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Significance of Marina Barrage
Monday, February 28, 2011 | 7:09 AM






Flood Control
The Marina Barrage is part of a comprehensive flood control scheme to alleviate flooding in the low-lying areas in the city such as Chinatown, Boat Quay, Jalan Besar and Geylang. During heavy rains, the series of the nine crest gates at the dam will be activated to release excess storm water into the sea when the tide is low. In the case of high tide, giant pumps which are capable of pumping an Olympics-size swimming pool per minute will drain excess storm water into the sea.




Water Supply
The Marina Barrage is a dam built across the 350-metre wide Marina Channel to keep out seawater, forming Singapore’s first reservoir in the city and 15th reservoir. Marina Reservoir combines with the future Punggol and Serangoon reservoirs will increase Singapore’s water catchment areas from half to two-thirds of Singapore’s land areas.
On 20 November 2010, the Marina Reservoir was commissioned by Minister Mentor Lee Kuan Yew as a freshwater reservoir, augmenting Singapore’s water supply for generations to come. Desalting had begun in April 2009 through natural replacement by rainwater.
Local catchment water is one of the Four National Taps, with the other three being imported water, new water and desalinated water.
As one of the pillars of local water supply, Marina Reservoir will meet more than 10% of Singapore’s current water demand.




Lifestyle Attraction
As the water in the Marina Basin is unaffected by the tides, its water level will be kept constant all year round. This is ideal for all kinds of recreational activities such as boating, windsurfing, kayaking and dragonboating etc.