Science Stories

The United States faces growing challenges to its water supply, and we need to know where there is not enough water, where we have more than we need, and the quality of the water. Learn more about how the USGS science is helping our Nation understand and address water availability issues.

Balancing water availability and quality in the Delaware River Basin

Hand-illustrated map of the Delaware River Basin showing stream network, reservoirs, and USGS sensors.

How new USGS science and monitoring can inform water management

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From snow to flow

Collaged photo of a snow-covered bank near melt-water stream with mountains and charts in the background

What changing snowmelt means for water availability in the western U.S.

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