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WB-EasyCalc is a free software tool for NRW (non-revenue water) analysis that helps water utilities and consultants apply the IWA Water Loss Specialist Group Methodology. It began in 2006 and has evolved to WB-EasyCalc 6.17 (August 2021), with downloadable versions and a GitHub repository. The software is maintained by Liemberger & Partners, and donations are appreciated to cover maintenance costs.
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