Navajo Dam operations update (September 10, 2022): Bumping releases to 900 cfs #SanJuanRiver #ColoradoRiver #COriver #aridification

The San Juan River’s Navajo Dam and reservoir. Photo credit: U.S. Bureau of Reclamation

From email from Reclamtion (Susan Novak Behery):

In response to a hot dry weather pattern and continued decreasing flows in the critical habitat reach, the Bureau of Reclamation has scheduled an increase in the release from Navajo Dam from 850 cubic feet per second (cfs) to 900 cfs for tomorrow, September 10th, at 4:00 AM. 

Releases are made for the authorized purposes of the Navajo Unit, and to attempt to maintain a target base flow through the endangered fish critical habitat reach of the San Juan River (Farmington to Lake Powell).  The San Juan River Basin Recovery Implementation Program recommends a target base flow of between 500 cfs and 1,000 cfs through the critical habitat area.  The target base flow is calculated as the weekly average of gaged flows throughout the critical habitat area from Farmington to Lake Powell.  This scheduled release change is calculated to be the minimum required to meet the minimum target baseflow.

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