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Bureau of Reclamation Water Data Update

November 9, 2006

This is the final issue of Water Data Update for the 2006 irrigation season

Water Year Type (Year Types are set according to total inflow and do not reflect current conditions)

Upper Klamath Lake:  Above Average (This is the highest-level classification for the lake.)

Klamath River:  Wet (This is the highest flow classification for the river.)

Additional Information

Snowpack Basin-wide Percent of Average:  25

Upper Klamath Lake April-September 30th

Stream Flow Forecast:  820,000 acre-feet at 50-percent exceedance

Stream Flow Actual = 683,470 acre-feet

Klamath River Flow Forecast:  793,000 acre-feet at 70-percent exceedance

Stream Flow Actual = 683,470 acre-feet

Upper Klamath Lake Level:  4,138.86 feet      

Upper Klamath Lake Inflow 7-day Average:  1,125 cubic feet per second (cfs)

 Link River Releases:  1170  cfs 

Keno Releases:  939 cfs 

Iron Gate Dam Releases:  1,310 cfs 

Requirement October through February for Wet Year Type in Biological Opinion:  1,300 cfs

Shasta River Flow:  174  cfs 

Scott River Flow:  127 cfs 

Trinity River Basin Extremely Wet Water Year (This year classification was set according to total inflow and does not reflect current conditions.)

Trinity River Releases below Lewiston Dam:  293  cfs

Trinity River Flow at Hoopa Gauge:  1,200 cfs 

This document is updated bi-weekly.  Please circulate freely.

For more information, please visit:


Please contact: Paul Gregory, Klamath Basin Area Office, 541-883 6935, pgregory@mp.usbr.gov

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