Water Supply & Reservoir Storage
Oregon Water Supply Outlook Reports & Streamflow Forecasting
The May 1, 2016 Water Supply Outlook Report (WSOR) is now available.
The following documents require Adobe Acrobat.
Click here to view the May 1 WSOR Report
Retrieve Oregon WSOR publication in PDF format (PDF version available 2006-current):
Retrieve historic Oregon WSOR publication in text format (text version available 1990-2013):
Water Supply Outlook Reports (WSOR) (Released monthly Jan-Jun by state, current & historic reports available)
Western US Streamflow Forecast Maps
Western US Streamflow Forecast Tables
Daily Water Supply Forecasts (For selected stations):
Guide to Interpreting Streamflow Forecasts
Surface Water Supply Index (SWSI)