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About West Basin


Diversification of Supply 2000 - Present

  • 2000 - Phase III of the Water Recycling Facility expands capacity of microfiltration and reverse osmosis.
  • 2001 - Construction complete on first lateral of Harbor/South Bay Water Recycling Project, designed to conserve more than 16 billion gallons of water.
  • 2002 - West Basin operates 10-gallon-a-minute ocean-water desalination pilot facility in El Segundo using micro-filtration and reverse osmosis membrane technologies.
    • Phase III Water Recycling Facility is complete.
  • 2002 – West Basin commissions a pilot ocean-water desalination facility in El Segundo.
  • 2003 - Harbor/South Bay Water Recycling Project launched, successfully completing construction of first two laterals, California State University Dominguez Hills Mainline Extension and Victoria Lateral.
  • West Basin collaborates with several national water agencies to bring greater attention to desalination efforts through the formation of the U.S. Desalination Coalition.
  • 2003 - Inglewood is first city in California to use recycled water for street sweeping.
  • 2004 - Department of Water Resources awards West Basin $9 million Proposition 13 grant for expansion of its water recycling facilities.
    • Construction begins on Phase IV Expansion of Water Recycling Facility.
  • 2005 - West Basin’s Water Recycling Facility (WBMWRF) celebrates 10th anniversary and the following achievements:
    • phases of construction make the WBWRF the largest facility of its type in the nation;
    • WBWRF is the only water purification facility in the world to produce 5 types of designer waters;
    • 8 billion gallons of water produced annually;
    • 68 miles of pipeline in the future Harbor/South Bay Water Recycling Project;
    • 79 miles of existing recycled water pipeline;
    • 206 recycled water users; and
    • 25,000 children participated in the Plant Protector Water Exploration tours
  • 2006 – West Basin adopts Conservation Master Plan as a guide for regional investments and translates conservation goals into tangible initiatives for residents, businesses and various levels of government.
    • West Basin and Central Basin become separate entities.
  • 2007 – Construction complete on Phase IV Expansion, increasing recycled water production by 15 million gallons a day.
    • West Basin celebrates its 60th anniversary and its Board of Directors renames WBWRF the Edward C. Little Water Recycling Facility in honor of Director Little’s 5-term commitment to West Basin, its constituents, and the water industry.
    • Planning begins on Phase V Expansion of Edward C. Little Water Recycling Facility to increase capacity to 25 million gallons a day.
  • 2008 - West Basin Board certifies Environmental Impact Report (EIR) for its ocean-water desalination demonstration facility.
  • 2008 – West Basin produces its 100 billionth gallon of recycled water.
  • 2009 – West Basin decommissions its pilot ocean-water desalination facility in El Segundo.
  • 2009 – California Coastal Commission and Regional Water Quality Control Board approve West Basin ocean-water desalination demonstration facility permits, allowing construction to proceed at the SEALab in Redondo Beach.
    • West Basin completes Phase V Capital Improvement Plan.
    • West Basin and Water Replenishment District sign agreement to serve 100% purified recycled water to the West Coast Barrier.
  • 2010 – West Basin reaches 350 recycled water customer connections.
  • 2010 – West Basin dedicates its demonstration ocean-water desalination facility and water education center in Redondo Beach.