Singapore International Water Week (SIWW)

Published: 21 March 2024

The Singapore International Water Week (SIWW) is a premier global event for sharing and co-creating innovative solutions in water, coastal, and flood management to address urban water and climate challenges. Organised by the Public Utilities Board (PUB), Singapore's National Water Agency and Coastal Protection Agency, SIWW serves as a key platform to accelerate climate action, making a substantial impact on water conservation, environmental, and sustainability issues.

Singapore International Water Week

The biennial event comprised flagship programmes including the Lee Kuan Yew Water Prize (LKYWP), Water Leaders Summit, Utilities CEO Roundtable, Water Convention, Water Expo, Coastal and Flood Resilience Leaders Summit and Coastal and Flood Resilience Cities Roundtable. LKYWP, named after the late first Prime Minister of Singapore, recognises exceptional contributions towards solving global water challenges. Meanwhile, the Roundtable exclusively welcomes CEOs and senior leaders from water utilities, agencies, and cities to engage in candid dialogue and build partnerships for addressing shared challenges.

SIWW also includes thematic and business forums, as well as technical visits. These programmes bring together a diverse range of stakeholders to exchange best practices, exhibit state-of-the-art technologies, and explore business opportunities in the world of water conservation and sustainability. As a trusted global-Asia node with a vibrant business community, Singapore is uniquely positioned to host such international events, facilitating meaningful business matchings, knowledge exchange, and collaborations for positive long-term impact.

Where thought leaders and innovators connect

The last edition of SIWW took place from 17 to 21 April 2022 at the Sands Expo & Convention Centre. Together with the co-located CleanEnviro Summit Singapore (CESG) organised by Singapore’s National Environment Agency, SIWW attracted over 11,000 trade visitors from 65 countries and regions.

The event featured a robust programme of 86 sessions across five action-packed days, with discussions to spur innovation and share sustainable solutions and best practices for the entire urban water cycle. SIWW is testament to Singapore’s status as a global innovation and technology hub, and a launchpad for cutting-edge water solutions. This is exemplified by the Water Expo, the pre-eminent marketplace for the international urban water, flood management and coastal protection community to convene and explore business opportunities. Together with the Environment Expo, the 2022 version featured over 300 local and international exhibitors, including 13 country and thematic pavilions. Trade visitors had the opportunity to discover the latest state-of-the-art solutions, technologies, products and services for cities, utilities and industry in Asia.

Singapore International Water Week

“SIWW2022 is proud to have returned as Asia’s first large-scale water show since the pandemic, bringing together the world’s brightest minds to conduct meaningful conversations and developments to galvanise the international water community into accelerating climate mitigation and adaptation efforts,” said Ryan Yuen, Managing Director of Singapore International Water Week. “The active participation of international businesses at the Water Expo further underscores the importance of SIWW as a platform for the co-creation of innovative and scalable solutions for urban water challenges.”

A platform for climate action

Beyond enabling discourse and showcasing innovations, SIWW also catalyses significant initiatives and public-private partnerships. These collaborations go a long way in driving climate resilience, advancing sustainability, and creating potential environmental business opportunities in Singapore and beyond.

Singapore International Water Week

Singapore’s Minister for Sustainability and the Environment, Grace Fu, officiated SIWW 2022 as the guest-of-honour. She highlighted the importance of global collaboration and innovation in addressing climate change in her opening address, emphasising Singapore's commitment to climate action and sustainability through the Singapore Green Plan. At SIWW’s Water Expo, Ms Fu officiated the launch of the RSK Centre for Sustainability, which will consolidate the services of 130 environment businesses to deliver practical solutions and meet the region’s growing demand for sustainability services.

SIWW 2022 also saw the opening of the Jurong Island Desalination Plant, marking a crucial advancement in Singapore's journey towards water sustainability and enhanced water security. In addition, numerous Memoranda of Understanding (MOUs) were inked, including signings between the Singapore Water Association (SWA) and various public and private organisations to foster partnerships and facilitate a deeper exchange of knowledge within the water industry. One of the most notable MOU signings was between ZWEEC Analytics, IONI Water, and partners from China and India. Totalling about S$75 million, the agreement aimed to provide access to safe drinking water and water ecological environment monitoring in the Yangtze River Basin.

As a meeting place for key stakeholders and water industry professionals, SIWW 2022 also facilitated discussions on business opportunities worth approximately S$45 billion. Their focus areas included waste management, cleaning robotics, and climate risk mitigation, highlighting the potential for lucrative ventures and strategic collaborations in these critical sectors.

Singapore International Water Week

Another highlight of SIWW 2022 was the presentation of the Lee Kuan Yew Water Prize, with Professor Kazuo Yamamoto honored as the 2020 recipient. He was recognised for his groundbreaking invention of the submerged Membrane Bioreactor (MBR) technology in 1988, which helped raise the efficiency of NEWater production in Singapore. By joining this esteemed group of laureates, Professor Yamamoto's work is celebrated alongside other innovative water solutions that have benefitted the lives of millions. This distinction underscores the Prize's role as a vital collaborative platform, promoting the exchange of effective solutions and best practices to tackle urban water challenges worldwide.

Shining a spotlight on water challenges

SIWW's impact continued with SIWW Spotlight, a by-invitation summit held from 4 to 6 June 2023. Themed "Urgent Climate Action for a Sustainable Water Future," SIWW Spotlight 2023 featured a closed-door roundtable for utility CEOs, industry plenaries, workshops, and networking events. It brought together 340 leaders from utilities, cities, and the water industry to drive impactful exchanges and forge partnerships for collective action.

At the event, Ms Fu announced enhancements to Singapore’s Water Efficiency Fund, whereby PUB will raise its funding for water recycling projects to a maximum of $5 million from July 1, up from $1 million. This increased funding will enable businesses to undertake bigger and more ambitious water conservation projects, driving positive long-term impact towards achieving Singapore’s sustainability goals.

Driving sustainable change

Singapore International Water Week

The resounding message from leaders at SIWW was crystal clear: urgent and collective action is imperative to address the challenges posed by climate change. Events like SIWW play a crucial role in uniting the industry, fostering knowledge exchange, and expediting efforts towards accomplishing sustainability goals.

Singapore's strategic role as a gateway to Asia, coupled with its leadership position in water technology, sustainable urban planning, and water management, exemplifies its unique capacity to connect global talents and thought leaders. This synergy drives meaningful, impact-focused solutions for the international water sector, showcasing Singapore's critical contribution to advancing global water sustainability.

SIWW will return for its 10th edition on 18 to 22 June 2024 at the Sands Expo and Convention Centre, alongside CleanEnviro Summit Singapore. It will feature key themes such as climate mitigation, water sustainability, net zero and decarbonisation, resource circularity, digitalisation, and a new pillar on climate adaptation across the SIWW flagship programmes.

Key Event Facts


trade visitors from 65 countries and regions



exhibitors at the Water Expo and Environment Expo


country and thematic pavilions


sessions covering the entire urban water cycle