One Water California


California's water professionals are responding to the State's droughts, declining water supplies and erratic weather with a new philosophy called One Water.

Drinking water, wastewater and stormwater traditionally are managed separately. Today, we view them all as one water. Across the State communities are planning to integrate infrastructure across the water cycle. We're breaking down barriers between municipal departments and asking regulators for flexibility so we can build multi-benefit water projects.

CWEA members believe all water has value and should be managed in a sustainable, inclusive and integrated way.

We call this perspective One Water. By implementing the one water philosophy we can provide enough water for a growing California for generations to come.

This page has a wealth of info on One Water in California. Read, share and contribute.

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"We shouldn't judge water by its history, but by its quality." — Paul Sciuto, General Manager, Monterey One Water

"One Water LA is bringing all of us together to think about water holistically. It connects dots, drops and hearts." - Adel Hagekhalil, Asst Director, City of Los Angeles

"I believe the future will see further acceptance of one-water with less delineation between water and wastewater professions." - Juan Guerreiro, Deputy Director, City of San Diego

One Water California Resources

Water Research Posts 12 Opportunities for Collaborative Projects

July 1, 2020

The Water Research Foundation (WRF) has funded 12 new Research Priority Program projects with a total funding amount of $2,125,000. This research …

San Diego County Regional Water Reuse Facility Moves Forward

June 22, 2020

JPA Approves Critical Service Agreements The East County Advanced Water Purification (AWP) Joint Powers Authority (JPA) Board of Directors unanimously …

Sponsored post: Highland WRRF Will Incorporate Fibracast Advanced Membranes and Anaergia’s Digestion System

May 9, 2020

Coverage of biosolids and co-digestion supported by Anaergia Construction Underway at California’s Sterling Natural Resource Center, Incorporating Fibracast’s Advanced Membranes and …

West County Wastewater and EBMUD Strike Agreement Saving Valuable Drinking Water

April 28, 2020

West County Wastewater and EBMUD (East Bay Municipal Utility District) announced a recycled water partnership that will preserve valuable drinking …

Recorded Webinar: Coronavirus and Wastewater Disinfection

April 20, 2020

CWEA’s fourth free COVID-19 in CA webinar From April 30, 2020 The experts tell us the coronavirus is here to …

Video: City Of Oceanside First To Bring Pure Water Facility Online

March 27, 2020

EPA Releases National Water Reuse Action Plan with Hundreds of Recommendations

February 27, 2020

Today, at an event at the U.S. Environmental Protection Agency (EPA) headquarters in Washington, D.C., EPA Administrator Andrew Wheeler, and …

Gates Reinvented Toilet: Off-Grid Toilet Shows Promise in Global Testing

February 17, 2020

Systems approaching viability in field tests of Duke-led Gates Foundation “Reinvent the Toilet” project By Ken Kingery DUKE Pratt School …

Criticality-Driven Asset Performance Management (sponsored)

February 16, 2020

Coverage of asset management stories are support by MentorAPM The Key to Transforming Utility Performance Water and wastewater utilities across …

NWRI Releases SOP Guidance Document for Bioassays

January 13, 2020

From Water Reuse California… WateReuse California and the National Water Research Institute released a guidance document for developing a standard …

Bureau of Reclamation Awards Water Reuse Research Grants

January 13, 2020

From WateReuse… Reclamation Awards $1.6 Million for Water Reuse Research The Bureau of Reclamation announced that it has awarded $1.6 …

Preview of WEF’s Young Professionals Summit, Feb 24-25, Anaheim

January 12, 2020

Water Amplified: The Communication Revolution This year’s Summit will focus on addressing the critical issue of communications in the water …