Singapore - Catching Every Drop of Rain

Singapore - Catching Every Drop of Rain

The source of the map of the rivers of Singapore is the Singapore PUB

As a small island that doesn't have natural aquifers and lakes and with little land to collect rainwater, Singapore needs to maximize whatever it can harvest.

Currently, Singapore uses two separate systems to collect rainwater and used water. Rainwater is collected through a comprehensive network of drains, canals, rivers and stormwater collection ponds before it is channelled to Singapore's 17 reservoirs for storage. This makes Singapore one of the few countries in the world to harvest urban stormwater on a large scale for its water supply.

The newest reservoirs are Punggol and Serangoon Reservoirs which are our 16th and 17th reservoirs. By 2011, the water catchment area has increased from half to two-thirds of Singapore’s land surface with the completion of the Marina, Punggol and Serangoon reservoirs.

With all the major estuaries already dammed to create reservoirs, PUB aims to harness water from the remaining streams and rivulets near the shoreline using technology that can treat water of varying salinity. This will boost Singapore’s water catchment area to 90% by 2060,

The goal is to capture every drop of rain (Figure 1)

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Reservoirs
Pandan Reservoir Kranji Reservoir
Jurong Lake Reservoir MacRitchie Reservoir
Upper Peirce Reservoir Lower Peirce Reservoir
Bedok Reservoir Upper Seletar Reservoir
Lower Seletar Reservoir Poyan Reservoir
Murai Reservoir Tengeh Reservoir
Sarimbun Reservoir Pulau Tekong Reservoir
Marina Reservoir Serangoon Reservoir
Punggol Reservoir



Rivers
Singapore River Sungei Kallang
Rochor River Sungei Whampoa
Geylang River Sungei Bedok
Sungei Ketapang Sungei Changi
Sungei Selarang Sungei Loyang
Sungei Tampines Sungei Api Api
Sungei Blukar Sungei Serangoon
Sungei Punggol Sungei Tongkang
Sungei Pinang Sungei Seletar
Sungei Khatib Bongsu Sungei Seletar Simpang Kiri
Sungei Sembawang Sungei Mandai
Sungei China Sungei Mandai Kechil
Sungei Peng Siang Sungei Tengah
Sungei Kangkar Sungei Buloh Besar
Sungei Jurong Sungei Lanchar
Sungei Pandan Sungei Ulu Pandan



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