Knowles Engineering Software

Computer Programs for Civil and Environmental Engineers.

ExFilt version 4.1

A program for calculating the total drawdown times for treatment volume in storm water ponds and exfiltration systems.  Unsaturated and saturated flow conditions  are both considered.


ExFiltV4.1 (ExFilt version 4.1) is a program that calculates the drawdown time of water in storm water ponds and exfiltration systems under unsaturated and saturated flow or ground water mounding conditions to provide a total drawdown time for treatment volume in a stormwater treatment facility.  It uses the Simplified Analytical Method to make the calculation for drawdown time under saturated flow conditions.

The program has been reviewed by the St. Johns Water Management District of Florida and added to their list of approved programs.

Download ExFiltV4.1 DemoClick Here to Download ExFiltV4.1 Demo


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