LOS ANGELES, CA — Stantec has been selected by the Los Angeles Bureau of Sanitation (LASAN) to provide engineering and project delivery services for Pure Water Los Angeles, an initiative that will secure a safe, reliable, and sustainable drinking water supply for Southern California.
Pure Water Los Angeles will purify recycled water to create a new source of high-quality drinking water — supporting the City of Los Angeles’ transition to a 70 percent locally sourced water supply and strengthening long-term water resilience for the region.
Today, approximately 50 percent of the city’s water comes from local sources, including groundwater, recycled water, and supplies delivered by the Los Angeles Aqueduct, with the remainder imported from other agencies. By expanding water reuse, Pure Water Los Angeles will reduce reliance on imported water and help safeguard the region against climate variability and future water challenges.
Through Pure Water Los Angeles, the city aims to produce up to 230 million gallons per day of purified recycled water. To support this goal, Stantec and engineering partner Carollo Engineers will provide program management support services and conceptual design services to upgrade the Hyperion Water Reclamation Plant from a secondary treatment facility to an advanced water treatment (AWT) facility.
The team will also provide operations and maintenance services and regulatory support services for the city’s Hyperion MBR Pilot Facility. The pilot facility is pivotal in securing regulatory approval and will help inform and refine the design of the full-scale AWT facility.
“Our team has had the privilege of working with many communities to deliver potable reuse strategies that are transforming the future of safe, reliable drinking water in Southern California,” said Zakir Hirani, Vice President and Water Reuse Practice Leader at Stantec. “Working alongside LASAN, we’re applying proven technologies and treatment expertise to help Los Angeles build a more resilient water system — one that protects this region today and for generations to come.”
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“We applaud the city’s vision to optimize local water supplies by maximizing the production of purified recycled water through this landmark potable reuse program,” said Gil Crozes, Senior Vice President at Carollo. “This generational initiative will substantially increase water supply resilience while helping mitigate the risks of increasingly extreme weather.”
“Pure Water Los Angeles represents a generational investment in the future of our city,” said Hubertus Cox, Ph.D., Division Manager, Water Recycling Implementation Division, for LASAN. “The Stantec team was instrumental in developing the Hyperion Program of Pure Water Los Angeles, as they were involved in every step from program inception to finalizing the conceptual plans. Their expertise in advanced water purification processes not only greatly contributed to demonstrating the feasibility of our program, but they also provided innovative solutions to some major technical challenges early on and identified alternatives that significantly reduced the overall cost of our program.”
Stantec brings decades of experience supporting communities across the western United States in collecting, treating, and distributing recycled water for both non‑potable and potable reuse.
In Carson, California, Stantec is working with the Metropolitan Water District of Southern California to design an AWT demonstration facility for direct potable reuse. This first-of-its-kind facility will allow the team to evaluate multiple process trains and support the district’s Pure Water Southern California initiative.
The firm is also providing program management services, as well as operations, maintenance, and readiness planning, for Phase 2 of Pure Water San Diego. Once complete, the program will locally supply up to one-half of San Diego’s drinking water, significantly reducing dependence on imported sources.
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North of Los Angeles in Antelope Valley, Stantec is providing program management services to the Palmdale Water District to implement California’s first inland potable reuse program — Pure Water Antelope Valley. Because the community does not have coastal access for reverse osmosis brine disposal, Stantec developed an innovative brine management strategy to address the challenge.
