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Securing Arizona's Water Future
Land Ownership in the Harquahala Basin
Land ownership, including the percentage of ownership by category, for the Harquahala Basin is shown in Figure 7.3-2.  The principal feature of land ownership in this basin is the large amount of U.S. Bureau of Land Management Land.  A description of land ownership data sources and methods is found in Volume 1, Appendix A.  More detailed information on protected areas is found in Section 7.0.4.  Land ownership categories are discussed below in the order of largest to smallest percentage in the basin.

U.S. Bureau of Land Management (BLM)

  • 62.2% of the land is federally owned and managed by the Lower Sonoran Field Office of the Bureau of Land Management.
  • This basin contains 52,800 acres of wilderness. This includes 24,000 acres of the 100,000 acre Eagletail Mountains Wilderness, 18,000 acres of the 21,000 acre Big Horn Mountains Wilderness, 5,500 acres of the 31,000 acre Hummingbird Springs Wilderness and 5,300 acres of the 23,000 acre Harquahala Mountains Wilderness. (see Figure 7.0-12)
  • Land uses include resource conservation, recreation and grazing.


  • 25.1% of the land is private.
  • Land uses include domestic, commercial and grazing.

State Trust Land

  • 12.6% of the land is held in trust for the public schools, the Pioneer Home and both the Dept of Corrections and Juvenile Corrections and county bonds under the State Trust Land system.
  • Primary land use is grazing.

Other (Game and Fish, County and Bureau of Reclamation Lands)

  • 0.1% of the land is federally owned by the U.S. Bureau of Reclamation (USBOR)
  • USBOR lands are located in the western portion of the basin in the vicinity of Interstate 10 where they surround the Central Arizona Project aqueduct.


Click here for Figure 7.3-2

Figure 7.3-2 Harquahala Basin Land Ownership



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Power Plant in Harquahala Basin