| Pilot Project Planned: Bishop Cottons Girls High School, Bangalore | |
| Roof Area (square metre) : | 800 |
| Rainfall (millimetres) : | 970 |
| Rainwater Available : | 0.78 million litres |
| Rainwater harvestable : | 0.62 million litres |
| Investment Costs (Rs) : | 25,000 |
| Savings from water harvested (Rs) | 37,200 per year |