Doing Rainwater Harvesting: FAQs | Centre for Science and Environment


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.
  • Increases groundwater availability through recharge mechanisms.
  • Reduces stormwater runoff thus preventing flooding and overloading of sewage treatment plants in cities.

2. Who else is doing it?
RWH is being successfully implemented by many, click here to learn more.
3. How much will it cost and what are the parameters that affect the cost?
The cost depends on various parameters, click here to find out more.
4. What is the payback?
Click here to find out.
5. Which is more economical storage or recharge?
Click here to find out.
6. What kind of technical assistance can I get?
Get in touch with the Central Ground Water Board of your respective city or click here for list of implementers who can do it for you.
7. What will be the quality of water?
Click here to find out
8. What are the laws and policy regarding RHW?
Click here to find out
9. Are there any incentives available from the government?
Click here to find out
10. Does it require a lot of maintenance?
Once or twice a year at very little cost. Click here to find out.

Announcements

  • The increase in urbanisation has led to increase in the fresh water demand along with wastewater generation. The current water crisis is attributed to mismanagement of water resources and emphasis on the energy as well as resource intensive centralised urban water management. Need is, for the practitioners and user communities, to implement sustainable and affordable decentralised water management practices. This short term five day course will focus on – designing rainwater harvesting (RWH) and decentralised wastewater treatment (DWWT) systems including local reuse.

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