skip to the content of this page Arizona's Official Website Arizona Department of Water Resources
Arizona Department of Water Resources Arizona's Official Web Site
Securing Arizona's Water Future
Land Ownership in the Yuma Basin
Land ownership, including the percentage of ownership by category, for the Yuma Basin is shown in Figure 7.11-2.  The principal feature of land ownership in this basin is the relatively large portion of military and private 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. Military

  • 51.7% of the land is federally owned and managed by the U.S. Military
  • U.S. Military lands include the Barry Goldwater Air Force Range, the Yuma Marine Corps Air Station (MCAS) and the Yuma Proving Grounds.
  • Primary land use is military activity.


  • 27.8% of the land is private.
  • Land uses include agriculture, domestic and commercial.

U.S. Bureau of Land Management (BLM)

  • 8.2% of the land is federally owned and managed by the Yuma Field Office of the Bureau of Land Management.
  • Primary land use is unknown.

State Trust Land

  • 5.9% of the land is held in trust for the public schools under the State Trust Land system.
  • Primary land use is agriculture.

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

  • 4.9% of the land is federally owned and managed by the U.S. Bureau of Reclamation.
  • Land use is unknown.

Indian Reservation

  • 1.5% of the land is under tribal ownership.
  • Tribal lands include the Cocopah Indian Reservation in three separate areas in the western portion of the basin and the Fort Yuma-Quechan Indian Reservation west of Laguna Dam Road.
  • Land uses include domestic, commercial and agriculture.

Click here for Figure 7.11-2

Figure 7.11-2 Yuma Basin Land Ownership


Arizona Water Atlas Home

Lower Colorado River Planning Area Home

References and Supplemental Reading for the Yuma Basin

Colorado River
Lower Colorado River Planning Area
Click to download Volume 7
Mainstreet Yuma
Agriculture in Yuma Basin