Originally reported and written in July 2022, this story has been republished as part of our archival content.

Mumbai- native Chetan Soorenji lives in an area where there was one borewell for three houses. With the passage of time, the number of houses increased, and so did the number of borewells. Initially, the depth of a borewell was 30 feet but soon it grew to 80-100 feet.

“Even the borewell in my house was 100 feet deep. But during summer, we faced water scarcity. The situation was similar to each of the residents in our area,” says Chetan, who is an employee with a multinational company.

“When the borewell was just 30 feet deep, the water tasted so good. But as the depth increased, the water started to taste saline. Also, the plumbing frequently got damaged due to the poor water quality. That was when we decided to do something about it,” he adds.

Chetan thought of many ways to solve this issue and ended up in installing a rainwater harvester and borewell recharging system.

His research about decreasing salinity of water led to the realisation that it can be controlled through........

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