Recycled Water

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Get Recycled Water

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Using Recycled Water

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Recycled Water FAQ

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What Is Recycled Water?

Recycled water is an alternative water source that can safely replace potable water in a variety of uses. This significantly reduces demands on the potable water supply. As you can see in the diagram to the right, wastewater has two main destinations: the bay, or recycled water.

Rather than go to the bay, wastewater is given extra, tertiary treatment turning it into recycled water. Recycled water is safe to use in place of potable water for select uses, such as watering plants, filling decorative fountains, and flushing toilets.

See the Recycled Water Management Plan for more details on recycled water.

Usage Charts

Recycled Water Development

Phase 1

Phase 1 of the project expanded the City's recycled water system along the eastern edge of the 101 Highway, from Redwood Shores to the Greater Bayfront Area. Construction of Phase 1 was completed on time and on budget over a five year period from 2005 to 2010. It added two tertiary treatment facilities, two 2.2 million gallon storage tanks, a distribution pump station, and 17 miles of distribution pipelines. Since pumping began in 2007, the Recycled Water Project has helped save hundreds of millions of gallons of drinking water each year.

Purple Pipe

Phase 1 currently supplies recycled water to more than 450 points of connection. Sites being served by recycled water include:

  • Oracle
  • Electronic Arts
  • HOAs
  • Redwood City Police Station
  • Port of Redwood City
  • SIMS Metal

Phase 2

Phase 2 of the City's Recycled Water Project is underway, and will bring recycled water pipes west of Highway 101 towards Downtown Redwood City. Phase 2A has been completed. Visit Redwood City's Projects page for more details. The rest of Phase 2 is still in progress.