Zone 3 projects and maintenance

News and updates

Construction working standing in a creek bed and clearing out chunks of a dead tree.

Storm Season Preparations are Underway

Posted on August 8, 2025

For Immediate Release - Marin County, CA - County conducts annual maintenance in advance of the rainy season While it is easy to forget during the hot, dry months of summer, winters can bring intense storms to Marin, delivering significant impacts across the county, including downed trees, landslides, damaged roadways and flooded streets. Minimizing such...
Marin City Drainage Study Aerial Photo

Draft Initial Study Posted for Marin City Pond Pump Station Flood Reduction Project

Posted on June 4, 2025

The Marin County Flood Control District has completed a Draft Initial Study/Mitigated Negative Declaration for the Marin City Pond Pump Station Flood Reduction Project. The Draft Initial Study/Mitigated Negative Declaration is available on the County's website. The 30-day public comment period for the Marin City Pond Pump Station Flood Reduction Project's Draft Initial Study/Mitigated Negative Declaration began...

Proposed Cardinal Road Levee Upgrade Project – Second Community Open House

Posted on March 27, 2025

The Marin County Flood Control & Water Conservation District will be hosting a community meeting regarding the Proposed Cardinal Road Levee Upgrade Project. District staff will provide a progress update on the proposed project. You're invited to attend this informal meet and greet on Sunday, April 6, 2025, at the Stone Park next to the...
Leaves clogging a gutter during rain storm.

Flood Control: An Ongoing Concern for Southern Marin

Posted on March 17, 2025

The Outdoor Art Club is hosting a webinar on March 20 titled "Flood Control: An Ongoing Concern for Southern Marin." Marin County District 3 Supervisor Stephanie Moulton-Peters and Judd Goodman, a Senior Civil Engineer at the Marin County Flood Control &Water Conservation District, will update the community on flood control efforts, which are a concern...
cartoon illustration of rainstorm with buildings and trees getting rained on.

Marin City Residents Invited to Third Meeting for Stormwater Plan on March 25

Posted on March 13, 2025

The Marin County Flood Control & Water Conservation District (District) will host the third and final community meeting for the Marin City Stormwater Plan on Tuesday, March 25, 2025, from 5:30-7:30 PM. The meeting will be held at the newly reopened Marin City Arts Gallery, located at 100 Donahue Street, Suite 160-B, in Marin City.  ...
Two portable water pump stations on the side of the road.

About the Marin City Portable Pump Station

Posted on February 5, 2025

In fall 2024, the Marin County Flood Control and Water Conservation District completed the infrastructure for a portable pump station at Drake Avenue and Donahue Street in Marin City, near the Highway 101 ramps.  These pumps are used during high tide events that occur at the same time as rainstorms to help reduce flooding at...

Proposed Cardinal Road Levee Project – First Community Open House

Posted on November 20, 2024

Over the last couple years, we heard the neighborhood’s concerns about water seeping through the levee along Cardinal Road. Maintenance actions the District has taken to reduce the seepage haven’t been enough, so we have engaged an engineering consultant to look at alternatives and design a proposed project to prevent this seepage and shore up...
View of street and grassy area in Marin City where a pump station will soon be constructed. There is a fence separating the grassy area from a business building.

Portable Pump Station to be Installed in Marin City

Posted on July 23, 2024

For Immediate Release - Marin City, CA - The effort is designed to reduce flooding on Donahue Street and Highway 101 ramps The Marin County Flood Control and Water Conservation District has awarded a $1.37 million construction contract for the underground components of a portable pump station in Marin City. The underground work is expected to...
Meeting in school gymnasium for the Marin City Stormwater Plan, some members of the public are seated in chairs listening to a guest speaker.

Meetings and Community Outreach for Marin City Stormwater Plan

Posted on May 29, 2024

The Marin City Stormwater Plan project team has been getting the word out to the community. To date, outreach has included:  20+ small outreach events (including site visits with residents and community office hours)  2 Community Meetings  3 Project Task Force Meetings  2 Community Services District meetings  1 Flood Zone 3 Advisory Board meeting   Upcoming...
Map produced by first community meeting for Marin City Stormwater Plan.

Marin City Residents Invited to Second Community Meeting for Stormwater Plan on March 9th

Posted on February 23, 2024

The Marin County Flood Control and Water Conservation District is developing a comprehensive Stormwater Plan aimed at reducing flood risk in Marin City, an unincorporated neighborhood near Richardson Bay. The goal of the Plan is to address existing flooding conditions and identify potential solutions that enhance flood resilience in Marin City while accounting for community...

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