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Dworshak Dam Releases Cool Water to Protect Salmon and Steelhead by USACE, Walla Walla Big Country News, July 23, 2024

AHSAHKA -- During the hot summer months, the Walla Walla District of the U.S. Army Corps of Engineers releases cool water from Dworshak Dam to maintain optimal water temperatures in the Snake River for endangered salmon and steelhead.

Warm water temperatures above 68 degrees Fahrenheit can be harmful to these fish species in the Columbia and Snake river systems. To combat this, the district's scientists, biologists, and engineers have developed fish cooling systems at Lower Granite Dam and Little Goose Dam on the Snake River. These systems are aided by the cold water released from the Dworshak reservoir, ensuring a safer environment for the fish during the summer.

Related Pages:
Dworshak Dam Increases Discharge to Cool River Temperatures by Staff, Big Country News, 7/6/22
Dworshak Reservoir Starts Water Release Early by Staff, Lewiston Tribune, 6/24/21
Cold Water Released from North Idaho Dam to Help Salmon by Associated Press, The Olympian, 6/25/21
Dworshak Flows Increase; Clearwater Level Expected to Rise by Staff, Lewiston Tribune, 5/23/19
Agency Plans to Cut Dworshak Reservoir Water Flows Today by Staff, Lewiston Tribune, 4/6/19
Clearwater River Level to Drop a Foot Below Dworshak; Dam Outflows Reduced for Juvenile Fish by Staff, Daily Fly, 7/19/18
Corps Reduces Dworshak Flows for Fish by Eric Barker, Lewiston Tribune, 3/27/18
Dworshak Dam Tests May Cause River Flow Changes by Staff, Lewiston Tribune, 6/28/18
Rehab of Dworshak's Unit 3 Has its Share of Hiccups by Elizabeth Morgan, Clearwater Tribune, 8/16/17
Dworshak Dam Discharge Flows Lowered to Reduce Flooding Impacts Downstream by Mia Carlson, Daily Fly, 3/20/17
Dworshak Reservoir Filling Up Early by Associated Press, KTVB, 4/26/15