Bureau of Reclamation, Pacific Northwest Region - Major Storage Reservoirs in the Upper Snake River Basin (4/21)

April 22, 2019


Average daily streamflows indicated in cubic feet per second. 
Reservoir levels current as of midnight on date indicated.

Upper Snake River system is at 81 % of capacity.

(Jackson Lake,Palisades, Grassy Lake,Island Park,Ririe,American Falls,LakeWalcott)


Total space available:777891 AF

Total storage capacity:4045695 AF

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