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Snake River Area Office — Water Operations

Hydromet — Reservoir and Streamflow Data

For additional information about other basins and water temperature and precipitation select below:

AgriMet — Agricultural Weather Data

Regional Water Supply Update

The runoff forecast percentages in the Water Supply Update represent operating forecasts prepared by Reclamation, and may differ in values and timeframes from those published by the National Weather Service and Natural Resources Conservation Service. For official forecasts please contact those agencies.

Lewiston Orchards Irrigation Project Reservoir Storage Reservoir storage in eastern Oregon Reservoir storage in the Boise and Payette Basins Upper Snake River Basins Click on the basin name to view reservoir storage diagrams including daily average streamflows.


Check boat ramp elevations>>

Warning symbol Malheur County and the Bureau of Reclamation closed the Malheur County Boat Ramp at Owyhee Reservoir indefinitely due to extremely low water levels creating safety issues. Users wanting to launch water craft are being asked to use the Indian Creek Boat Ramp within the Lake Owyhee State Park located 5 miles south of the Malheur County Boat Ramp.


Regional Water Operations >>
New icon image Upper Snake Field Office Water Operations >>
River Flow Data from the USGS


Boise, Payette, and eastern Oregon basins:

  • Call (208) 334-9134 for the daily streamflow recording.
  • Email Melissa Jayo at mjayo@usbr.gov.

Upper Snake River Basin:

  • Call (800) 658-5771 for recorded streamflow information.
  • Email John Hildreth at jhildreth@usbr.gov.


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Last Update: April 15, 2015 11:22 AM