• The "Desalination Reauthorization Act" amends the Water Infrastructure Improvements for the Nation Act and the Water Desalination Act of 1996 to reauthorize certain desalination programs, with projects under the Water Desalination Act expiring 15 years after the original date of enactment
• The bill expands eligibility criteria for desalination projects and allows the Secretary to participate in eligible desalination projects at up to 25 percent of total project cost, with no dollar cap on that participation
• The bill establishes a new competitive grant program for advanced pilot desalination technologies, requiring rigorous technoeconomic analyses to estimate the levelized cost of water produced at full scale

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