Day: August 4, 2025
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Aquifer Water Quality Standards Update
Aquifer Water Quality Standards Update Background The Arizona Department of Environmental Quality was established by the Arizona Environmental Quality Act (EQA) of 1986. The EQA also established the Aquifer Protection Permit Program to protect the State’s aquifers. The definition of “aquifer” as it appears at A.R.S. §49-201.2 “…means a geologic unit that contains sufficient saturated…