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Lake Powell could be too low to produce hydropower by 2026

Changing Lake Powell levels left a floating restroom stranded on rock
National Park Service
Changing Lake Powell levels left a floating restroom stranded on rock. The bathroom, once located near Dominguez Butte, has been moved to deeper water as of June 2021.

The Bureau of Reclamation says water levels at Lake Powell could drop too low to generate hydropower as soon as next year.

The dire projection is familiar territory in the midst of a two-decade megadrought.

The nation’s second largest reservoir is only about 30% full. If it drops much more, it could go below the hydropower turbines inside Glen Canyon Dam. They generate electricity for about 5 million people across seven Western states.

The reservoir faced the same problem a few years ago. Water managers made emergency releases from other reservoirs to prop up Lake Powell until spring runoff came to the rescue.

Colorado River experts say that strategy won’t work in the long term.

Policymakers are under pressure to come up with a new system for sharing a river that’s shrinking because of climate change, and they need to do it before the current system expires in 2026.

More water news