The Upper Snake River system is:
Total storage content:
Total storage capacity:
The change in system content is:

Upper Snake River Operations Updates

For official flood watches and warnings please visit the National Weather Service

Hydromet — Reservoir and Streamflow Data

Select Upper Snake River Basin:

AgriMet — Agricultural Weather Data

Useful Links
River Flow Data from the USGS


Snake River above King Hill River and Reservoir Operations Information:

Phone: (208) 678-0461 or (208) 670-0761
Email: Jeremy Dalling , Water Management Lead
   Brian Stevens , Water Management Supervisor

American Falls Dam Grassy Lake Dam Island Park Dam Jackson Lake Dam Ririe Dam Palisades Dam Minidoka Dam Little Wood Dam Milner Dam Henrys Lake Dam Click on the Reservoir name to view reservoir and streamflow data.

Check boat ramp elevations>>

Last Updated: 6/25/24