008 Q4 1,646 0 0 0.0
2008 Q3 1,735 0 0 0.0
2008 Q2 1,719 0 0 0.0
2008 Q1 1,577 1 1 634.1
2007 Q4 1,456 0 0 0.0
2007 Q3 1,601 0 0 0.0
2007 Q2 1,583 0 0 0.0
2007 Q1 1,326 0 0 0.0
2006 Q4 1,513 0 0 0.0
2006 Q3 1,701 0 0 0.0
2006 Q2 1,646 3 1 1822.6
2006 Q1 2,296 1 0 435.5
2005 Q4 1,728 0 0 0.0
2005 Q3 1,676 0 0 0.0
2005 Q2 1,659 2 0 1205.5
2005 Q1 1,648 0 0 0.0
2004 Q4 1,785 2 0 1120.4
2004 Q3 1,422 0 0 0.0
2004 Q2 1,532 0 0 0.0
2004 Q1 1,469 0 0 0.0
2003 Q4 1,507 1 0 663.6
2003 Q3 1,632 0 0 0.0
2003 Q2 1,996 0 0 0.0
2003 Q1 1,659 0 0 0.0
2002 Q4 1,951 2 0 1025.1
2002 Q3 2,185 0 0 0.0
2002 Q2 1,659 1 0 602.8
2002 Q1 2,170 0 0 0.0
2001 Q4 1,832 0 0 0.0
2001 Q3 1,612 1 0 620.3
2001 Q2 1,765 0 0 0.0
2001 Q1 1,968 0 0 0.0
2000 Q4 2,174 0 0 0.0
2000 Q3 2,089 3 0 1436.1
2000 Q2 1,230 0 0 0.0
2000 Q1 2,093 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

5 on file

2015 · 1 incident

February 17, 2015 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Martin Marietta Northern California Aggregates LLC · Over-exertion in lifting objects

The employee was changing out a screen from a manbasket, when they tried to remove the screen over a bar, which caused a strain to the left shoulder.

2010 · 1 incident

July 14, 2010 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator SLIP OR FALL OF PERSON
Martin Marietta Northern California Aggregates LLC · Over-exertion (Not Elsewhere Classified)

The employee was dismounting a CAT 980F front end loader on level ground with engine off and parking break set. It was daylight the weather clear dry. While turning to face the ladder to dismount the employee twisted his right knee. The injury was diagnosed as a mild sprain. The injury became a time lost accident on 10/8/10 when surgery was required for a torn meniscus.

2004 · 1 incident

August 18, 2004 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDLING OF MATERIALS
Hanson Aggregates West Inc · Over-exertion (Not Elsewhere Classified)

Ee was cleaning up around conveyor belt using a shovel & 1 1/2" water hose. When he returned to his ladder he felt a pain in his left shoulder (strain/sprain). This was initially under investigation by ins. co. for possible connection to prior injury - insurance company accepted claim as a new claim 10-14-04.

2000 · 1 incident

December 14, 2000 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator DISORDERS (REPEATED TRAUMA)
Hanson Aggregates West Inc · Over-exertion (Not Elsewhere Classified)

THE DATE OF THE ACCIDENT WAS 12/14/00 THE EE RECD ONLY 1ST AID TREATMENT & FOLLOW UP VISITS FOR OBSERVATION ONLY. A DIAGNOSIS WAS MADE ON 5/3/01THE THE INJURY NEEDED SURGERY

1997 · 1 incident

February 27, 1997 CA · Metal/Non-Metal barge/boat/dredge/towbarge/towboat/leach operator, riverman, deck hand HANDLING OF MATERIALS
Tidewater Sand & Gravel Inc · Over-exertion (Not Elsewhere Classified)

SHOVELING NEAR HOPPER, AT SAN FRANCISCO YARD, NEXT DAY SHOVELED OUT HOPPER ON BARGE.

For insurers, brokers, and safety consultants

The full compliance file on Pier 92 Marine Aggregate

A dated report covering the 26-year penalty trail, line-item violation pattern, contest and docket posture, rate-normalized peer benchmark, and full fatality history. Delivered as a PDF with the underlying data as CSV.

Get the report ($149) See a sample report Monitor a whole book of operators, $99/mo