Bureau of Reclamation, Pacific Northwest Region
Major Storage Reservoirs in the Upper Snake River Basin
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 (Jackson Lake,Palisades,
Grassy Lake,Island Park,Ririe,American Falls,LakeWalcott)
is at 72 % of capacity.
Total space available: 1132308 AF
Total storage capacity: 4045695 AF
Graph of Total System Storage
Key to Station Codes