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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. List of aquifers - Wikipedia

    en.wikipedia.org/wiki/List_of_aquifers

    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–Raritan–Magothy aquifer; Saginaw Aquifer; San Diego Formation [1] San Joaquin River ...

  4. Hydrologic unit system (United States) - Wikipedia

    en.wikipedia.org/wiki/Hydrologic_unit_system...

    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]

  5. Category:Aquifers in the United States - Wikipedia

    en.wikipedia.org/wiki/Category:Aquifers_in_the...

    This page was last edited on 30 December 2016, at 22:38 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.

  6. Principal aquifers of California - Wikipedia

    en.wikipedia.org/wiki/Principal_aquifers_of...

    California aquifers, excerpted from map in Ground Water Atlas of the United States (USGS, 2000): Lavender is "other" for "rocks that generally yield less than 10 gal/min to wells"; dark green-blue (3) are the California coastal basin aquifers, bright-turquoise blue (7) is the Central Valley aquifer system, flat cobalt-blue (1) down south is Basin and Range aquifers

  7. 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]

  8. Spokane Valley–Rathdrum Prairie Aquifer - Wikipedia

    en.wikipedia.org/wiki/Spokane_Valley–Rathdrum...

    The Spokane Valley–Rathdrum Prairie (SVRP) Aquifer is an aquifer in the northwest United States, underlying 370 square miles in eastern Washington and northern Idaho. [1] The aquifer is centralized under Spokane Valley and the Rathdrum Prairie, hence the name, and is part of the Columbia River drainage basin. It is composed of unconsolidated ...

  9. Floridan aquifer - Wikipedia

    en.wikipedia.org/wiki/Floridan_Aquifer

    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 ...