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Sierra Nevada and Upper Colorado River Basin Water Storage Tracker

Associated Agencies

California-Nevada Climate Applications Program (CNAP), a NOAA RISA team

The California-Nevada Climate Applications Program (CNAP) produces the Sierra Nevada Water and Upper Colorado River Basin Storage Tracker that provides daily reservoir storage and snowpack information. 

How to

How to use these data:

  • View the tables available
  • To save, right-click the image and select ‘Save image as...’ 

Access

Sierra Nevada Water Storage Tracker: daily reservoir storage and snowpack updates for the Sierra Nevada and Upper Colorado River Basin.

Representative Image
Example graph showing Western Sierra reservoirs plus snowpack