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  1. Ogallala Aquifer - Wikipedia

    • The depth of the Ogallala varies with the shape of then-prevailing surface, being deepest where it fills ancient valleys and channels. The Ogallala Formation consists mostly of coarse sedimentary rocks in its deeper sections, which transition upward into finer-grained material. See more

    Overview

    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 … See more

    General characteristics

    The deposition of aquifer material dates back two to six million years, from the late Miocene to early Pliocene ages when the southern Rocky Mountains were still tectonically active. From the uplands to the west, river… See more

     
  1. Ogallala Aquifer - depth, important, system, source

    The depth to the water table of the Ogallala Aquifer varies from actual surface discharge to over 150 meters (500 feet). Generally, the aquifer is found from 15 to 90 meters (50 to 300 feet) below the land surface. The saturated thickness …

  2. Depth to water and water quality in groundwater wells in the …

  3. The Ogallala Aquifer | Oklahoma State University - OSU Extension

  4. Water-Quality and Depth to Water for Groundwater Wells …

  5. The Ogallala Aquifer: Saving a Vital U.S. Water Source

    Mar 1, 2009 · The scientific certainty of Ogallala’s decline has spurred an interest in conservation throughout the region. Researchers are developing less thirsty crops, including drought-tolerant corn.

  6. Ogallala Aquifer | Texas Water Development Board

    26 rows · Dec 31, 2016 · The Ogallala Aquifer is the largest aquifer in the United States and is a major aquifer of Texas underlying much of the High Plains region. The aquifer consists of sand, gravel, clay, and silt and has a maximum …

  7. USGS High Plains Aquifer WLMS: Generalized geology …

    Depth to water is the difference between the altitude of land surface and the altitude the water table. The generalized depth to water in the High Plains aquifer in 2000 ranged from land surface to more than 300 feet below land surface ( …