Lake Powell reaching critically low elevation levels, experts say

Lake Powell, the second-largest reservoir in the U.S., is nearing critically low water elevation levels, the latest data shows.

​Lake Powell, the second-largest reservoir in the U.S., is nearing critically low water elevation levels, the latest data shows.  US Lake Powell, the second-largest reservoir in the U.S., is nearing critically low water elevation levels, the latest data shows.