Rain Holds Key to Thirsty Summers

Photo retrieved from: www.gsmroofing.com

“BANGALORE: Rainwater harvesting is a win-win situation for all – borewells are full, the quality of water is better and the city gains, declares David Saldanha, a resident of Residency Road.

Faced with dipping water level in the two borewells in the area in 2010, Saldanha did not throw up his hands. Instead, he opted for rainwater harvesting to recharge the borewells. Estimating the annual rainfall in Bangalore at 1,000 mm, he says he is able to harvest 1 million litres of rainwater annually and also breathe life back into the borewells.

“The water level in the two borewells ran lower than 100 metres deep, and the yield was low. The advantage is continuous water supply and les power consumption to pump up water. I’m thrilled with the result. The water yield has gone up and its quality is much better too,” says Saldanha.

Saldanha’s success story deserves to be emulated across the city, especially with the monsoon around the corner. Experts say one-third of the city’s water demand can be met through RWH.

Experts term rainwater harvesting one of the best ways of conservation, more so at a time when Bangalore faces acute water scarcity. Harvesting in urban areas is the process of collecting, filtering and using rainwater which falls on roofs and on porticos, and is channeled in three ways: recharging borewells, replenishing groundwater and collecting rainwater for re-use later.”

Read more: Times of India

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