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Wet La Niña Winter Likely to Bring More Water Into Lake Powell

One of the Colorado River’s two major reservoirs is expected to collect better than average runoff this year, thanks to an unusually wet La Niña pattern that dropped a deluge of snow up and down the basin.

Lake Powell, the nation’s second largest reservoir that sits on the border of Utah and Arizona, is expected to receive 117 percent of its average inflows as the heavy snowpack melts in the western Rockies during the all-important April through July time frame, said Cody Mosier, a hydrologist with the Colorado Basin River Forecast Center.