Phoenix AMA Groundwater Conditions
Major aquifers, well yields, estimated natural recharge, number of index wells and date of last water-level sweep are shown in Table 8.1-6. Figure 8.1-6 shows aquifer flow direction and water-level change between 1991-1992 and 2002- 2003 for the entire Phoenix AMA.
Arizona Department of Water Resources. 2015c. Phoenix AMA Groundwater Conditions. Online data retrieved at http://www.azwater.gov/.... Accessed March 12, 2015.