Water Woes: Vast US Aquifer Is Being Tapped Out

Nearly 70 percent of the groundwater stored in parts of the United States' High Plains Aquifer — a vast underground water reservoir that supplies 30 percent of the nation's irrigated groundwater — could be used up within 50 years, a new study finds.



via LiveScience.com http://www.livescience.com/39186-kansas-aquifer-water-depletion.html