Groundwater refers to the water present beneath Earth's surface in saturated zones called aquifers. It is an important source of drinking water and supports ecosystems.
Related terms
Water Table: The upper boundary of the zone of saturation where groundwater fills all available spaces in soil or rock.
Recharge Area: A location where water infiltrates into an aquifer, replenishing its supply.
Cone of Depression: A cone-shaped lowering of the water table caused by excessive pumping from a well.