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Glen Canyon Dam releases about five times more water than normal this week in an effort to rebuild sand bars downstream.

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Glen Canyon Dam releases flood waters downstream to Grand Canyon

High flow experimental release aims to restore sand and ecological integrity downstream

GLEN CANYON, Ariz. - With a new science-based protocol in place for conducting more frequent high flow experimental (HFE) releases from Glen Canyon Dam, the Department of Interior initiated the first such release beginning Nov. 18.