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
This article is Part 5 of Snell & Wilmer’s series on Arizona’s water supply and legal framework. So far in this series we have examined the most common and most-used water sources in Arizona’s diverse water portfolio: ...more
This article is Part 3 of a series providing information about the resilience of Arizona’s water supplies during a time in which the news is dominated by stories about drought and scarcity. As we noted in Part 1, Arizona has...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
Arizona’s water supplies have been front page news for months. Both local and national media have reported on increasingly serious shortages on the Colorado River and the inability of the states that rely on the River to...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
As members of the Colorado River Water Users’ Association gathered for their annual meeting in Las Vegas last week, the States of Arizona and California appeared to be making progress towards approving agreements needed to...more
It has become a familiar refrain. For each of the past three years, the United States Bureau of Reclamation, which operates the major reservoirs on the Colorado River, has announced a new “record low” water elevation in Lake...more
On December 29, 2014, a special master recommended that the U.S. Supreme Court find that Wyoming failed to make deliveries of Tongue River water to Montana in accordance with the Yellowstone River Compact. However, the...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
On August 13, 2014, the United States Bureau of Reclamation (Reclamation) released its latest Operation Plan for Colorado River System Reservoirs 24-Month Study. The study projects operations and water releases for major...more