Chennai Residents Nail Rainwater Harvesting, Collect 1,00,000 Litres Over 3 Hours!Rain Water HarvestingBy Lekshmi Priya S05 Nov 2018 12:46 ISTAccording to the residents, the harvesting facility has considerably reduced their dependence on Chennai Metrowater, and they even put the excess water from the sump to use by letting it out to soak pits using valves.Read More