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RAINWATER HARVESTING |
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by Neha Swaminathan | 23-02-2013 15:08
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Rainwater Harvesting is a way of saving the rainwater which would normally flow off down the drain. The collected rainwater can be used for flushing toilets, watering plants, floor and car washing etc instead of using potable or drinking water.
Implementing rainwater harvesting helps reduce use of existing water supply as well as reducing run-off, erosion, and contamination of surface water. For rain water harvesting, a storage tank is fitted to roof drain pipes, and the water flowing down the drains is fed through a filter to remove leaves and other matter. The storage tank can be placed under ground from where it can be pumped around. It is fairly simple to setup and can be used in homes, offices, commercial places, hospitals etc.
Rainwater harvesting has been in practice even from ancient civilizations.
In ancient Tamil Nadu (India), rainwater harvesting was done by Chola kings. Rainwater from the Brihadeeswarar temple was collected in Sivaganga tank. In modern times, this is practiced across the world in many countries
In India, rain water harvesting was first introduced by Andhra Pradesh, however got neglected later. In the state of Tamil Nadu, rainwater harvesting was made compulsory for every building to avoid ground water depletion. Within 5 years, this has shown remarkable results in raising ground water levels by 50% and many other states in India took it as role model. The water quality also improved very much.
This year's World Water Day Slogan runs '"Water, Water Everywhere, only if we share'". Yes Water will be there only if we share the available water and if we are to save it using such techniques like Rainwater harvesting. It should be adopted everywhere to save precious water and reduce demands on drinking water. |
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28 Comments
Thank you for sharing.
Posted 29-08-2013 18:42
Oh, Tamil Nadu's policy can be a good example for underground water protection.
Thank you Neha, it's really informative :D
Posted 25-02-2013 09:23
Nice article on Rainwater harvesting :) We can install this system at our schools , colleges and even our home. :) It's easy to install this system !
Posted 25-02-2013 06:01
Thank you Pratap, Yes it can be used for drinking if it is filtered or captured without any contaminants
Posted 25-02-2013 00:07
Thank you Unmesh and Saad
Posted 25-02-2013 00:06
I remember reading about this as a part of a course last semester. Always found this concept very feasible in terms of being implemented in South-East Asia.
Very informative article :)
Posted 24-02-2013 21:23
I guess depending upon the source and using appropriate treatment mechanism rainwater can also be used for drinking...
Posted 24-02-2013 20:59
water conservation and reduce the wastage are the key..thx for the report
Posted 24-02-2013 18:13
Thank you Guru, Yes Water is precious and we have to curtail wastage at all times.
Posted 24-02-2013 18:12
Thank you Dharmendra
Posted 24-02-2013 18:11
it is in our hands to save water
Posted 24-02-2013 17:44
water is precious
Posted 24-02-2013 17:44
Thnx 4 the report..
Posted 24-02-2013 15:33
Nice one...
Posted 24-02-2013 15:32
Jainil Shah, Thank you, I wish it is adopted in every building and everyplace which can be a catchment place for collecting rainwater
Posted 24-02-2013 03:46
Thank you Geetika
Posted 24-02-2013 03:45
This is fabulous!! Wish more and more people come to know of it!
Posted 24-02-2013 03:24
Nice article. informative .. well written !
Posted 24-02-2013 01:30
Thank you Raunaq
Posted 23-02-2013 21:29
Thank you Naylee, good luck for your system at school
Posted 23-02-2013 21:28
Thank you Kehkashan, Simran, Firas and Hoang
Posted 23-02-2013 21:24
NIce report
Posted 23-02-2013 21:13
Very interested topic!
Posted 23-02-2013 21:02
Nice one .
Posted 23-02-2013 20:16
Nice Concept
Posted 23-02-2013 19:19
Cool topic! It's interesting to know that rain harvesting was in action since ancient times :D
Posted 23-02-2013 18:14
Nice article. Am planning to install a rain water harvesting system at my school!
Posted 23-02-2013 18:08
Good topic and well written.
Posted 23-02-2013 16:52