Over the past five weeks, we have described the wide range of water resources available to meet Arizona’s current and future needs. These resources include groundwater, in-state surface water, Colorado River water, long-term...more
In November 2019, the Arizona Department of Water Resources (ADWR) released the results of an updated groundwater model that projects a groundwater availability deficit over the next 100 years in the Pinal Active Management...more
Several months ago, an earlier post in this blog described a decision by the Ninth Circuit Court of Appeals that recognized a federal reserved water right to groundwater [see Ninth Circuit Holds that Federal Reserved Water...more
On March 7, 2017, the Ninth Circuit Court of Appeals issued its decision in Agua Caliente Band of Cahuilla Indians v. Coachella Valley Water District, Case No. 15-55896. In this decision, the Court unequivocally held that...more