Monitors in the Willamette River at Portland, OR
Data presented on these pages are
provisional and subject to revision.
Recent and historical data from these monitors are available through the USGS
Data Grapher and
Willamette River at Portland, OR (14211720)
Data are downloaded and processed every 3 hours.
Note that with the Rose Festival fleet coming to town and using
sonar, our acoustic velocity sensor that measures water velocity may
not work properly. Expect the velocity and streamflow data to be missing
until the fleet leaves. We apologize for any inconvenience.