A summary map shows various aspects of groundwater availability in Arizona. Potential well production, in increments of 0 to 10 gpm, 10 to 500 gpm, and 50 to 2500 gpm (average 1000 gpm) os the primary emphasis of the map; however, data on changes in water level from spring 1983 to spring 1984, status of groundwater inventory, and estimated groundwater pumpage in Arizona in 1983, are also presented. The total water pumpage is also broken down by the following use categories: drainage, public supply, domestic, livestock, industrial and agricultural.