New Delhi, Aug. 10 -- Lake Mead, the largest reservoir in the United States, has fallen to its lowest water level since it was filled nearly 90 years ago. The decline is the latest warning sign of the worsening water crisis facing the Colorado River, a critical source of water for millions of people across the western United States.

How low has Lake Mead fallen?

Lake Mead's water level reached 1,040.4 feet (317.1 metres) above sea level on Friday (August 7), just below the previous record low set on July 28, 2022.

The reservoir sits behind Hoover Dam on the Arizona-Nevada border near Las Vegas. Its falling level is significant because Lake Mead is a major storage source for communities, farms, industries and power producers that depend...