Protecting and restoring Fishable Swimmable Drinkable Waters in San Diego County

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Explore Our Programs

We balance advocacy, community outreach, education, and science to promote stewardship of clean water and a healthy coastal ecosystem.

Select a program below to learn more about each element of our multi-pronged approach to protecting San Diego’s rivers, streams, and coastline.

Advocacy

We stand up for San Diego's waterways and the communities that depend on clean, safe, and affordable water.

Community

We coordinate beach and inland cleanups, lead workshops, and engage people.

Education

We provide San Diego's youngest generation with hyper-local water and climate science education.

Science

We use water quality monitoring and scientific inquiry to inform all of our programs.

San Diego Water Quality Map

Urban runoff following rains, sewage spills, and other factors commonly influence coastal water quality in San Diego County. Planning to head out to surf or swim today? Check the beach water quality map for current closures and advisories. In the meantime, we’re working hard to protect San Diego’s water quality so that these closures happen less and less frequently, because we believe clean water is a fundamental right shared by both humans and the environment.

Learn More About Water Issues in San Diego

From the latest in statewide conservation policy to in-depth looks at the relationship between water and energy, the Coastkeeper blog is full of useful, timely information for the curious mind.

Algal blooms in California often give the ocean a red hue, earning the common name "red tide."
Algal blooms

Understanding Harmful Algal Blooms In California

San Diego Coastkeeper’s Dylan Berk explores the severe algal blooms in California in 2025. Why were harmful algae blooms in California so bad this year?

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A sea lion mother and pup on the shoreline in La Jolla Cove

La Jolla Sea Lions: Protecting Wildlife During Pupping Season and Beyond

Learn how to protect the La Jolla sea lions, how domoic acid affects Sea Lions in La Jolla, and how to support groups like San Diego Coastkeeper for healthier marine habitats.

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Tijuana River Valley in the morning.
Advocacy

Tijuana River Sewage Crisis Funding Update 2025

The most important resource in the race to fix the Tijuana River Sewage Crisis is state and federal funding. Here’s where we’re at in 2025.

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