One Water California

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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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Quotes

"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

State Water Board Focuses on CECs in Updated Recycled Water Policy

December 11, 2018

State Water Board press release… Key Details Policy for Water Quality Control for Recycled Water was first drafted in 2009 …

Moulton Niguel Water District Celebrates 50 Years of Water Recycling

August 23, 2018

Moulton Niguel Water District is celebrating its 50th year of operating one of the state’s most successful water recycling programs, which …

Regional San to receive $280.5 million in Proposition 1 funds to expand water recycling in the Sacramento region

August 1, 2018

 The California Water Commission (Commission) recently announced that Regional San will receive $280.5 million—the maximum requested funding amount—in Proposition …

Video: LA Sanitation Explains Projects to Help Get to 50% Local Water by 2025

July 26, 2018

Cool new video from LA Sanitation featuring: City of Los Angeles 2025 local water goal – One Water Los Angeles …

CA-NV AWWA and CWEA Sign Agreement to Work Together on the Future of Operator Certification

June 7, 2018

The California-Nevada Section of the American Water Works Association (CA-NV AWWA) and California Water Environment Association (CWEA) have signed a …

One Water Roundtable Video: How do we afford water system upgrades?

January 24, 2018

CWEA Roundtable: How can we afford water system upgrades? A water Q&A with three of California’s top clean water leaders …

One Water Spotlight: Santa Clara Valley Water District

January 13, 2018

Flush with Possibilities With a new water purification plant, Santa Clara Valley Water District is driving water reuse to advance …

Even If You’re Not an Environmentalist, Potable Reuse is Best Choice for Safe, Affordable Drinking Water

November 18, 2017

An Interview with Garry Brown,  DPR Advisory Group Chair The State’s recent steps toward direct potable reuse (DPR) might seem …

Comment Letter – Draft Report to the Legislature on the Feasibility of Developing Uniform Water Recycling Criteria for Direct Potable Reuse

October 20, 2017

Below is the joint comment letter CWEA and CA NV AWWA have submitted focused on the operator certification piece of the …

Announcing the Water Equity Clearinghouse

September 29, 2017

From US Water Alliance We are pleased to announce the release of the Water Equity Clearinghouse, an online database that showcases …

WE&RF Unveils Report on Pre-Treatment Standards for IPR/DPR

August 5, 2017

WE&RF released a new research report on pretreatment standards for agencies interested in adding or expanding their water reuse facilities. …

One Water Roadmap in Action on California’s Central Coast

July 21, 2017

Earlier this month, I had the privilege of facilitating a panel at CWEA’s Annual Conference. The panel–“Water Resiliency Leadership: One Water …