Unconfined Aquifer Well Design Calculator

Fluid Mechanics Hydraulics Hydrology

The following equation uses Darcy's equation with pumping occurring at the center of a cylinder. This equation can be utilized to determine the cone of depression and well drawdown in an unconfined aquifer.

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Problem:

Solve for pressure head at point 1.

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Enter Calculator Inputs:

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Solution:

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Change Equation or Formulas:

Tap or click to solve for a different unknown or equation

	extraction flow rate
	permeability coefficient
	pressure head at point 1
	pressure head at point 2
	radius at point 1
	radius at point 2

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References - Books:
1) P. Aarne Vesilind, J. Jeffrey Peirce and Ruth F. Weiner. 1994. Environmental Engineering. Butterworth Heinemann. 3rd ed.