A collection of resources--pictures, maps, data, glossary--about water and the water cycle.

When it rains, some of the rainwater soaks into the ground, and part of it flows over the ground and directly into creeks, streams, or rivers. This water that runs off into the river is called runoff, or sometimes stormwater runoff....

Lake Mattamuskeet-so named by Algonquian Indians-is North Carolina's largest natural lake. The ancient body of water has not escaped man's intervention. Originally, Mattamuskeet was a shallow, self-contained lake without creeks or rivers...

This is a very brief overview of the water cycle, but it does have a nice graphical representation.

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