Edwin F. Corkhill

Regional Groundwater Flow Model of the Pinal Active Management Area, Arizona: Model Update and Calibration

The first numerical groundwater flow model of the Pinal AMA was developed by the Arizona Department of Water Resources (ADWR) in 1990. This report documents an extensive update of the 1990 model.

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Pinal Active Management Area Regional Groundwater Flow Model Phase One: Hydrogeologic Framework, Water Budget and Phase One Recommendations

Phase I consists of the hydrologic and geologic characterization of the study area. Also presented are the definition and quantification of groundwater recharge sources, pumpage, subsurface inflows and outflows, and recommendations to fill critical data deficiencies.