Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
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.