Western Water Catchment

The Western Water Catchment (Chinese: 西部集水区; Malay: Tadahan Air Bagian Barat; Tamil: மேற்கத்திய நீர் நீர்ப்பிடிப்பு) is a planning area located in the West Region of Singapore. The planning area borders Tuas and Tuas to its south, Sungei Kadut, Choa Chu Kang and Tengah to its east, Jurong West to its southeast, Lim Chu Kang to its north and the Straits of Johor to its west.

The area currently houses four reservoirs, Tengeh Reservoir, Poyan Reservoir, Murai Reservoir and Sarimbun Reservoir. The Western Water Catchment is also a live-firing area in which it is used by the Singapore Armed Forces for training purposes. It is also a restricted area in which it is out of bounds to all members in the public except for military personnel from Pasir Laba Camp (South) and Sungei Gedong Camp (North).

The SAFTI Live Firing Area commenced operations in 1968 and was revamped in 2008, the eastern part was started in 2002 had been extended to Lim Chu Kang Tracks 11 and 13, but it has been unnamed, could be named 'Murai North'.

In future, it will be redeveloped into HDB estate cum forest park/Green Corridor, replacing Pulau Tekong as it is still for military use, but it is not in Land Use Plan 2030. There are many common names in Western Water Catchment, this includes Bajau, Elephant Hill, Pasir Laba, Poyan, Murai, Sungei Gedong, Poyan North, Wrexham and Sarimbun.

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