Rising sea levels and more severe storm flooding as a result of climate disruption are impacting Marin County. These impacts are expected to increase in frequency and severity as sea level rise accelerates. Sea level rise adaptation planning is a collaborative effort by multiple agencies, partners, and municipalities, including the County of Marin. To learn … Continued
FAQ Topic: Flood and water
The Marin County Flood Control & Conservation District oversees eight defined zones in Marin to address specific flooding problems with each of those areas. These flood zones do not cover the entire county and are, for the most part, concentrated in the county’s eastern urbanized corridor. The vast majority of the county’s land area is … Continued
The Flood Control program, conducted by the Marin County Flood Control & Water Conservation District, seeks to reduce the risk of flooding for the protection of life and property while utilizing sustainable practices. The District aims to meet this mission through effective, transparent, and responsive planning, design, construction, operation, and maintenance of District-owned facilities such … Continued
Our Land Development division administers the Federal Emergency Management Agency (FEMA) Community Rating System (CRS) Program for unincorporated areas of Marin County. To learn more about this voluntary incentive program, visit our FEMA Flood Information page or contact our Land Development team.
In many areas of Marin, culvert pipes are predominantly located within private property and are the private property owner’s responsibility to maintain. However, costs to properly repair deteriorating culverts may be prohibitive and therefore, simply not done, which can heighten risks of damage to public infrastructure. Please see the Drainage Assistance Program to find out … Continued
For flooding resources, please visit Floodsmart.gov.
Visit the FEMA flood map service center to find your official flood map, access a range of other flood hazard products, and take advantage of tools for better understanding flood risk.
To learn if Marin is at risk for sea level rise, visit our Marin Bay Waterfront Adaptation and Vulnerability Evaluation (BayWAVE) webpage.
Learn how Marin County is combating sea level rise by visiting our Marin sea level rise webpage.
Visit our stormwater pollution prevention page to learn about stormwater best management practices for construction projects.