enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  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. 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]

  4. 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 ...

  5. Floridan aquifer - Wikipedia

    en.wikipedia.org/wiki/Floridan_Aquifer

    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]

  6. File:Edwards-Trinity aquifer system v1.svg - Wikipedia

    en.wikipedia.org/wiki/File:Edwards-Trinity...

    The published maps contain base and cultural features not included in these data. This is a replacement for the July 1998 map layer called Principal Aquifers of the 48 Conterminous United States. Purpose: These data are intended for use in publications, at a scale of 1:2,500,000 or smaller.

  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. Vast deposit of 'white gold' in Arkansas could be stunningly ...

    www.aol.com/vast-deposit-white-gold-arkansas...

    A map of the U.S. showing the geological area called the Smackover Formation. The highlighted portion in red, in southern Arkansas, was found by the U.S. Geological Survey to have high levels of ...

  9. Southern California Coastal water resource subregion

    en.wikipedia.org/wiki/Southern_California...

    Per a USGS report of 1976, "Water deficiency is prevalent in the South Coastal subregion." [3] By 1955 the region was found to be experiencing measurable levels of saltwater intrusion due to overdrawn aquifers and several wells were abandoned as a consequence. [3]