U.S. Geological Survey Interactive National Streamflow Mapping System Using this tool you can select state, data (such as streamflow) and search for a specific river name.

U.S. Geological Survey Idaho Site Real-Time Data for Idaho: Streamflow -- up to 150 sites monitored.

Idaho Power Hells Canyon Site Daily Hells Canyon River Flow (cfs) and links to the daily flow information for the Snake River below Hells Canyon Dam and other locations throughout the region.

U.S. Geological Survey Oregon Site Real-Time Data for Oregon: Streamflow -- over 200 sites monitored.

U.S. Bureau of Reclamation "Teacups" Sites Graphical data for major storage reservoirs in the Boise & Payette River Basins as well as overall stream flows.

Graphical data for major storage reservoirs in the Upper Snake River Basin as well as overall stream flows.