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AZ.gov Arizona's Official Website Arizona Department of Water Resources
Arizona Department of Water Resources AZ.gov Arizona's Official Web Site
Securing Arizona's Water Future
Groundwater Conditions in the Upper Hassayampa Basin

Major aquifers, well yields, estimated natural recharge, estimated water in storage, number of index wells and date of last water-level sweep are shown in Table 5.4-6.  Figure 5.4-6 shows aquifer flow direction and water-level change between 1990-1991 and 2003-2004.  Figure 5.4-7 contains hydrographs for selected wells shown on Figure 5.4-6.  Figure 5.4-8 shows well yields in four yield categories. A description of aquifer data sources and methods as well as well data sources and methods, including water-level changes and well yields are found in Volume 1, Appendix A. 

Major Aquifers

  • Refer to Table 5.4-6 and Figure 5.4-6.
  • The major aquifer in the basin is basin fill.
  • Flow direction is generally from the north to the south.

Well Yields

  • As shown on Figure 5.4-8 well yields in this basin range from less than 100 gallons per minute (gpm) to 2,000 gpm.
  • One source of well yield information, based on 61 reported wells, indicates that the median well yield in this basin is 125 gpm.

Natural Recharge

  • Refer to Table 5.4-6.
  • The natural recharge estimates for this basin is 8,000 acre-feet per year (AFA).

Water in Storage

  • Refer to Table 5.4-6.
  • Storage estimates for this basin range from 1.0 million acre-feet (maf) to 1.1 maf to a depth of 1,200 feet.

Water Level

  • Refer to Figure 5.4-6. Water levels are shown for wells measured in 2003-2004.
  • The Department annually measures five index wells in this basin.  Hydrographs for three index wells (B-D) and one other wells are shown in Figure 5.4-7. More recent hydrographs of the index wells may be available through the Department's GWSI webpage.
  • There is one ADWR automated groundwater level monitoring device located near Congress.
  • These data show the deepest recorded water level is 817 feet west of Congress and the shallowest is 20 feet in the vicinity of Wickenburg.

Click to view Table 5.4-6

Click to view Table 5.4-6 Groundwater Data in the Upper Hassayampa Basin

Click to view Figure 5.4-6

Click to view Figure 5.4-6 Upper Hassayampa Basin Groundwater Conditions

Click to view Figure 5.4-7

Click to view Figure 5.4-7 Upper Hassayampa Basin Hydrographs Showing Depth to Water in Selected Wells

Click to view Figure 5.4-8

Click to view Figure 5.4-8 Upper Hassayampa Basin Well Yields

 

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References and Supplemental Reading for the Upper Hassayampa Basin

Colorado River Central Highlands Planning Area Download entire Central Highlands Planning Area Atlas in pdf Back road to Wickenburg Desert