Freshwater studies

Our scientists study freshwater environments, producing data and reports. Several data applications, maps, and dashboards describe the state of our rivers, streams, and lakes. Many reports are published each year in several categories.

Ongoing monitoring & assessment projects

Three scientists sit and stand near and in two blue rafts of the bank of a wide river.

Scientists from the Watershed Health Program assess habitat in the Snake River region

Publications and reports on freshwater studies