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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 Ogallala Aquifer (oh-gə-LAH-lə) is a shallow water table aquifer surrounded by sand, silt, clay, and gravel located beneath the Great Plains in the United States. As one of the world's largest aquifers, it underlies an area of approximately 174,000 sq mi (450,000 km 2) in portions of eight states (South Dakota, Nebraska, Wyoming, Colorado, Kansas, Oklahoma, New Mexico, and Texas). [1]
Englishtown aquifer; Floridan aquifer; Great Miami aquifer; Kirkwood–Cohansey aquifer; Lloyd aquifer; Magothy aquifer – largest of Long Island's aquifers; Mahomet Aquifer; Medina aquifer; Mt. Laurel–Wenonah aquifer; Ogallala Aquifer, also known as the High Plains Aquifer; Ozark Plateau aquifer; Patapsco aquifer; Permian Sea; Potomac ...
Aquifers of the United States are organized by national principal aquifer codes and names assigned by the National Water Information System (NWIS). Aquifers are identified by a geohydrologic unit code (a three-digit number related to the age of the formation) followed by a 4 or 5 character abbreviation for the geologic unit or aquifer name. [10]
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The megadrought gripping the western United States is drying up major water reservoirs like Lake Mendocino. Drought Drains Small-Town Aquifer Skip to main content
The Kirkwood-Cohansey aquifer is an aquifer system in the New Jersey Pine Barrens. It covers approximately 3,000 square miles (7,800 km 2) [1] and receives about 44 inches of precipitation each year. About fifty percent of this water is transpired by vegetation or evaporates back into the atmosphere.
The Floridan aquifer system underlies portions of five states. Source: USGS. The Floridan aquifer system spans an area of about 100,000 square miles (260,000 km 2) in the southeastern United States and underlies all of Florida and parts of southern Alabama, southeastern Georgia, and southern South Carolina. [1]