NEWS – Bangalore Water Supply and Sewerage Board (BWSSB) planning a new community rainwater harvesting policy aiming at filling lakes and recharging groundwater

HIGHLIGHTS

• Objective: Fill lakes and recharge groundwater in the city.
• Proposed project involves installing pipes from buildings within a 500-meter circumference to channel water directly to lakes.
• Initial phase targets Varthur and Bellandur lakes.
• Challenges with current rainwater harvesting implementation due to space constraints.
• Non-compliant buildings contribute to burden on Underground Drainage Systems (UGDs).
• Proposal aims to reduce UGD burden by diverting rainwater to lakes.
• Pipes to be installed at apartment buildings, public spaces, and large buildings.
• Related initiative includes BWSSB’s plan to fill 14 lakes with treated water to improve groundwater levels.
• First phase involved letting treated sewage water into Kengeri lake.