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How much water is an acre-foot — and how much do we need to save the Colorado River?

Negotiations to save water from the drying Colorado River surround this volumetric measurement, here are a few comparisons to put an acre-foot into context

The Glen Canyon Dam holds back Colorado River water, which forms Lake Powell, seen from the air on April 15, 2023, in Page, Arizona. The flight for aerial photography was provided by LightHawk.(Photo by RJ Sangosti/The Denver Post)
The Glen Canyon Dam holds back Colorado River water, which forms Lake Powell, seen from the air on April 15, 2023, in Page, Arizona. The flight for aerial photography was provided by LightHawk.(Photo by RJ Sangosti/The Denver Post)
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While state and federal officials, farmers and the heads of Native American tribes, work frantically to conserve water from the drying Colorado River one term appears more often than probably any other: the acre-foot. This is what you need to know.
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