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SINGAPORE – Photos of the high water levels at Bishan-Ang Mo Kio Park have led some netizens to assume that it is flooded, but the park is working exactly as expected, with a channel that channels rainwater downstream.
The rise in water levels comes from the torrential rains of the past few days, but this is part of the normal operation of the park’s waterway. A stream running through the park is part of the Kallang River, but it is also a naturalized channel designed to accommodate “fluctuating water levels” that can rise up to 3m.
According to information on the National Parks Board (NParks) website, there are visible safety features in the park to ensure members of the public are aware of impending high water levels.
“A river monitoring system with water level sensors has been implemented to provide early warning in case of impending heavy rains or rising water levels. Warning signs, red markers, life buoys and CCTV have also been placed. along the river, “the website says.
The remodeling of the waterway from 2009 to 2012 was a joint collaboration between the national water agency PUB and NParks under the Active, Beautiful and Clean Waters (ABC) Program.
According to the PUB website, the riverbed was designed based on a floodplain concept and is linked to a network of drains in the city. A floodplain is an area of land adjacent to a stream or river that fills with water during periods of high discharge.
During dry weather, the flow of water is limited to a narrow stream in the middle of the river.
In the event of a storm, the area of the adjacent park doubles as a transport canal, gradually carrying rainwater downstream.
The naturalization of the Kallang River has both functional and aesthetic purposes.
“Under the ABC Waters Program, a combination of plants, natural materials such as rocks, and civil engineering techniques were introduced to smooth the edges of the waterway, give it a natural appearance and prevent soil erosion,” says the website PUB.
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