Indian Reservation
- 51.4% of the land is under tribal ownership as the Tohono O’odham, Gila River and Ak-Chin Indian Reservations.
- This is the largest percentage of Indian reservation land in any of the AMA basins.
- Land uses include domestic, commercial, agriculture and grazing.
Private
- 22.5% of the land is private.
- Land uses include domestic, commercial, agriculture and mining.
State Trust Land
- 13.0% of the land is held in trust for public schools and other beneficiaries under the State Trust Land system.
- A portion of state trust land is within the Ironwood and Sonoran Desert National Monuments.
- Land uses include agriculture, grazing and recreation.
U.S. Bureau of Land Management (BLM)
- 10.5% of the land is federally owned and managed by the Tucson and Lower Sonoran Field Offices of the Bureau of Land Management.
- The AMA includes 1,309 acres of the 5,080-acre Coyote Mountain Wilderness and 3,041 acres of the 14,400-acre Sierra Estrella Wilderness. BLM lands also include portions of the Sonoran Desert and Ironwood National Monuments (See Figure 8.0-13)
- Land uses include resource conservation, recreation and grazing.
U.S. Military
- 1.9% of the land is federally owned and managed by the U.S. Military.
- Military lands include a portion of the Barry Goldwater Air Force Range, part of which is within the Sonoran Desert National Monument.
- Primary land use is military activity.
Other (Game and Fish, County and Bureau of Reclamation Lands)
- 0.7% of the land is owned and managed by the U.S. Bureau of Reclamation (BOR) or local and regional governments.
- “Other” includes land in the eastern portion of the AMA managed by BOR for the Central Arizona Project canal and pumping stations as well as local and regional parks managed by Maricopa County.
- Land uses include water infrastructure and recreation.
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Figure 8.2-2 Pinal AMA Land Ownership
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Arizona Department of Water Resources
Statewide Planning, Water Atlas owner of this page.
