Desalination provides a local, reliable, and sustainable water supply that communities can rely on now and for decades to come, enabling California to continue meeting its growing water needs and support the fifth largest economy in the world.

Desal is…

Local

Desal enables local production of high-quality, pure drinking water, as part of a portfolio of diversified supplies to responsibly address demands.

Reliable

Desal is drought-resilient and does not rely on variable snowpack and rainfall, making it a dependable source of drinking water.

Sustainable

Desal provides a critical safeguard for local water supplies against unpredictable water shortages resulting from droughts, sea level rise, and earthquakes.

Secure

Continued development of local, climate- and drought-resilient water supplies like water desalination is necessary to ensure a secure water future for residents, agriculture, and businesses in California.

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Latest News

Desalination and the Southern California Oil Spill (2021)

Desalination (desal) plants can detect oil in the source water and, if oil is present, desal treatment technology removes it. Robust testing continues throughout each stage of desal water treatment to ensure high-quality, safe water.

A Desalination Skeptic Now Sees Carlsbad Plant’s ‘Undeniable Value’

"It is no secret that I wasn’t the biggest fan of the Claude “Bud” Lewis Carlsbad Desalination Plant when it was proposed, and I still wasn’t completely on board..."

Why desalination can help quench California’s water needs

If you’ve ever created a personal budget, you know that assigning your money...

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