You can find stream flow and reservoir water level information by using the resources below, or by calling 1-800-422-3143 toll-free.
Idaho Power River Flow and Reservoir Information
Use our stream flow tools below to find river flow readings and reservoir information along the Snake River and its tributaries, including:
- Brownlee
- Hells Canyon
- Swan Falls
- Milner Power Plant to Star Falls Reach
- Milner Reach
The data we collect helps government agencies manage water resources and monitor flood risk, drought, and other water conditions.
Other Water Flow Resources:
Search by location to find stream flow areas and gages.
Browse a list of stream flow stations and view station data.
Can’t find what you want? View our Frequently Asked Questions.
For flow data in areas of the Snake River not influenced by Idaho Power, visit:
- U.S. Geological Survey
- U.S. Bureau of Reclamation
- Weather conditions and water forecasts
- Idaho Department of Water Resources.
Select “On-Line Data” and then “River Flows for Recreationists.” - Oregon Water Resources Department