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Ministry of Sustainability and the Environment
Parliament Q&A

Oral Reply to Parliamentary Question on Water supply planning

7 May 2026

Oral Reply to Parliamentary Question on water supply planning by Ms Grace Fu, Minister for Sustainability and the Environment.

Question:

Ms He Ting Ru: To ask the Minister for Sustainability and the Environment with rising water demands from data centres, urban expansion, and climate variability affecting local reservoirs (a) what is the latest assessment of Singapore's water insecurity risks, particularly ahead of the 2061 Johor Water Agreement expiry; and (b) what accelerated measures are being planned to ensure the Four National Taps meet future needs without compromising food production or household supply.

Answer:

Singapore has diversified our water supply through the Four National Taps. This includes desalinated water and NEWater, which are weather-resilient sources that strengthen our water security amidst the effects of climate change. PUB continues to plan ahead and invest in water infrastructure to meet future demand, taking into account economic and population growth as well as the impact of climate change.

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