Rio Grande by A. Molles

Click on a project text box in the map to learn more about each project. Please note that some project pages are under construction. Links are not active for these projects.

General Description

The Isleta reach of the Middle Rio Grande extends from the Isleta Diversion Dam located on the northwest boundary of the Pueblo of Isleta to the San Acacia Diversion Dam near the southern boundary of the Sevilleta National Wildlife Refuge.

The following bullet points highlight the promising features and constraints of the Cochiti reach, which provide opportunities and challenges for projects conducted in this area. This list was developed by the Bosque Hydrology Group.

Promising Features

cottonwood leaf Alternating sand bars that can be cleared and leveled for increased flood capacity.
cottonwood leaf

Islands are forming, suggesting an increase in sediment supply.

cottonwood leaf Overbank flooding is occurring in some segments.



cottonwood leaf Disassociation of flood plain with river flow.
cottonwood leaf Reduction of spring run-off peak river flow.
cottonwood leaf Uniform width of channel (~ 200 m) is present.
cottonwood leaf Invasion by exotic species: salt cedar and Russian olive.
cottonwood leaf Bank stabilization from jetty jacks and exotic species.
cottonwood leaf Increased threat of fire due to build up of woody debris and dense riparian vegetation.
cottonwood leaf Existence of natural levees.

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