Water table

Posted: 24 January 2001

The upper level of the saturated or groundwater zone in the rocks beneath the earth's surface. In the general, the shape of the water table follows that of the surface, but in places it may reach the surface, creating ponds or natural springs. The depth of the water table in any one area varies with such factors as input from precipitation, loss through sub-surface flow and pumping of groundwater from wells.