Madhu Bhatnagar of Shriram School, Vasant Vihar, receiving Rs 1 lakh special award for her initiatives in implementing and popularising rainwater harvesting in her school.
RAINWATER AVAILABLE FOR HARVESTING
Total rooftop and surface area 6000 square metres (sq m)
Average annual rainfall in Delhi 611 millimetres (mm)
Total volume of rainwater harvested: 1890 cubic metre (m³), or 18,90,000 litres
WATER SUPPLY SOURCE
RAINWATER HARVESTING SYSTEM
The project was implemented in May 2000. The cost of the entire rainwater harvesting system was Rs 1.25 lakh.
The Sri Ram School is located in the ridge area. The water level in the school premises was 40m below ground level (bgl) in May 2002. After implementing the rainwater harvesting system, water levels rose remarkably. The water level in September 2002 was 35.1m (bgl) while in May 2003 it was 38.1m (bgl). The water level in July 2003 was measured at 33.2m (bgl), representing a total rise of 6.8m, or 22.3 feet.