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Geotechnical Evaluation of Ross Valley Detention Basins

Revised December 17\, 2013

Introduction The Marin County Flood Control and Water Conservation District has been working for the past several years on the San Anselmo Flood Risk Reduction Project (SAFRR), which is a significant effort to protect lives and property during severe storms. There are three major elements of SAFRR: the completion in 2023 of a basin where...

About Zone 3 advisory board meetings are usually held once or twice per year Sometimes they occur more frequently and scheduled on an as-needed basis Written updates are provided instead of meetings if there are no decisions needed from the advisory board Flood Control Zone 3: Richardson Bay To access meeting agendas and materials for...

About Zone 1 advisory board meetings are usually held a few times per year Sometimes they occur more frequently and scheduled on an as-needed basis Written updates are provided instead of meetings if there are no decisions needed from the advisory board Flood Control Zone 1: Novato To access meeting agendas and materials for the...

Marin County OneRain website includes links to data that can be used to track and plan for flood events. It also provides links to weather information and tides. Upgrades to County rain and stream gauges In 2015 the District received a Flood Emergency Response Program (FERP) Grant to upgrade all its existing stream and rain...

Storm preparedness When you hear that there is a “Flood Watch” or a “Flood Warning," it’s already too late to begin preparing for the high water. It is crucial to prepare for the possibility of flooding ahead of time. Things you can do now to be prepared Prepare your property for the winter season. Sign...

What happens when it rains? Every drop of rain follows a different path downhill. Where it goes depends on how much rain falls, what people have done to modify its route through the watershed, and many other factors. If we understand the causes of flooding, we can begin to address its impacts. Mount Tamalpais The summit of Mount...

Projects There are currently no active projects in Zone 5.

Everyone has a role to play in flood protection. The District takes a “Whole Community” approach to flood risk reduction, which requires communities and government agencies to work together to understand, identify and assess flood risk reduction needs and solutions. The collaboration and shared understanding makes communities more resilient to flooding and better able to...

The National Oceanic and Atmospheric Administration (NOAA) defines a "watershed" as a "land area that channels rainfall/snowmelt to creeks, streams, and rivers, and eventually to outflow points such as reservoirs, bays, and the ocean." Our watersheds define more than habitat, they define where we live. They influence rainfall patterns, the types of trees and plants...

Subscribe Sign up to receive emails from us, including announcements, upcoming events and meetings. Request a public record Make a public records request online. Mission The mission of the Marin County Flood Control and Water Conservation District (District) is to reduce the risk of flooding for the protection of life and property while utilizing sustainable...

About Each zone has an Advisory Board of five or seven residents. They are are appointed by the  District Board of Supervisors. The advisory boards meet periodically to: Review Zone budgets Review project plans and budgets Advise the Board of Supervisors on zone-related matters Community meetings related to Flood Zone topics will also be posted...

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