Yield Testing

A pumping test after completion of the borehole measures its yield in terms of its drawdown so the most suitable pumping equipment can be selected. The pumping test gives:
  • The water-volume pumped per hour.
  • The depth to the pumping level over a period of time of one or more constant pumping rates.
  • The water level recovery after pumping is stopped.
  • The length of time the well is pumped at each rate during the test procedure.
  • The best depth to set the pump.

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