December 20, 2019 - CDPH Lifts Warnings about Shellfish from Mendocino County
November 19, 2019 - CDPH Lifts Warnings about Certain Shellfish from Humboldt County
October 31, 2019 - Sport-Harvested Mussel Quarantine Lifted Along Most of the California Coast, Health Advisory continues for Humboldt and Mendocino Counties
October 15, 2019 - Shellfish Safety Notification: Sport-Harvested Bivalve Shellfish from Humboldt and Mendocino Counties
April 20, 2016 - CDPH Press Release: CDPH Reminds of Warning on Razor Clams from Humboldt and Del Norte Counties
Updated information on quarantines and shellfish toxins is also available by calling CDPH's Shellfish Information Line at (800) 553-4133.
Archived Quarantines and Health Advisories related to Marine Biotoxins in California are maintained by the Office of Public Affairs.
Additional information on domoic acid in crustaceans (crabs and lobsters) is posted by the CDPH Food and Drug Branch.
Marine Biotoxin Monitoring Program