Rains cause Lake Granby to spill again
After a long week of wet weather, Lake Granby is spilling once more. Steady rain on both sides of the divide has filled Front Range reservoirs, limiting the amount of water being diverted through the Alva B. Adams Tunnel.
As of Wednesday evening, July 30, Shadow Mountain Dam was releasing about 550 cubic feet per second, said Kara Lamb with the U.S. Bureau of Reclamation.
Granby Dam was also releasing around 550 cfs. Releases from Granby Dam were primarily through the river gate, though some water is coming over the spillway.
On the other side of the divide, officials expect outflows from Olympus Dam into the Big Thompson River to increase. Inflows to Lake Estes in Estes Park are being returned to the Big Thompson River via the Big Thompson Power Plant.
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