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The National Water Supply and Drainage Board is proud to invite you to the 2026 IWA International Water Safety Conference and Exhibition (IWA–WSCE), to be held in Ratmalana, Sri Lanka, following the resounding success of the 2024 conference in Toronto, Canada.

Dates
23 Mar 2026 - 25 Mar 2026
Sri Lanka
RatmalanaThis prestigious event will convene leading global experts from academia, industry, government, regulatory bodies, and international organizations to share, exchange, and critically explore cutting-edge research and practical solutions in water safety. Key focus areas will include:
The conference aims to foster dialogue and collaboration among stakeholders committed to delivering safe and sustainable drinking water.
Since the formation of the IWA Water Safety Planning Specialist Group (SG), one of our core missions has been to sustain and grow this important series of conferences. We are honored to be part of the organization and promotion of this global event.
We warmly welcome your participation and encourage you to join us in Ratmalana for vibrant discussions, networking, and knowledge exchange with professionals from around the world.
As the globally recognized best practice for ensuring the safety and reliability of drinking water supplies, Water Safety Plans (WSPs) play a vital role in protecting public health. In these uncertain times, sharing experiences and lessons learned is more crucial than ever. The 2026 IWA–WSCE will place special emphasis on recent advancements and innovations in water safety planning.
We look forward to your presence at this landmark event
| D.V. Medawatta | Addl. GM - CAM, NWSDB | Sri Lanka |
| Rui Sancho | Co-chair | Portugal |
| Philip de Souza | ATOM Consulting | Australia |
| Asoka Jayaratne | Yarra Valley Wate | Australia |
| Prof. Thomas Patterson | Charmers University | Sweden |
| Temple Oraeki | WASH | Nigeria |
| Rory Moses McKeown | WHO Consultant | Ireland |
| Prof. J. M. A. Manatunga | University of Moratuwa | Sri Lanka |
| Prof. Nadeeshani Nanayakkara | University of Peradeniya | Sri Lanka |
| Prof. G.G Tushara Chaminda | University of Ruhuna | Sri Lanka |
| Prof. Wei | Chinese Academy of Sciences | China |
| Dr. S. K. Weragoda. PhD | WSP, NWSDB | Sri Lanka |
| Dr. Madhubhashini Makehelwala, PhD | China Sri Lanka Joint Research and Demonstration Center for Water Technology | Sri Lanka |
| Eng. Dhanesh Gunatilleke | Water Reclamation Specialist | Sri Lanka |
| Eng. D. S. D. Jayasiriwardhana | UNDP/ Snr. WSP Auditor (IESL) | Sri Lanka |
| Eng. D M B T B Dissanayake | CE-WR | Sri Lanka |
| Eng. M.T.A. Bawa | AGM-EWR, NWSDB | Sri Lanka |
| Eng. E.P. Rajapakshe | AGM-R&D, NWSDB | Sri Lanka |
| Prof HU Chengzhi | Deputy Director of Research Center for Eco-Environmental Sciences, CAS | China |
| Dr. Santanu Rath | Director of Odisha Urban Academy | India |
| Prof Min Yang | Professor, Research Center for Eco-Environmental Sciences, CAS | China |
| Dr. Nandakumar E. | International Center for Clean Water | India |
| Indrajith Udaya Kumara | UNICEF | Sri Lanka |
| Vajira Thiranagama | National Water Supply & Drainage Board | Sri Lanka |
| T K N K Kumari | National Water Supply & Drainage Board | Sri Lanka |
| Wasantha Gunawardhena | National Water Supply & Drainage Board | Sri Lanka |