L.A.'s Water Supply Increasingly Relying on Management of Stormwater

In October 2014, Los Angeles Mayor Eric Garcetti acted to make the city more resilient from drought and climate change. In 2016, we get an update from leaders Gary Hildebrand and Marty Adams on L.A.'s stormwater capture systems.
May 27, 2016, 8am PDT | rzelen | @rzelen
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Mayor Eric Garcetti, Heather Repenning, Sheila Kuehl, Carrie Wassenaar, Andy Lipkis, and Councilmember Paul Krekorian gather to celebrate a pilot project for networked cisterns in Nov. 2015.
Eric Garcetti

The evolution of water management in Los Angeles has expedited recently, as climate change and the historic drought have spurred more collaboration and innovation. After Mayor Eric Garcetti called for a reduction in the L.A. Department of Water and Power's purchase of imported potable water by 50 percent by 2024 and the creation of an integrated water strategy that increases local water supplies and that improves water security in the context of climate change and seismic vulnerability, leaders got to work. Gary Hildebrand, deputy director at the Los Angeles County Department of Public Works, and Marty Adams, director at the Los Angeles Department of Water and Power, join The Planning Report to explain advancements in their fruitful collaboration between city and county on stormwater capture.

Stormwater capture is a strategy that has received renewed attention as Los Angeles strives to shift to a fully local water supply. Hildebrand and Adams, veteran water officers, explain the impact of state and local drought action on their work and update The Planning Report on their ongoing projects, including the 2015 Stormwater Capture Master Plan and Rory Shaw Wetlands.

They describe a shift in focus from large-scale regional infrastructure to distributed projects that repurpose public and private lands—inspired by innovative conservation techniques worldwide. Marty Adams shares LADWP's progress, stating:

“LADWP now has a pilot program with LA County, TreePeople, and LA Sanitation for a smart-cistern setup where stormwater is be collected in a cistern on someone’s property… and then prior to it raining, the water in the cistern would be released to soak into the ground and make that volume available to capture the next storm as well.” With summer months approaching and the lack of an impactful El Nino, the water leaders share their vision for LA’s water future.

Both leaders agree that the mayor's action has helped accelerate a number of projects, including enhancements to the Pacoima and Tujunga spreading grounds. Even though the drought has had crippling impacts, they both believe that it has made everyone realize that Los Angeles has a good untapped resource in stormwater capture, which needs significant further investment.

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Published on Thursday, May 26, 2016 in The Planning Report
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