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Drought, Pollution and Johor's Growing Water Needs

Singapore has depended on water imports from neighbouring catchments in Johor, Malaysia since its founding. Despite long-standing cooperation, economic, environmental, and political forces are destabilizing cross-strait water flows. Johor has historically been water-abundant, but increased water consumption from economic development and population growth in combination with water stresses from drought and pollution have reduced its dry season water catchments. Johor has taken recent far-reaching measures including requesting additional water supply from Singapore, rationing supply to residential and commercial users, and requesting RM660 million in federal support for construction of a new dam at Sungai Ulu Sedili, and there appears to be bilateral support for continuing the Singapore-Malaysia water trade. However, water stress in Johor risks undermining the bedrock of the relationship, and creates the need for redoubled regulatory diligence and clear-minded diplomacy by authorities in Johor, Singapore, and Kuala Lumpur.