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• n  the slow passage of a liquid through a filtering medium
  the percolation of rainwater through the soil
• n  the act of making coffee in a percolator
• n  the filtration of a liquid for extraction or purification

• Crystal-clear purified water from the Groundwater Replenishment System is piped to the Orange County water district's percolation ponds in Anaheim, Calif.

• infiltration

News & Articles

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• Agua Caliente: Water lawsuit about mismanagement, not rates
  Loading Photo Galleries ... Water at Whitewater flows toward the percolation ponds in Palm Springs. / Jay Calderon, The Desert Sun Tribal Chairman Jeff Grubbe responded to a financial analysis prepared by the Desert Water Agency’s finance director.
  June 22, 2013 - The Desert Sun