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Securing Arizona's Water Future
Geography of the Sacramento Valley Basin

The Sacramento Valley Basin is the third largest basin in the planning area at 1,587 square miles and is located in the western portion of the planning area.  Geographic features and principal communities are shown on Figure 4.9-1.  The basin is characterized by broad valleys and mountains along the eastern and western basin boundaries.  A small segment of the Colorado River defines the westernmost basin boundary. Vegetation is primarily semi-desert grassland with smaller areas  Arizona upland and lower Colorado River Sonoran desertscrub, semi-desert grassland, of Great Basin conifer woodland, interior chaparral and montane conifer forest. (see Figure 4.0-9)  A small riparian area consisting of marsh and mesquite occurs along the Colorado River.

Principal geographic features shown on Figure 4.9-1 are:

  • The north-south trending Sacramento Valley and Dutch Flat in the center of the basin

  • Sacramento Wash running north to south, then east to west near Yucca to the Colorado River

  • Cerbat Mountains on the northeast basin boundary

  • Black Mountains on the western basin boundary north of Yucca and the Mohave Mountains on the southwestern basin boundary

  • Hualapai Mountains on the east central basin boundary with the highest point in the basin, Wabayuma Peak, at 7,601 feet

  • The lowest point in the basin, about 500 feet near Topock

 

Click to view Figure 4.9-1

Click to view Figure 4.9-1 Sacramento Valley Basin

Geographic Features

 

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