Unconfined Aquifer Well Design Calculator
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.
Solving for radius at point 2.
Inputs:
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Conversions:
Solution:
Other Units:
Select to solve for a different unknown
 | extraction flow rate |
 | permeability coefficient |
 | pressure head at point 1 |
 | pressure head at point 2 |
 | radius at point 1 |
 | radius at point 2 |
References - Books:
1) P. Aarne Vesilind, J. Jeffrey Peirce and Ruth F. Weiner. 1994. Environmental Engineering. Butterworth Heinemann. 3rd ed.
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By Jimmy Raymond
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