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.
Upper Snake River system is at 45 % of capacity.
(Jackson Lake,Palisades, Grassy Lake,Island Park,Ririe,American Falls,LakeWalcott)
Total space available:2213745 AF
Total storage capacity:4045695 AF