Water Law

Authored by Kyle Stenseth, with contributions from Michael Pearce, Grady Gammage, Jr, and Stephen Anderson.

What Happened:

On June 1, 2023, the Arizona Department of Water Resources (“ADWR”) released a new groundwater model for the Phoenix Active Management Area (“AMA”) through ADWR’s Assured Water Supply (“AWS”) program.  The model covers the Hassayampa and East and West Salt River Valley sub-basins of the AMA, which captures most of the Phoenix Metropolitan Area.  The model projects that at the end of a 100-year projection period—in the year 2123—four percent (4%) of the total simulated groundwater demand in the sub-basins will be unmet.

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On March 8th, 2022, AZ Central published an opinion piece from G&B Founder Grady Gammage Jr.  Among the topics discussed are the proposed Arizona Water Authority, the potential for desalination as a long-term augmentation project, and the lessons learned from his 2021 study “Return to Watering the Sun Corridor“.

Read the Op-Ed here!

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