Find out how water pollution can be prevented and how it affects you.

Information about the first federal legislation to address pollution caused by stormwater runoff from the landscape.

A quick summary of the water cycle that includes a diagram of the cycle, with links to in-depth explanations of each component of the cycle. Click "water-cycle home" to access water-cycle resources in a variety of languages.

In this activity, you will investigate some of the processes that make water move in and out of the atmosphere by making a miniature water cycle model inside a plastic bag.

Water pollution occurs when a body of water is adversely affected due to the addition of large amounts of materials to the water. The sources of water pollution are categorized as being a point source or a non-source point of pollution....

Animation and text explain the water--or hydrologic--cycle, which is the process that water undergoes in nature.

Try to find at least eight things in the picture that could cause litter, waste, or other pollutants to end up in the storm drain and eventually flow into nearby lakes and streams. Includes a link to an interactive page of this activity....

At this site from the U.S. Geological Survey you can find out what makes rain such a valuable resource. Included is a chart that tells how much rain different cities in the United States receive. Click Home to access the site in Spanish.

Find out how to bring life, diversity, and usefulness to something as common as a drainage ditch.

This site provides a comprehensive introduction to the water cycle. Students construct a model to simulate parts of the water cycle. Includes background information, links to standards, lesson plans, and assessment ideas.

This US Geological Survey site briefly discusses the basics of why pesticides are increasingly found in our ground water. Click Home to access the site in Spanish.

Terraces are constructed in agriculture to prevent the runoff of water. This site provides further details about terraces along with how they have been used in history.