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Resource centre on India's rural distress
 
 

Why Chennai’s Flooding Problem Won’t Be Solved for Another 10 Years -Raj Bhagat Palanichamy

-TheWire.in

Many parts of Chennai have been inundated after heavy rains – up to 22 cm – last night. The city, like all others in India, faces a wide range of issues and is unlikely to solve any of its problems related to urban flooding within the next 10 years. Many parts of Chennai have been inundated after heavy rains – up to 22 cm – last night. The city, like all others in India, faces a wide range of issues and is unlikely to solve any of its problems related to urban flooding within the next 10 years.

Here’s why.

The Chennai Metropolitan Region, in particular the part of the city managed by the corporation, has relatively flat terrain and is very close to sea-level. Agricultural activity in the region required, and prompted, the construction of thousands of large yet shallow lakes.

Over the years the city grew in size and many places, like South Chennai (marked below), expanded into low-lying areas and wetlands. The latter are closer to the sea level, meaning water that accumulates here also tends to stagnate. The map shows the expansion of the built-up area.

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