Western States Need Water. San Diego Has Extra. Will They Make a Deal?

As most Western communities expect to grapple with water shortages this summer and fall, one is looking to share its unlikely surplus.

San Diego County in California spent nearly $1 billion on a desalination plant after a 1990s drought left it with scarce supply. Now, with the seawater-to-tap water plant running at just one-third of capacity, its water utility is shopping around deals to sell its water across the West.