Photos: Megadrought in US West hits worst-case scenario
The American West's megadrought deepened so much last year that it is now the driest it has been in at least 1,200 years, a new study finds.

A kayaker paddles in Lake Oroville as water levels remain low due to continuing drought conditions in Oroville, Calif., on Aug. 22, 2021. The American West's megadrought deepened so much last year that it is now the driest it has been in at least 1,200 years and a worst-case scenario playing out live, a new study finds.

Matt Lisignoli walks through an irrigation canal that ran dry in early August after the North Unit Irrigation District exhausted its allocated water on Sept. 1, 2021, near Madras, Ore.

A buoy once used to warn of a submerged rock rests on the ground along the waterline near a closed boat ramp on Lake Mead at the Lake Mead National Recreation Area, Aug. 13, 2021, near Boulder City, Nev.

A car crosses Enterprise Bridge over Lake Oroville's dry banks on May 23, 2021, in Oroville, Calif.