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Spring Fish Operations: Spill At Snake River Dams Starts Sunday, Lower Columbia Dams April 10
Posted on Friday, April 01, 2011 (PST)

The U.S. Army Corps of Engineers said this week it will begin implementing its 2011 Spring Fish Operations Plan for spring migration to help Columbia River Basin juvenile salmon and steelhead migrate to the ocean.

 

The Spring FOP calls for spring spill, which begins at the Snake River projects on April 3 and at four lower Columbia River projects on April 10.

 

"We'll be spilling 24 hours a day, seven days a week at all eight mainstem dams during the out-migration season," said Rock Peters, the Corps' fish program manager.

 

The 2011 spring plan, which closely resembles last year's plan, continues operations for fish passage at the Corps' Columbia and lower Snake River dams. It includes spill and flow, adjustments to river operations and transporting juvenile fish beginning in late April or early May.

 

In 2010, the Corps transported approximately 35 percent of the spring migrating fish to below Bonneville Dam.

 

This year, performance standard testing will occur at John Day Dam, The Dalles, and Bonneville dams. "We anticipate continued high survival throughout the system," said Peters.

 

The latest water supply forecast for the Columbia River Basin is 105 percent of normal as measured at The Dalles Dam and 104 percent of normal for the Snake River Basin as measured at Lower Granite Dam.

 

The annual fish operations plans for spring and summer fish migration seasons are prepared by the Corps and are coordinated with states, tribes and other federal agencies in the region.

 

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The Columbia Basin Bulletin, Bend, Oregon. For information or comments call 541-312-8860.
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