Southern California's Joint Water Purification Pilot Program (JWPPP), which will evaluate the feasibility
of wastewater reuse using advanced water treatment, has received a US$ 334,000 grant from the US
Bureau of Reclamation's WaterSMART program.
The JWPPP is a collaborative effort between the Sanitation Districts of Los Angeles County (SDLAC)
and the Metropolitan Water District of Southern California (MWD). The grant will go towards a
pilot-scale advanced treatment system to purify treated wastewater to near distilled water
quality, surpassing all safe drinking water standards. The pilot-scale facility is located at the
SDLAC Joint Water Pollution Control Plant in the city of Carson.
If the pilot-scale demonstration is successful, the two agencies will evaluate the
feasibility of b a full-scale system that could provide up to 200 MGD (757,000 m³/d) of purified
water, enough to satisfy the demands of over one million people.The purified water would be
used to recharge the groundwater basins and replace the increasingly unreliable sources of
imported water currently used for that purpose.
Steve Maguin, chief engineer and general manager of the SDLAC, praised the action
saying, "The JWPPP could lead to the use of an untapped supply of reliable water that is greatly
needed by drought prone Southern California." This new water supply could result in reducing
Metropolitan Water District's projected annual water supply imbalance of 555,000 acre-feet (685 million m³) in the year 2035 by 40%.
Three other California projects to receive Reclamation grants in August under the WaterSMART
West Basin Municipal Water District (California), Ocean Water Desalination
This district will receive US$ 600,000 towards a total project cost of US$ 10,600,526. The project will evaluate various
alternative technologies for seawater desalination along the Pacific coast. The demonstration
facility will utilize approximately 580,000 gallons per day (2,200 m³/d) of seawater to test
intake technologies, pretreatment systems, reverse-osmosis technology, and post-treatment
Municipal Water District of Orange County, Pilot Plant Testing of Slant Well
Seawater Intakes and Advanced Water Treatment Pretreatment Technologies for Control and
Removal of Low Levels of Iron and Manganese.
This project will receive
US$ 500,000 towards a total project cost of US$ 1,250,000. The
project will develop pilot tests for a new operational pilot seawater desalination test facility. The
facility will implement a slant well intake, which is meant to avoid environmental concerns
associated with open-intake facilities by utilizing natural filtration through the ocean floor and
underlying alluvial deposits.
Los Angeles Department of Water and Power Groundwater Replenishment
Treatment Pilot Study. The project will receive US$ 600,000
towards a total project cost of US$ 2,274,099. The Los Angeles Department of Water & Power
will address the technical and economic viability of groundwater replenishment with advanced
treated recycled water in the City of Los Angeles.