United States Department of Agriculture
Natural Resources Conservation Service
National Water and Climate Center Go to Accessibility Information
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National Water and Climate Center

Water Supply

Select a category below:

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Water Supply Forecasts

Reports, maps, graphs, and information on how to interpret streamflow forecasts.

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Reservoir reports and graphs.

Photo of the La Sal Moutains in Utah
Surface Water Supply Index (SWSI)

SWSI products by state.


Additional Information