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Arizona Department of Water Resources AZ.gov Arizona's Official Web Site
Securing Arizona's Water Future
Geography of the Western Mexican Drainage Basin

The Western Mexican Drainage Basin, located in the south central part of the planning area is 610 square miles in area.  Geographic features and principal communities are shown on Figure 7.10-1.  The basin is characterized by desert valleys and low elevation mountain ranges. Vegetation types include Lower Colorado River Valley and Arizona uplands Sonoran desertscrub. (See Figure 7.0-9)

Principal geographic features shown on Figure 7.10-1 are:

  • Aguajita Wash west of Lukeville
  • Tule Desert in the western portion of the basin
  • Sierra de Santa Rosa on the eastern basin boundary and the highest point in the basin at 3,149 feet.
  • The lowest point in the basin at 680 feet at Las Playas at the international boundary

Click here for Figure 7.10-1

Figure 7.10-1 Western Mexican Drainage Basin Geographic Features

 

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References and Supplemental Reading for the Western Mexican Drainage Basin

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sonoran desertscrub
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