Singapore - Catching Every Drop of Rain
The source of the map of the rivers of Singapore is the Singapore PUB
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)
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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