Earth’s Water IAN 3

groundwater

is found in aquifers

aquifer

an underground layer of permeable rock that contains water

Permeable rock

has spaces in it that can contain water.

layers of soil

above an aquifer filter out pollution

water table

top of the water level in an aquifer.

Rural families

and small towns usually get their water from wells drilled down into the aquifer

Reservoirs

large lakes that are used to provide water to cities.  Cities may also use rivers as water supplies.

Desalination

process of removing the salts from ocean water making it drinkable.  IS EXPENSIVE!


Don’t copy below here:

During 1985, an average of about 3 billion gallons per day of freshwater was withdrawn from the Floridan Aquifer for all purposes.

http://coastgis.marsci.uga.edu/summit/aquifers.htm