As the fifth event NWSDB in collaboration with International Water Association (IWA) organized the IWA Water and Development Congress & Exhibition 2019 at BMICH, Colombo from 1st to 5th December 2019. This event was a five-day program under the theme ‘Sustainable Solutions for Emerging Economies. There were workshops, technical sessions, business forums, technical tours, and symposiums during the event. Six keynote speeches were delivered by Mr. Doulaye Kone, Ms. Rosie Wheen, Dr. Pay Drechsel, Ms. Madhu Krishna, Dr. Silver Mugisha, and Dr. Valerie Naidoo.
Due to the Covid-19 pandemic, Research and Development Symposium was not organized in the year 2020. However, in the year 2021, NWSDB organized its seventh Research Symposium at the newly established Centre of Innovation belongs to the Center of Excellence for Water and Sanitation (cewas) at Joint Research and demonstration Center (JRDC), Peradeniya on 19th November 2021. The keynote speaker of the event was Dr. Ravi Fernando and ten research papers were presented at this symposium.
This year, the Seventh Research and Development Symposium has been scheduled to be held on 18th November 2022 at the newly established Centre of Knowledge at Rathmalana. The theme of the event is ‘Water for sustainable development: Cooperation, Partnership, and Appropriate Technology. It has been planned to call for papers from NWSDB as well as local and international water sector institutes.