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Ririe Project
Ririe Project | Project History | Project Data | Contact Information

Project Data

 

  

Project # 1308

Project Water Supply
Project Water Quality

 

   

Project Water Supply

Current Conditions

Reservoir Storage

Major Storage Reservoirs in the Upper Snake River Basin

Weather Conditions (NOAA)

Precipitation

Streamflow

Willow Creek below Tex Creek near Ririe, Idaho (USGS)

Streamflow Forecast Map

Spring and Summer (NRCS)

Snowpack Information

Columbia River Snowpack Summary
Mountain Snowpack Maps for Columbia River Basin

Drought Index

Palmer Drought Index Map
Explanation of Palmer Drought Severity Index (Text)

 


Historic Conditions

Annual Precipitation
Normal16.08 in
Maximum - 198221.24 in
Minimum - 196610.92 in
Idaho Falls, Idaho 1961-1990 

 

Temperature
Mean Annual41.2 ?F
Daily Maximum - 08/01/198196 ?F
Daily Minimum - 01/12/1963-51 ?F
Idaho Falls, Idaho 1961-1990 

 

Willow Creek
Drainage area above Ririe Lake487 mi2
Annual discharge: 
Maximum - 1917273,471 acre-ft
Minimum - 197717,559 acre-ft
Average - 1903-1996106,758 acre-ft

Streamflows:

Willow Creek near Ririe Idaho (USGS)

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Project Water Quality

Willow

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Facilities in Operation
Storage Facilities
Carriage Facilities

 

   

Facilities in Operation
Storage Dams1
Floodway or Outlet Channel7.8 mi

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Storage Facilities

Ririe Dam

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Carriage Facilities
Floodway or Outlet Channel
LocationFrom Willow Creek west to the Snake River 4.5 miles north of Idaho Falls.
Construction period1975-1978
Length7.8 mi
Diversion capacity900 cfs
Typical section in earth, riprap lined: 
Bottom width8 ft
Top width50 ft
Side slopes1:2
Channel depth10 ft

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Last updated: May 16, 2011