Lower Granite Dam

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Location: River Mile 107.5 on the Snake River (431 river miles from the mouth of the  Columbia River) located in HUC 17060107
Operated by: United States Army Corp of Engineers, Walla Walla District
Link: http://www.nww.usace.army.mil/dpn/dpn_project.asp?project_id=91

2015 Smolt Monitoring

Dates: March 26 to October 31
Sampling conducted by: Washington Department of Fish and Wildlife
Project Leader: Fred Mensik

Passage index formula

1999 to Present: (collection count)/((average (COE turbine discharge/(COE turbine discharge + COE total spill))))
1998 to 1985: (collection count)/((average(COE turbine discharge/(COE turbine discharge + COE total spill))))

Traditional Adult Return Reporting Dates

March 1 to December 15




Page last updated on: January 29, 2016

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