The Flood Control and Water Conservation District is celebrating its 70th Anniversary! The District was formed in 1951, and has been protecting the communities of Contra Costa County ever since. Click on our 70th Anniversary Logo below to stay in touch with us on social media as we share photos and stories from our past.
The Flood Control and Water Conservation District covers all of Contra Costa County, including its cities, and owns property throughout the county for the purpose of constructing and maintaining regional flood control facilities, including approximately 79 miles of channels, creeks, and other drainage and 30 detention basins and dams.
The District was formed in 1951, and has been protecting the communities of Contra Costa County ever since. The District offers regional flood protection, and also provides technical information and education to cities and residents. Its operations are primarily funded through property taxes and developer fees. Please explore our website to learn more about the services that the District offers.
If you need a County Drainage 1010 or Flood Control encroachment permit, please call 925-374-2136 (Permit Center)or 925-313-2000 (ask for the Flood Control Counter Duty staff member) for further assistance. Permit applications and our insurance requirements can be found at: https://www.contracosta.ca.gov/5783/Permits
If you need to report flooding in the unincorporated county, please contact our Maintenance division at 925-313-7000. If you have drainage fee questions, please call 925-313-2000 and ask for the Flood Control Counter Duty staff member.
We can also be reached by email. Please visit the general Public Works Department page for postings of general information and office hours.