March, 1977
Arizona Water Resources,
vol.
77,
no.
2,
4
pp.,
Water Resources Research Center,
Tucson, AZ,
March, 1977
![](/sites/wrrc.arizona.edu/files/styles/az_natural/public/media/AWR-Mar-77_1.jpg?itok=Qkx0Qjd2)
Gua Bend, Arizona, is the site of the world's largestsolar-powered irrigation system, a system capable of pumping up to 10,000 gallons of irrigation water per minute.