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Water Reuse & Low Energy, Cost Effective, Low Maintenance Cluster Wastewater Treatment & Dispersal System Producing Water for Unrestricted Reuse - Malibu, CA

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A project that demonstrates that decentralized distributed wastewater systems can be as effective as centralized facilities in achieving the accepted limit of technology for nitrogen removal, treats for emerging contaminants and that can achieve standards for unrestricted water reuse. The Malibu Creek Plaza is a shopping plaza consisting of both retail and commercial businesses. It is located in an environmentally sensitive area adjacent to the famous Surfrider Beach in Malibu, California.

Lombardo Associates, Inc. designed a cost-effective, low maintenance wastewater septic tank effluent collection, treatment and dispersal system that employs a recirculating media filter, the NitrexTM Nitrogen Removal Technology and an ozone – UV disinfection system for bacteria removal. The treatment system was designed to treat 16,000 gpd of high strength (85% restaurant wastewater) wastewater-equivalent to 40,000 gpd of residential strength wastewater. The effluent quality is compliant with permit requirements of TN < 10 mg/l, as well as California Title 22 unrestricted water reuse requirements of turbidity < 2 NTU and total coliform < 2.2 MPN/100 ml. The system has been operational as of July 2007.

Document Type: Research Article


Publication date: January 1, 2008

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  • Proceedings of the Water Environment Federation is an archive of papers published in the proceedings of the annual Water Environment Federation® Technical Exhibition and Conference (WEFTEC® ) and specialty conferences held since the year 2000. These proceedings are not peer reviewed.

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