CDPH Warns Consumers Not to Eat Sport-Harvested Bivalve Shellfish from San Francisco and San Mateo CountiesNews, Press Releases / March 7, 2018 October 3, 2018 The California Department of Public Health (CDPH) is advising consumers not to eat recreationally harvested mussels, clams or whole scallops from San Francisco and San Mateo counties.Read more