Find the most current information about active emergencies in San Joaquin County, along with general resources to help you stay safe during disasters.
Current Situation
Golden Mussels Invasion
On April 28, 2026, the San Joaquin County Board of Supervisors proclaimed a local emergency in response to the growing threat posed by the invasive golden mussel in the Sacramento-San Joaquin Delta (Delta), urgently calling for strengthened State partnership, additional resources, and coordinated action to protect one of California’s most vital waterways.
Find information about past emergencies in San Joaquin County, including response efforts, available resources and services for community members. These pages provide historical context on the response and do not reflect ongoing recovery efforts. For information on recovery resources and services, please visit the Recovery page.
