Winter storm runoff pours into Flagstaff's Upper Lake Mary

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Snow in Flagstaff on Feb. 23, 2015 Snow in Flagstaff on Feb. 23, 2015

FLAGSTAFF, Ariz. (AP) -- A lake that provides Flagstaff with much of its water supply is now about two-thirds full, thanks to runoff from a recent winter storm.

The Arizona Daily Sun in Flagstaff reports that Upper Lake Mary was 29 percent full at the end of December but by late last week had risen to 65 percent full, with more runoff still flowing in.

City utilities director Brad Hill said the recent winter precipitation poured more than 1.6 billion gallons of water into the lake, and that it now has more than 3.3 billion gallons of water.

According to the city's website, residents and visitors consume nearly 3 billion gallons of drinking water each year. Besides surface water, Flagstaff also uses wells to pump water from the ground.

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