Marin City Stormwater Plan

About

The purpose of this project is to develop a stormwater plan for Marin City that identifies and prioritizes protection of:

  • Existing homes
  • Community assets
  • Infrastructure
  • Businesses

The plan will take future development and sea level rise into account.​ It will also inform updates to the Marin County Multi-Jurisdictional Local Hazard Mitigation Plan.​

This project will assemble a network of watershed partners to co-plan and pursue grant funding for multi-benefit hazard mitigation projects in Marin City’s watershed. ​

The District will provide the community with resources for meaningful participation by the community in the planning process. This includes the creation of a community taskforce and efforts to make public meetings more accessible.​​

Caltrans is also engaged in flooding and sea level rise planning efforts in parallel with this planning effort. The District will coordinate these efforts to verify that the project recommendations and planning processes are compatible with Caltrans.

Project goals

  1. Identify projects to protect public access during flood events.
  2. Recommend improvements to reduce flood risk to Marin City.
  3. Improve effectiveness of flood management operations.
  4. Integrate with CalTrans Planning (but focused on Marin City community and not the freeway).

Meeting timeline

 

April 3, 2023 Task Force Meeting #1 Reviewed Existing Drainage/Flood Issue Map
June 1, 2023 Community Meeting #1: Kickoff to Stormwater Planning process Presented existing drainage/flooding condition assessment, conducted a site walk, and gathered information on known flooding issues from residents
August 2023 Task Force Meeting #2: Upper Watershed Project Concepts Presented Project Concepts as potential flood mitigation solutions for the upper watershed areas of Marin City.
October 2023 Task Force Meeting #3: Lower Watershed Project Concepts and Scoring Criteria Presented Project Concepts as potential flood mitigation solutions for the lower watershed areas of Marin

City and introduced Scoring Criteria

October & November 2023 Task Force Meeting #3: Follow up meetings Project Concepts and Scoring Criteria Reviewed Lower Watershed Project Concepts and Scoring Criteria and obtained additional Task Force input
March 2024 Community Meeting #2 Present Project Concepts and Scoring Criteria
April 2024 Flood Zone 3 Advisory Board Meeting A presentation on the project status will be provided to the advisory board
May 2024 Task Force Meeting #4 Review scoring of Project Concepts and get Task Force feedback
June 2024 Task Force Meeting #5 Review Draft Executive Summary
Summer 2024 Community Meeting #3 Present Ranked Project Concepts and potential funding sources

Survey

In the near future, "scoring criteria" will be used to assess different flood mitigation options. To provide input in the selection of criteria, please participate in the online survey.

Zone

Zone 3: Richardson Bay

Agencies and partners

  • Marin County Flood Control and Water Conservation District
  • Caltrans

Contact

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