Los Angeles River as a Water Source for a Freshwater Reservoir

by Philip O. Lowe,
Novin Rashedi,

Document Type: Proceeding Paper

Part of: North American Water and Environment Congress & Destructive Water


Simons, Li & Associates, Inc., performed a study to examine the technical feasibility of a freshwater reservoir in the ocean at the mouth of the Los Angeles River through a conceptual investigation of stormwater resources. The study examined stormwater yield, sediment yield, stormwater quality and stormwater capture. The results showed that approximately 235,348,000 cubic meters (M³ of flood water per year can potentially be captured in a freshwater reservoir. Capture volume ranged from 35,097,000 M³ to 281,242,000 M³ per year for the preliminary scenarios investigated. Sediment yield and first-flush flows were evaluated and determined to be not a major constraint to construction of the reservoir. A Los Angles River intake, using an inflatable dam, was considered the most likely intake system.

Subject Headings: Water intakes | Rivers and streams | Fresh water | Reservoirs | Feasibility studies | Stormwater management | Ocean engineering | Sediment | Los Angeles | California | United States

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