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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.
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 ...
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]
Where the aquifer is thickly confined, less dissolution occurs and transmissivity tends to be lower. In the first regional map depicting transmissivity variation across the aquifer, Miller (1986) showed that transmissivity values exceed 250,000 ft 2 /d (23,000 m 2 /d) where the aquifer system is either unconfined or thinly confined. In areas ...
Edwards and Trinity Aquifers map. The Edwards Aquifer is one of the most prolific artesian aquifers in the world. [2] Located on the eastern edge of the Edwards Plateau in the U.S. state of Texas, it is the source of drinking water for two million people, and is the primary water supply for agriculture and industry in the aquifer's region.
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Surficial aquifers are shallow aquifers typically less than 50 feet (15 m) thick, but larger surficial aquifers of about 60 feet (18 m) have been mapped. They mostly consist of unconsolidated sand enclosed by layers of limestone, sandstone or clay and the water is commonly extracted for urban use.
The water drains relied on gravity, with the destination lower than the source, which is typically an upland aquifer. allows water to be transported long distances in hot dry climates without losing a large proportion of the source water to seepage and evaporation.