Desalination Facts

  • Texas currently has a total municipal desalination capacity of approximately 142 million gallons per day ( 159,060 acre-feet per year) which includes 85 million gallons per day ( 95,212 acre-feet per year) of brackish groundwater desalination, 54 million gallons per day (60,488 acre-feet per year) of brackish surface water desalination, and 2.5 million gallon per day (2,800 acre-feet per year) of reclaimed water advanced treatment. (Source: TWDB Desalination Plant Database, 2016)
  • In 2012, Texas had a total municipal desalination capacity of approximately 123 million gallons per day (about 137,760 acre-feet per year) which includes 73 million gallons per day (about 81,760 acre-feet per year) of brackish groundwater desalination and 50 million gallons per day (about 56,000 acre-feet per year) of brackish surface water desalination. (Source: TWDB Desalination Plant Database, 2012)
  • In addition, industrial desalination capacity in the state is estimated to be about 60 to 100 million gallons per day (about 67,000 to 112,000 acre-feet per year) mainly in the power and semi-conductor industries. (Source: TWDB, 2005)
  • The largest inland municipal desalination plant in Texas, the Kay Bailey Hutchison desalination plant in El Paso, has a design capacity of approximately 27.5 million gallons per day (30,800 acre-feet per year) and went into production in August 2007.
  • Texas does not yet have a seawater desalination plant for municipal purposes. M&G Resins USA, LLC is finishing the construction of an industrial seawater desalination plant with a capacity of 15 million gallons per day (6,721 acre-feet per year).
  • The average cost to produce 1 acre-foot of desalinated water from brackish groundwater ranges from approximately $357 to $782 (Source: Cost of Brackish Groundwater Desalination in Texas, 276 KB).
  • The average cost to produce 1 acre-foot of desalinated water from seawater is projected to range from approximately $800 to about $1,400.

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