There is, however, plenty of groundwater - it's just high in salinity and contaminated with metals, including uranium, in some areas. The desert portion of the Navajo Nation in northeastern Arizona receives only 7 to 11 inches of rain per year. "It's a way to extend infrastructure to these communities," said Bob Arnold, a UA professor of chemical and environmental engineering and an expert in water purification and wastewater treatment systems. The system is built into a refurbished operational school bus, which also houses a laboratory, adding an educational component.
University of Arizona engineers, partnering with the consulting firm Apex Applied Technology, recently delivered a mobile water treatment system to an off-the-grid school in a water-scarce Navajo community.
Yazzie was raised on the reservation and is writing his master's thesis on the separation of uranium from water. From left: Bob Seaman, technical lead for desalination unit assembly environmental engineering master's student Chris Yazzie and AATech president Peter Zhou. Members of the UA-AATech team mount the solar panels on the roof of the school bus.
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