Lake Powell just dropped 36 feet in a single year—the fastest decline in the reservoir's 60-year history. Water elevation has fallen to 3,522 feet above sea level, the lowest level recorded since 1969, just six years after the dam first began filling. At current rates of decline, the reservoir will reach "dead pool" elevation within 24 months—the point where water can no longer flow through Glen Canyon Dam's outlet pipes, collapsing the entire Colorado River distribution system that supplies 40 million people across seven states.
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