Lake Powell and Lake Mead dip to historic lows

The agency’s projections show a 3 percent chance Lake Powell will hit a level where Glen Canyon Dam that holds it back cannot produce hydropower as early as July 2022 if the region has another dry winter.The agency’s projections show a 3 percent chance Lake Powell will hit a level where Glen Canyon Dam that holds it back cannot produce hydropower as early as July 2022 if the region has another dry winter.