CHENNAI: While homeowners and residents associations across the city are busy squabbling and haggling with water suppliers, ever since an acute shortage in supply began this summer, those living in an apartment complex in Kazhipattur have been able to keep away from this these troubles.

The 160 families residing at Akshaya Adora have not bought water in the last two years. Instead, they put together a robust water harvesting and recycling system that takes care of all their needs. Water drawn from borewells and an open well at their premises is recycled, eliminating the question of shortage.

Close to 1.5 lakh litres of water used by the residents on daily basis gets treated and harvested.

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http://www.newindianexpress.com/good-news/2019/jul/20/how-one-apartment-in-chennai-beat-water-crisis-2006540.html

Groundwater over-extraction, waterway degradation, and urban flooding are forcing China’s cities to address a vicious cycle. Sprawling urban development and use of impervious material prevent soil from absorbing rainwater, prompting further investment in infrastructures that typically impede natural processes and worsen flood impacts.

China’s “sponge city initiative” aims to arrest this cycle through the use of permeable surfaces and green infrastructures. However…….

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https://www.downtoearth.org.in/news/water/throwback-how-china-s-sponge-cities-aim-to-re-use-70-of-rainwater-65399