Protecting and restoring Fishable Swimmable Drinkable Waters in San Diego County

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NOW HIRING: Staff Attorney
We are seeking a talented individual to join our small but mighty team of educators, attorneys, advocates, scientists, and nonprofit professionals.
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Is It Safe to Play?
Heading our for a surf session now that we’re allowed to play in the waves again? Make sure to the check the water quality status or your favorite stretch of coast, because pollution doesn’t take a break even when the rest of us do.
Coastkeeper & CERF Take LEGAL ACTION Against BNSF Railway For Plastic Pollution of Coastal Lagoons
On Tuesday, April 2, San Diego Coastkeeper (Coastkeeper) and Coastal Environmental Rights Foundation (CERF) sent a Clean Water Act Notice of Intent to Sue letter (NOI) to the BNSF Railway Company (BNSF) for discharges of large volumes of plastic nurdles from its freight train cars into our region’s coastal lagoons and the Pacific Ocean, resulting in a steady stream of toxic plastic pollution that degrades the coastal marine environment and contributes to the global plastic pollution crisis.
Read the press release

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.


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


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


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


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.


Understanding the Tijuana River Sewage Crisis – An Overview of Causes and Consequences

Tijuana River has been at the center of a transboundary pollution crisis on the U.S./Mexico border for decades, resulting in public health impacts, closed beaches and massive environmental degradation of the Tijuana River Estuary.

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Harmful Algal Blooms In San Diego County

Toxic algae blooms are harming marine life up and down the coast of California. In recent months, it has been more apparent in San Diego County waters.

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chollas creek

My First Experience Testing Water Quality in the Chollas Creek Community

Lola Schettini Ramirez reflects on her first year as a University of San Diego (USD) College Corps fellow with San Diego Coastkeeper’s science program.

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