Alameda Marina Mystery Sheen

An unknown amount of petroleum oil spilled in the area of the Alameda Marina discovered late in the evening on February 11. Representatives from OSPR field response team responded the following day at daylight to determine the source and extent of the spill; the U.S. Coast Guard, the Oiled Wildlife Care Network and the International Bird Rescue are other organizations responding to this. Most of the spilled product is in the form of sheen. NRC is the cleanup contractor of recoverable product. No wildlife impacts discovered at this time and the investigation continues.

News Releases

Public Outreach

Sunday, April 16, 2023

Public Outreach - Public Outreach

East Bay “Mystery Goo” identity narrowed by CDFW Interagency Task Force

Friday, September 11, 2015

East Bay "Mystery Goo" - A multi-agency collaboration by scientists investigating the “Mystery Goo” that affected more than 500 waterbirds in the East Bay in early January have identified this sticky substance as polymerized oil, most similar to vegetable oil.

Alameda Marina Mystery Sheen

Thursday, February 12, 2015

Alameda Marina Mystery Sheen Fact Sheet - Initial fact sheet for the Oakland Estuary Spill.


NRC Responding on Boom Boat

Thursday, February 12, 2015

Alameda Marina Mystery Sheen Incident - Photo of NRC reponding to oil spill at marina

Photo of boomed boat

Thursday, February 12, 2015

Alameda Marina Mystery Sheen photo - Photo of boomed boat

Photo of Alameda Marina

Thursday, February 12, 2015

Photo Alameda Marina Mystery Sheen - photo of Alameda Marina

CDFW Shield

Wednesday, February 11, 2015

CDFW Shield - CDFW Shield