Free Downloads

There are some of the few free downloads available for water professionals in their daily strive for seeking solution to specific problems in form of independent program, utilities, Excel worksheets, Guides etc.


  • You are advised to go through instructions before using these freebies. Instructions are provided in individual document.
  • Most of these freebies are having macros for which you are advised to enable macros.
  • The freebies are provided “AS IS”, without warranty of any kind, express or implied, including but not limited to the warranties of merchantability, fitness for a particular purpose and non infringement. In no event shall the authors or copyright holders be liable for any claim, damage or other liability, whether in an action of contract, tort or otherwise, arising from, out of or in connection with the software or the use or other dealings in the software.

jsWater OptMain

jsWater OptMain ver 1.0.1

An Excel Worksheet for design of most economical rising main/pumping main

  • Single Screen interface displaying inputs & results
  • Facility of using both friction formula i.e. Hazen Williams and Modified Hazen William
  • Sensitivity Analysis by providing cost factors for pipeline, pumps and energy
  • Graphical presentation of component costs for different diameters
  • Auto Highlighting of Most economic diameter in results
Download OptMain.xls2049 downloads
Note: Enable Macros while opening the workbook

jsWater CSH

jsWater CSH

An Excel Worksheet for calculation of hydraulic parameters for circular sewers with partial full conditions under gravity flow

  • Graph showing variation in v/V,a/A and q/Q with flow depth
  • Visualise flow depth through Graphic Objects
  • Calculate flow parameters like a/A, v/V and q/Q
  • Calculate Flow and Velocity for full flow conditions and actual flow conditions
Note: Enable Macros while opening the workbook


jsWater PolylineOnLayerLength

An Excel Worksheet with AutoCad Macro for calculating length of all polylines on a particular layer of AutoCad file. Could be used for calculating lengths of Roads, Drains, Pipelines etc.

  • Calculate polyline lengths and number of polylines on a particular layer
  • Simple interface for calculating polyline lengths
  • Tested on AutoCad 2006 and 2008
  • Possibly work on all AutoCad versions
Note: Enable Macros while opening the workbook
jsWater HW

jsWater HW

Innovative Excel Worksheet for calculating various hydraulic parameters using Hazen Williams formula

  • Calculate head loss for given flow, diameter & friction coefficient
  • Calculate Diameter for given flow, friction coefficient & head loss
  • Calculate flow for given head loss, friction coefficient & diameter
  • Calculate friction coefficient for given flow, diameter & head loss
  • Provided various units for different parameters
Note: Enable Macros while opening the workbook

UNDP LOOP Software

UNDP LOOP Software

This software is widely used in India for design and simulation of water supply networks. The development of this software was sponsored by UNDP. Download the zip file provided below and copy the loop folder in C:\ drive to use it. We are shortly bringing out a detailed guide for using this software.

UNDP Loop Software2381 downloads