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  2. List of aquifers in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_aquifers_in_the...

    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.

  3. Ogallala Aquifer - Wikipedia

    en.wikipedia.org/wiki/Ogallala_Aquifer

    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]

  4. Aquifer - Wikipedia

    en.wikipedia.org/wiki/Aquifer

    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 ...

  5. List of aquifers - Wikipedia

    en.wikipedia.org/wiki/List_of_aquifers

    The following is a partial list of aquifers around the world. A category-based list of aquifers is also available. Africa. Bas Saharan Basin;

  6. Edwards Aquifer - Wikipedia

    en.wikipedia.org/wiki/Edwards_Aquifer

    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.

  7. Floridan aquifer - Wikipedia

    en.wikipedia.org/wiki/Floridan_Aquifer

    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.

  8. Aqueduct (water supply) - Wikipedia

    en.wikipedia.org/wiki/Aqueduct_(water_supply)

    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.

  9. Groundwater - Wikipedia

    en.wikipedia.org/wiki/Groundwater

    This is an accepted version of this page This is the latest accepted revision, reviewed on 29 January 2025. Water located beneath the ground surface An illustration showing groundwater in aquifers (in blue) (1, 5 and 6) below the water table (4), and three different wells (7, 8 and 9) dug to reach it. Groundwater is the water present beneath Earth's surface in rock and soil pore spaces and in ...