Water Data Update –May 2, 2007

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

Upper Klamath Lake:  Below Average

Klamath River:  Below Average

Additional Information

Snowpack Basin-wide Percent of Average:  63

Upper Klamath Lake April-September 30th

Stream Flow Forecast:  360,000 acre-feet at 50-percent exceedance

Klamath River Flow Forecast:  334,750 acre-feet at 70-percent exceedance

Upper Klamath Lake Level:  4,143.22 feet   

Upper Klamath Lake Inflow 7-day Average:  1,797 cubic feet per second (cfs)

 Link River Releases:  1,620  cfs 

Keno Releases:  909  cfs 

Iron Gate Dam Releases:  1,510 cfs 

Requirement May for Below Average Type in Biological Opinion:  1,400 cfs

Shasta River Flow:  153  cfs 

Scott River Flow:  1,050 cfs 

Klamath River at Klamath, CA:  19,900 cfs

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

Trinity River Releases – below Lewiston Dam:  4,790  cfs

Trinity River Flow – at Hoopa Gauge:  4,300 cfs 

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

For more information, please visit:

http://www.usbr.gov/mp/kbao/pilot_water_bank/index.html

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