Desalination a big part of Texas’ water future
By JEANNIE KEVER, HOUSTON CHRONICLE
Published 06:35 p.m., Monday, November 14, 2011
EL PASO – For El Paso and a growing number of Texas cities, the question isn’t whether they have enough water, but what price people are willing to pay to make it drinkable.
Aquifers beneath the Chihuahua desert are filled with brackish groundwater, belying the seared landscape above. Salty water rushes down rivers. And the Gulf of Mexico offers a virtually unlimited supply.
For centuries, Texans had cheaper ways to quench their thirst. But population growth – up 20 percent over the past decade, to 25 million people, and predicted to almost double by 2060 – is driving up demand, just as the supply is shrinking. The latest draft of the state water plan predicts existing supplies will fall by 10 percent in the next 50 years.
But Texas has more than 2.7 billion acre-feet of brackish groundwater, enough to meet current demands for more than 176 years.
For many cities, the cost of desalination – up to four times that of other water treatments, sometimes even more for seawater desalination – is no longer a deal-breaker.
Read the full story here: The Houston Chronicle
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