City of Malibu Named Recycled Water Agency of the Year

Published: 3/27/2019

Malibu, California – The WateReuse California Section honored the City of Malibu as Recycled Water Agency of the Year for a small community with beneficial reuse less than 1,000 acre-feet per year during its Annual Conference Awards Luncheon on Monday, March 18, 2019. 

The Recycled Water Agency of the Year awards recognize small, medium, and large entities that have developed recycled water, on a significant level, as an alternative water source within its service area. Recipients demonstrate leadership, creativity, and persistence in developing a comprehensive program, as well as outreach to the community to expand awareness and implementation of water recycling.

In 2009, the Los Angeles Regional Water Quality Control Board adopted Resolution No. R4-2009-007, which prohibited the use of septic systems in Malibu’s Civic Center. To comply with this resolution, the city hired Woodard & Curran to plan and design its first public sewer system and treatment facility, with the additional infrastructure to recycle the treated water. The Civic Center Water Treatment Facility is a 500,000 gallon-per-day membrane bioreactor utilizing an ultraviolet (UV) disinfection system to treat collected wastewater. It has the capacity to supply 70 million gallons of treated effluent to be used for water irrigation, with excess effluent dispersed via injection wells to an ancient buried river bed and ultimately to the ocean. The construction of the CCWTF allowed the city to transfer private septic systems onto the new public sewer system. The collection system includes 9,000 feet of gravity pipe, 4,500 feet of force main, and two lift stations with organic media odor beds to mitigate odor concerns, some of which was installed utilizing trenchless technology. Phase 1 introduced 30 commercial/business development parcels to the new collection system and planning for Phase 2 is underway.

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