Dworshak Reservoir Filling Up Earlyby Associated Press
KTVB, April 26, 2015
LEWISTON, Idaho - It may be counterintuitive, but water managers with the U.S. Army Corps of Engineers say low snow levels last winter mean Dworshak Reservoir will fill sooner than normal.
Steve Hall with the Corps' Walla Walla District tells the Lewiston Tribune newspaper that because the snowfall was so far below average, water managers haven't lowered the reservoir this spring as much as normal. They typically lower the reservoir to prevent flooding when warm spring weather melts the mountain snowpack.
Since they haven't lowered it as much, spring runoff is expected to fill the reservoir by the end of May, about a month ahead of schedule.
The reservoir sits behind the 717-foot Dworshak Dam on the North Fork of the Clearwater River.
watch Dworshak Reservoir Early Water Released Due to High Temperatures by Sophie Miraglio, KLEW TV, 7/3/13
Ranking of Water Years (1960-2015) at Lower Granite Dam Data Ranking, by NW River Forecast Center
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