Water Resource Data, Tools, and Maps

Explore water resource data via our online geospatial data tools and downloadable U.S. maps and data sets.

Marine and Hydrokinetic Geospatial Data Tools

Access our tools to explore marine and hydrokinetic geospatial data for the United States and around the world.

Marine and Hydrokinetic Geospatial Resource Maps and Data

Explore a collection of marine and hydrokinetic resource maps for the United States.

Closed-Loop Pumped Storage Hydropower Supply Curves

View an interactive map or download geospatial data on closed-loop pumped storage hydropower supply curves.