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Under the High-Flow Protocol, high flow releases are linked to sediment input and other resource conditions below Glen Canyon Dam. Preliminary analysis appears favorable for a high flow experimental release to occur during the week of November 9th, 2014.

During the High Flow Experiment, total releases from Glen Canyon Dam at full bypass may reach approximately 37,500 cfs for up to 96 hours. The total experiment, including ramping, could last up to about five and a half days. In the event of a high flow experiment, releases from Glen Canyon Dam prior to and after the high flow experiment are anticipated to fluctuate between about 7,000cfs and 9,000cfs.

Further data collection, modeling, and analysis prior to the end of October may modify the expected duration and/or magnitude of the HFE. A final determination on the timing, magnitude and duration of a potential fall 2014 HFE will likely be made near the end of October.


Updated October 10, 2014

Katrina GrantzHydraulic Engineer, Glen Canyon Dam
Bureau of Reclamation
125 S. State St.
Salt Lake City, UT 84138
Ph: 801-524-3635
 
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