Desalination continues to grow in importance as a drinking water source for the San Diego region with the doubling of capacity at a Sweetwater Authority plant in National City.
State and local officials on Thursday celebrated completion of a $42 million expansion of the Richard A. Reynolds Groundwater Desalination Facility.
The project doubled the facility’s drinking water production to 10 million gallons per day through the addition of five new brackish groundwater wells.
The drought-resistant water source will supply about one-third of the water needed by the Sweetwater Authority, which serves 189,000 people in National City and parts of Chula Vista and Bonita.
The authority partnered with San Diego on the project, and received grants from the state and the U.S. Bureau of Reclamation.
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