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Frequently Asked Questions

Drainage Planning

​​PUB takes several factors such as the degree or type of development, catchment area, cost effectiveness, competing land use and rainfall intensity into consideration when designing drains and canals.

​​Click here​​ for FAQs on drainage planning in Singapore.

Flash Floods

​​PUB takes every flash flood incident seriously and assesses the cause of any flash flood. Where necessary, PUB works with other agencies to improve the drainage system or raise road levels to reduce the risk of flash floods recurring. PUB also engages building owners on appropriate flood protection measures to protect their developments.

Click here​ for FAQs on flash floods in Singapore​.