The level of Flaming Gorge Reservoir will drop by 9 feet under a plan announced Tuesday by the U.S. Bureau of Reclamation in yet another emergency move to keep power generation possible 450 miles downstream at the Glen Canyon Dam.
Low water threatens power generation at Glen Canyon Dam, so federal water managers draw water from the upstream reservoir.
To forestall that possibility, the bureau plans to inject nearly 1 million acre-feet of water into Powell through a combination of holding back releases into the Colorado River from Glen Canyon Dam and releasing 500,000 acre-feet from“This should add about 16 feet of elevation,” according to the bureau’s Upper Colorado Regional Director Wayne Pullan.
These measures come on top of emergency releases last year from Flaming Gorge and two other upstream reservoirs, totaling 161,000 acre-feet. At 3,522 feet above sea level, Lake Powell is already 45 feet lower than it was at this time last year and a mere 32 feet above “minimum power pool.” Vast stretches of sediments, deposited by the Colorado and San Juan rivers over the past 60 years since the lake began filling, are now The Glen Canyon Dam, on the Colorado River in northern AZ, on Tuesday, Aug. 3, 2021.
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