County of San Diego

Green Stormwater Infrastructure Program

What is Green Stormwater Infrastructure?

What may look like ordinary landscaping along roads or in parking lots is actually carefully-engineered green infrastructure built to capture stormwater, filter out the pollutants, and protect local waterways!

Examples of green infrastructure include tree wells, planted medians and walkways, and permeable pavements. Learn more about the different types of green stormwater infrastructure.

Explore the County's Green Stormwater Infrastructure Projects below!

Completed Projects

Los Coches Dry Weather Diversion Pilot Project

Los Coches Road Dry Weather Diversion Pilot Project

Removes trash from local waterways and adds an estimated 1.3 million gallons to local water supplies per year.

Mapleview

Mapleview Street Biofiltration and Channel Restoration Project

Improves water quality and enhances pedestrian safety and mobility.

Estrella County Park

Estrella County Park Biofiltration and Trash Capture Project

Removes trash and pollutants to improve stormwater runoff while enhancing an existing community park.

San Marino Drive

San Marino Drive Green Street and Trash Capture Project

Improves water quality and enhances pedestrian safety and mobility.

Riverside Dr

Riverside Drive Channel Restoration Project

Improves infiltration of low-flow runoff.

Sweetwater Lane

Sweetwater Lane Trash Capture Project

Removes approximately 256 gallons of trash to tributaries of the Sweetwater River each year.

4S Ranch Park

4S Ranch Park Biofiltration Project

Drains a previously untreated 1.2-acre parking lot to a new biofiltration basin which removes pollutants such as bacteria.

Goldentop Dr

Goldentop Road Water Quality Improvement Project

Removes approximately 247 gallons of trash from our water ways annually, and targets other pollutants such as bacteria. 

Projects in Construction

South Mission Road

South Mission Road (North Segment) Green Street Projects 1 & 2

Will target pollutants such as trash and bacteria while enhancing pedestrian and vehicle safety and mobility.

Rainbow

Rainbow Green Street Project

Will remove pollutants such as nitrogen and phosphorous while enhancing pedestrian and vehicle safety and mobility.

Upcoming Projects

Golf Club Dr

Golf Club Drive Green Street Project

Will remove trash and bacteria from water ways and improve pedestrian mobility.

Woodside Water Quality Modifications

Woodside Water Quality Basin Modifications & Trash Capture Project

Will improve infiltration to enhance water quality and flood control.

Camino del Rey

Camino del Rey Green Street Project

Will improve water quality by targeting bacteria.

Wintercrest Dr

Wintercrest Drive Green Street Project

Will improve water quality by targeting bacteria.

County-Department-Group-DPW-RightRail

The Green Infrastructure Program is funded by the County of San Diego's Watershed Protection Program, which works to prevent pollutants from entering our waterways.