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Shellfish Program

Preharvest Shellfish Program and Marine Biotoxin Monitoring Program: Contact us!

Mailing Address

California Department of Public Health
Preharvest Shellfish Program
850 Marina Bay Parkway, MS G-165
Richmond, CA 94804


(510) 412-4635


For relay services for the hearing impaired or speech impaired, please call:
MCI from TDD 1-800-735-2929 or MCI from voice telephone 1-800-735-2922
Sprint from TDD 1-888-877-5378 or Sprint from voice telephone 1-888-877-5379 


(510) 412-4637


Shellfish Information Line

(800) 553-4133

​​Shellfish Program Home Page
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