Chennai’s October 2026 rain caused waterlogging again. See how rainwater harvesting in Chennai holds back roof runoff and stores clean water.

Chennai’s October 2026 rain caused waterlogging again. See how rainwater harvesting in Chennai holds back roof runoff and stores clean water.

Chennai declared Day Zero in 2019 when all 4 reservoirs ran dry. In Summer 2026, the city still faces a 713 MLD water deficit. Discover how rooftop rainwater harvesting with WISY filters can recharge Chennai’s groundwater and protect your home.