Five years of rain water recharge can change the water map!

Underground RWH filter construction in progress
 
A Rainwater Harvesting system was implemented in Vivek Khanna’s residence in Shubh Enclave in early 2009. The system comprised storage of rooftop rainwater in a large 15,000 litre sump as well as two recharge wells of 5ft diameter and 30ft depth. 
 
Newly constructed recharge well in 2009A chance encounter with Vivek Khanna at Kasavanahalli lake today revealed that his sump fills up with water every time it rains, reducing his dependence on ground water. His recharge wells have not only kept his borewell running but also resulted in water in the newly dug borewells of his downstream neighbours (probably because of the recharge) whereas some of the other newly dug borewells in the layout do not yield!
 
His new neighbours are now interested in getting RWH implemented in their homes.
 
The story reiterates the benefits of rainwater harvesting—both storage and recharge. Many thanks to him for sharing this story with us. The relationships between the recharge wells and nearby borewells are tackled by the aquifer mapping project.

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