Desalination provides a local 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

Webinar: Seawater Desalination Intake Screen Demonstration Project

Wednesday, August 31 at 10:00 AM

Public Policy Institute Polling Data

A PPIC survey indicates that construction of ocean water desalination plants along California's coastline is supported by nearly 80% of likely California voters.

2023 CalDesal Conference - Call for Abstracts

The CalDesal Events Planning Committee has opened the call for abstracts for our 2023 Annual Conference, and is looking forward to a strong response.

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.

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