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For water, used water
and drainage matters

  Local Catchment Water

The 1st National Tap

As a small island that doesn't have natural aquifers and lakes and with little land to collect rainwater, Singapore needs to maximise whatever water 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. Combined with Marina Reservoir which has the most urbanized catchment of 10,000 hectares, Punggol and Serangoon Reservoirs will increase the water catchment areas from half to two-thirds of Singapore's land area.

 

 


Reservoirs

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

Rivers

Sg Jurong Sg Pandan
Sg Ulu Pandan Sg Peng Siang
Sg Tengah Sg Kangkar
Singapore River Kallang River
Rochor River Geyland River
Sg Bedok Sg Changi
Sg Selarang Sg Loyang
Sg Tampines Sg Api Api
Sg Serangoon Sg Pinang
Sg Tong Kang Sg Punggol
Sg Seletar Sg Seletar Simpang
Sg Khatib Bongsu Sg Sembawang
Sg China Sg Mandai
Sg Mandai Kechi