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An artesian well is one in which water

  • A.must be pumped from great depth
  • B.is drawn from a perched aquifer
  • C.is drawn entirely from the capillary fringe
  • D.rises above ground level without pumping

Answer: D

Correct answer: rises above ground level without pumping

An artesian well taps a confined aquifer whose piezometric surface lies above the ground at that point, so the water flows at the surface under its own pressure. The requirements are a confined aquifer, an intake area at higher elevation, and a well site below the piezometric surface. Where that surface lies below ground the well is confined but sub-artesian, and pumping is still needed.

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