SIGMA Foundation made a significant mark in International Chapters of Water Research in LET2019- 16th IWA Leading Edge Conference on Water and Waste Water Technologies in Edinburgh, United Kingdom. Significantly, new critical water technology developments are emerging continuously and we all know about the importance to keep in exchange on latest research, to keep the momentum vibrant. Bringing innovations, novel technology developments and leading-edge applications from access the industry was the key concern. The program was focused on the issues, which are of highest concern globally and regionally. The conference embraced this concern with the careful development of each session to create cohesive and interesting discussions on innovative of the most impactful water technology approaches and guarantee the participation of the most significant water technology leaders and specialists of the water industry. This 2019 LET gave us the platform to share and debate with leading researchers in pioneering science, technological innovation and top practices that will provide solutions the emerging water challenges the world is facing.