What is Rainwater Harvesting (RWH)?
“Capture rain water, store it and use it – it is as simple as that”. “Collect the rain water falling on house Roof tops, collection ponds, lakes, open areas with natural grading. Rain water is naturally pure (except due to industrial pollution it becomes acid rain). Ground water could be saline.” Water requirements and Usage by a family. (in India) Biggest usage takes place while flushing the toilet with pure drinking water, Gardening, Vehicle Servicing,etc. Water Usage in the Urban City WHY IT IS REQUIRED • To meet ever increasing demand for water in urban area. • To reduce the runoff, which is choking the storm drains. • To avoid the flooding of roads. • To augment the ground water • To reduce the ground water pollution. • To improve the quality of ground water. Benefits of rainwater harvesting • Can supplement other sources of water supply such as groundwater or municipal water connections • Ability to build or farm in areas with no other water supply • High quality water – pure, fr
