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Land Ownership in the Tiger Wash Basin

Land ownership, including the percentage of ownership by category, for the Tiger Wash Basin is shown in Figure 7.9-2.  The principal feature of land ownership in this basin is the large proportion of U.S Bureau of Land Management lands.  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

  • 97.4% of the land is federally owned and managed by the Lower Sonoran Field Office of the U.S. Bureau of Land Management.
  • This basin contains 8,700 acres of the 23,000 acre Harquahala Mountains Wilderness. (see Figure 7.0-12)
  • Land use includes grazing, resource conservation and recreation.

State Trust Land

  • 2.3% of the land is held in trust for the public schools under the State Trust Land system.
  • Primary land use is grazing.


  • 0.3% of the land is private.
  • Land uses include domestic and grazing.

Click here for Figure 7.9-2

Figure 7.9-2 Tiger Wash Basin Land Ownership


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References and Supplemental Reading for the Tiger Wash Basin

Colorado River
Lower Colorado River Planning Area
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Ambrosia Mill
Tiger Wash