Bureau of Reclamation, Pacific Northwest Region - Major Storage Reservoirs in the Upper Snake River


Average daily streamflows indicated in cubic feet per second. Reservoir levels current as of midnight on date indicated. Click on gaging stations (red dots) for streamflow hydrographs.

Upper Snake River system is at 98 % of capacity.

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

Total space available:73068 AF

Total storage capacity:4045695 AF

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