An aquifer.
The name for a pipe in the ground used to remove water from an aquifer is called a well.
I believe you are looking for the Ogallala Aquifer.
The world's second largest aquifer is the Guarani Aquifer, located beneath parts of Brazil, Argentina, Paraguay, and Uruguay. It is a vital source of freshwater for the region.
Maybe the reference is to an aquifer.
An aquifer is most likely to be contaminated at its recharge zones. These are the areas in which water is directly infiltrated into the aquifer.
aquifer.
Northern Aquifer
Aquifer is the general name, and the body of water could be free or confined.
The ten largest aquifers in the United States include the Ogallala Aquifer, the Central Valley Aquifer, the Great Basin Aquifer, the Floridan Aquifer, the Columbia Plateau Aquifer, the Gulf Coast Aquifer, the High Plains Aquifer, the Santa Fe Aquifer, the Edwards Aquifer, and the Cape Cod Aquifer. The Ogallala Aquifer is particularly notable for its vast size and significant agricultural contributions. Each aquifer plays a crucial role in providing water for irrigation, drinking, and industrial use across their respective regions.
The word aquifer does not have an antonym.
Confined acquifer:An aquifer which is sandwiched between two layers of less permeavle material is called confined aquifer.Unconfined acquifer:Aquifers having water table in it is called unconfined aquifer.