Tihar Jail's Rainwater Harvesting System
RAINWATER AVAILABLE FOR HARVESTING Total area (Ward 1 and Ward 13): 4125 square meters (Sq m) Average annual rainfall in Delhi: 611 millimeters (mm) Total volume of water harvested: 1280 cubic meter (m³) or 12,80,000 litres This represents 50.78 per cent of total rainwater harvesting potential.