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.
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.
Published by RPV Wisy | Authorised Distributor of WISY Germany Rainwater Filters | Erode, Tamil Nadu Introduction — India’s Most Ambitious Water Law Started Right Here Tamil Nadu didn’t wait for a national directive. It didn’t wait for groundwater to disappear completely. In 2001 — more than two decades before most Indian states even began […]
Is your rainwater harvesting filter ready for the monsoon? Discover 7 must-do precautions for old sand-gravel filters & why WISY vortex filters need almost zero prep. Expert guide by RPV Wisy, Erode.