Columbia-Pacific Northwest Region

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

PROVISIONAL DATA - Subject to change
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 % of capacity.
(Jackson Lake,Palisades, Grassy Lake,Island Park,Ririe,American Falls,LakeWalcott)
Total space available:	AF
Total storage capacity:	4045695 AF

Graph of Total System Storage

Key to Station Codes
Minidoka Project Information
Ririe Project Information
Palisades Project Information