Observers have urged the authorities to double down on flood control measures to ensure the Indonesian capital continues to be a magnet for investments and a liveable space for residents.
File: A man wades through the water during a tidal flood at the Muara Angke Port in Jakarta , Indonesia , Tuesday, Nov. 9, 2021. Rising sea levels and rapid land subsidence due to over-extraction of groundwater have caused the capital city to sink at an average of 10 centimeters a year, making it one of the world's fastest sinking cities.
These are catchment areas designed to hold excess water from the Ciliwung river to mitigate downstream flooding. When there is prolonged intense rainfall upstream, the water level in the dam rises and is retained temporarily. “When the water level in this dam rises above the tunnel, damming occurs. There is restriction on discharge flowing downstream.”
Highlighting various challenges, Jakarta Water Resources Department acting secretary Hendri said: “There is the problem of 'girik' , there is the problem of double certificates, there is the problem that residents don't want the land to be taken away. Urban planning expert Nirwono Joga from the Trisakti University said other rivers in Jakarta also need to be normalised to overcome the perennial flooding.
Hydropower energy production has been the country’s most significant contributor of renewable energy. The plant uses water from the Jatigede dam, the second biggest in Indonesia, and will support the electricity grid between Java and Bali. There are plans to install floating solar power panels to complement the hydroelectric power already generated by the dam.
The reservoir supplies 3.5 cubic metres per second of drinking water to meet the needs of over 600,000 residents in the surrounding areas.Water from the dam is able to irrigate over 90,000ha of farmland in three regencies - Majalengka, Cirebon and Indramayu.
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