Lake Mead’s water levels have fallen to 1,040 feet, inching ever closer to dead-pool level.

Lake Mead, a reservoir formed by the Hoover Dam on the Colorado River, has been drying up because of the ongoing drought in the western United States. It stretches across Nevada and Arizona.

According to new data from Lakes Online, as of July 28 at 4 a.m local time, Lake Mead had fallen to 1,040 feet. At the beginning of 2022, the Lake was at 1,066 feet.