Online River Level Data

River level information is collected at gauge stations throughout the State and made available to the public over the Internet. This information can be very useful prior to and during flood events.  

The links below access provisional river level information collected and maintained by the US Geological Survey and by the NOAA National Weather Service – Portland Forecast Center. It is recommended that you become familiar with the flooding source in your area and use the available river level information to better understand flood hazards.

USGS: Real Time Water Data for Oregon

​NOAA: Advanced Hydrologic Prediction Service