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 49 % of capacity.
(Jackson Lake,Palisades, Grassy Lake,Island Park,Ririe,American Falls,LakeWalcott)
Total space available:2078570 AF
Total storage capacity:4045695 AF