Lower Seletar Reservoir (Chinese: 实里达蓄水池下段 ; Malay: Takungan Air Seletar Bawah) is a reservoir located in the northeastern part of Singapore, to the east of Yishun New Town. The reservoir has a surface area of 3.6 km², and a capacity of 9.5 million m³. The mean depth of the reservoir is 2 m, with a maximum depth of 5.5 m.