Snow Survey Water Supply and Reservoir Storage Products

Water Supply & Reservoir Storage

Streamflow Forecasting

• Arizona Basin Outlook Reports (Summary of Arizona's water supply conditions)

• Arizona Monthly Reservoir Reports 
• Arizona Reservoir Storage Graphic

All links below refer to the NRCS National Water and Climate Center website

Streamflow Forecasting Storage - National and Regional Data

• Guide to Interpreting Streamflow Forecasts

• Snow Surveys and Water Supply Forecasting Booklet (Ag Bulletin 536)

• Streamflow Forecast Probability Charts  (For selected stations in each state)

• Historical State Water Supply Outlook Reports (1990-2013) (Released monthly by state, current & historic reports available)

• Western US Streamflow Forecast Maps  

• Western US Streamflow Forecast Tables

Reservoir Storage  - National and Regional Data

• Current Western US Reservoir Storage Graphic

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• Current Western US Reservoir Storage Data Report