The USGS Water Science School
Welcome to the U.S. Geological Survey's (USGS) Water Science School. We offer information on many aspects of water, along with pictures, data, maps, and an interactive center where you can give opinions and test your water knowledge.
The USGS and the Food and Agriculture Organization of the United Nations have teamed up to produce a poster of the water cycle for kids and schools.
The USGS Water Resources of the United States provides water information that benefits the Nation's citizens. Publications, data, maps, and State information are available.