Sunday, September 12, 2021

Depleted by drought, Lakes Powell and Mead were doomed from the beginning

 

For the first time, the U.S. Bureau of Reclamation issued a water shortage for Lake Mead starting in 2022. Located between southern Nevada and northwestern Arizona, Lake Mead provides water and generates electricity for the more than 20 million people in the lower Colorado River Basin.
 

This shortage isn’t a surprise. Water levels at Lake Mead and Lake Powell to the northeast have already reached historic lows amid the summer drought. By January, the bureau projects water levels at Lake Mead to fall to 1,065.85 feet — nine feet below the first shortage trigger elevation. Levels on Lake Powell, which stores water for the Upper Colorado River Basin, are only marginally better, projected to be just 45 feet above the required elevation to produce hydropower.

The overall situation is not good, but why? This whole reservoir system along the Colorado River Basin was designed to get us through the drought years. Why isn’t it working? A glimpse into the history of the system, how it was designed and the impacts of climate change sheds light on why it was destined to fail — and why it may never recover...MORE

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