Front

Surface Water

Back

Water that collects on the surface of the ground, including rivers, lakes, and oceans.

Front

Groundwater

Back

Water located beneath the earth's surface in soil pore spaces and in the fractures of rock formations.

Front

Water Table

Back

The level below which the ground is saturated with water.

Front

Channel

Back

A natural or artificial watercourse that contains moving water.

Front

Tributary

Back

A river or stream flowing into a larger river or lake.

Front

Watershed

Back

An area of land that separates waters flowing to different rivers, basins, or seas.

Front

Divide

Back

A ridge or continuous line of high land, from which water flows to one side or the other.

Front

Aquifer

Back

A body of permeable rock that can contain or transmit groundwater.