Board Agendas and Minutes
View Current Board Meeting
to receive Board of Trustees Meeting Agendas
Current Virus Activity
Learn more about the current West Nile virus activity in Contra Costa County.
Mosquito Control Info
2023 Virus Activity To Date
News and Current Events
for Online Newsletter, Adult Mosquito Control Notifications, and News Releases.
How Can We Help You? Our Services Explained
Frequently Asked Questions
Get all the answers to our most frequently asked questions.
Invasive Mosquito Species of California
One of the two species that can transmit Zika, dengue, yellow fever, and chikungunya, was found in Contra Costa County in August, 2022.
95 Years of Protecting Public Health
The District is celebrating a milestone as a public health agency.