The water at Hoover Dam should be near the top of the dam. But the water hasn’t been that high in 40 years. Decades of drought have dropped the lake level 158 feet.

The repercussions of a draining water supply are immense -- farms are drying up, a once-thriving marina now sits more than a mile from lake water and Arizona's Department of Water Resources is planning water cuts that could impact municipal water supplies as early as 2024.

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