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Aquifers of the United States Withdrawal rates from the Ogallala Aquifer.. This is a list of some aquifers in the United States.. Map of major US aquifers by rock type. An aquifer is a geologic formation, a group of formations, or a part of a formation that contains sufficient saturated permeable material to yield significant quantities of water to groundwater wells and springs.
The following is a partial list of aquifers around the world. A category-based list of aquifers is also available. Africa. Bas Saharan Basin;
An aquifer in the same geologic unit may be confined in one area and unconfined in another. Unconfined aquifers are sometimes also called water table or phreatic aquifers, because their upper boundary is the water table or phreatic surface (see Biscayne Aquifer). Typically (but not always) the shallowest aquifer at a given location is ...
Pages in category "Aquifers in the United States" The following 25 pages are in this category, out of 25 total. This list may not reflect recent changes. *
The Floridan aquifer system, composed of the Upper and Lower Floridan aquifers, is a sequence of Paleogene carbonate rock which spans an area of about 100,000 square miles (260,000 km 2) in the southeastern United States.
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Aquifers and Groundwater Aquifer types and locations - and Groundwater hydrology and hydrogeology ; pollution and remediation ; and conservation management and recharge . Wikimedia Commons has media related to Aquifers .
There has to be complete saturation before water passes into the aquifer, Shaw says. Water levels will rebound, however, when people aren’t pumping as much water, usually around wintertime.