- Columbia-Pacific Northwest Region
- General Information
Bureau of Reclamation, Pacific Northwest Region
Tualatin River Basin Storage and Flow Diagram
Data from stations DLLO and WSLO provided by US Army Corps of Engineers.
Data from station LEFO provided by Oregon Water Resources Dept.
Average daily streamflows indicated in cubic feet per second.
Reservoir levels current as of midnight on date indicated.
Click on image elements for current-data or multi-year hydrographs.
DLLO == Tualatin River near Dilley (US Army Corps of Engineers) GSTO == Tualatin River at Gaston LEFO == Tualatin River below Lees Ferry (OWRD) SCLO == Scoggins Creek above Henry Hagg Lake SCO == Scoggins Dam and Henry Hagg Lake SCOO == Scoggins Creek below Henry Hagg Lake WSLO == Tualatin River near West Linn (US Army Corps of Engineers)Tualatin Project Information