Why a 100-year supply? How Arizona got its famous, yet arbitrarily numbered groundwater rule
Arizona’s 100-year water supply requirement came into sharp focus this year when Gov. Katie Hobbs announced news of a potential shortfall.It came up again recently when state Senate President Warren Petersen publicly discussed why the requirement is 100 years and not some other number.Petersen, R-Gilbert, said the number is arbitrary during a meeting about the…