Official Water Supply Forecasts (January - July)
2022 Water Year

[Previous Water Years]

Monthly WSF Date Posted (by 17:00)
January 5-Jan-2022
February 3-Feb-2022
March 3-Mar-2022
April 5-Apr-2022
May 4-May-2022
June 3-Jun-2022
July 6-Jul-2022
Water Year ESP Plot (NWRFC)  
Grand Coulee Dam (APR-AUG)
The Dalles Dam (APR-AUG)
Lower Granite Dam (APR-JUL)