CONSTRUCTION DEFECT JOURNAL

"News and Information for Construction Defect and Claims Professionals"

CONSTRUCTION DEFECT JOURNAL - ISSUE 242749 - FRIDAY, OCTOBER 3, 2025

Brown and Caldwell Team with AECOM for Landmark Pure Water Southern California Program

Water splashing

Historic water reuse program to produce a new, drought-proof source of high-quality water for Southern California

May 15, 2023
Brown and Caldwell

LOS ANGELES, May 09, 2023 — A joint venture of AECOM and Brown and Caldwell (AECOM-BC Team) has been chosen to provide program and project management support and engineering design services for the Pure Water Southern California program, one of the largest water reuse programs in the world.

The innovative program, being developed by the Metropolitan Water District of Southern California (Metropolitan) in partnership with the Los Angeles County Sanitation Districts (Sanitation Districts), will produce up to 150 million gallons of high-quality, purified water per day for up to 15 million people.

Anticipated for water delivery by 2032 and potentially earlier, the program will reuse the largest untapped wastewater source in the region that currently flows to the ocean to increase water resiliency, enhance water quality, and fuel economic growth. It will lower Southern California’s reliance on imported water supplies from the Colorado River and Sierra Nevada and replenish groundwater basins while leveraging cutting-edge research and development to increase regional water reuse.

About Brown and Caldwell
Headquartered in Walnut Creek, California, Brown and Caldwell is a full-service environmental engineering and construction services firm with 52 offices and over 1,900 professionals across North America and the Pacific. For more than 75 years, our creative solutions have helped municipalities, private industry, and government agencies successfully overcome their most challenging water and environmental obstacles. As an employee-owned company, Brown and Caldwell is passionate about exceeding our clients’ expectations and making a difference for our employees, our communities, and our environment. For more information, visit www.brownandcaldwell.com


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