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
On June 1, 2023, Arizona Governor Katie Hobbs revealed the results of a new groundwater model prepared by the Arizona Department of Water Resources (“ADWR”) that predicts the future availability of groundwater for pumping...more
It seems that not a day goes by without another news story bringing Arizona to the forefront of a national dialogue about water security in a time of drought, changing climate, and growing population. This article is Part 6...more
While the local and national press inundate us with articles about the dire nature of Arizona’s water supplies and questions about why people are even allowed to live in a desert, careful planning by water leaders over...more
The Colorado River is a critical water source for more than 40 million people, vast agricultural operations, numerous industries, and a wide variety of ecological resources across the seven states that share its waters:...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
Comments to the Groundwater Resource Management Directive proposed by the United States Forest Service to modify Chapter 2560 of the Forest Service Manual are due September 3, 2014. The proposed directive was published in the...more