Rainwater Harvesting | Centre for Science and Environment

Rainwater Harvesting

Doing Rainwater Harvesting: FAQs

1. What is RWH and why should I do it? 
It simply means catching and holding rain where it falls and using it. You can store it in tanks or you can use it to recharge groundwater. Doing RWH has the following benefits:

  • Meet household water needs especially during periods of scarcity. Rainwater is the purest form of water that doesn’t contain impurities like fluoride, arsenic, etc.

Who can do it for you?


Mr. Dunglena
Verdant Ridge,
Aizwal-796012, MIZORAM


200 Azad Society, Polytechnic Road, Ambawadi, 

Centre for Integrated Development
2nd floor, 96, Azad Society
Nehru Nagar, Ahmedabad, 
Email: cfidahmedabad@yahoo.com

Maintenance & Monitoring

Maintenance- the following steps should be adopted to ensure quality of harvested rain water:

Best Practices

Laipuitlang, Aizwal
Laipuitlang is located amidst hilly terrain of Aizwal. The area receives very high rainfall both from the southwest and northeast rainfall. The average annual rainfall of the area is 2049.7 mm and the number of rainy days is 110. The area falls in the high rainfall region of the country. Considering the greater number of rainy days, storage is the best option. Overall there is scarcity of water supply in the region.

Step by Step Process

1. Information collection

A. Types, area and location of catchments

B. Rainfall

C. Geological and Hydrogeological data

D. Water demand

E. Legislation and incentives


Implementation of the Bye-Laws in different States & Cities


• The Kerala Municipality Building Rules, 1999 were amended by a notification dated  January 12, 2004 (Local Self Government Department Notification) issued by the

Government of Kerala to include rainwater harvesting structures in new constructions.  Exemption from this can be granted for cases where water logging is common or in areas with impermeable subsoil conditions to considerable depths.

Who can do it for you?


List of plumbers and masons

 New Delhi

The Shri Ram School's Rainwater Harvesting System

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.


Jamia Hamdard University's Rainwater Harvesting System

Got 1st rank in Institutional category. Mr S. Ahmad, Vice Chancellor, Jamia Hamdard University receiving Rs 2 Lakh award from Chief minister


Janki Devi Memorial College's Rainwaterharvesting System


Got 2nd rank in Institutional category. , Janki Devi Memorial College receiving Rs 1 Lakh award from Chief minister


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