Juvenile salmon migrating to the sea in the Sacramento River face a gauntlet of hazards in an environment drastically modified by humans, especially with respect to historical patterns of stream flow.

The amount of water in U.S. streams and rivers has been significantly altered in nearly 90 percent of waterways that were assessed in a new nationwide United States Geological Survey study. Such flow ...

Flow rates and time of year must be taken into account to better understand the potential risks posed by emerging organic contaminants in rivers and streams, according to researchers who studied ...

A state water court has upheld a controversial new in-stream flow right established by the Colorado Water Conservation Board for the Dolores River. In 2015, the state water board appropriated an ...