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Page Name: Rainwater harvesting


Posted by: project ideas
Created at: Wednesday 30th of May 2012 06:30:17 AM
Last Edited Or Replied at :Wednesday 30th of May 2012 06:30:17 AM
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ible method for conserving and exploiting the groundwater resources of the Kerala state of India. The dike is now the largest rainwater harvesting system in that region...

Groundwater recharge

Rainwater may also be used for groundwater recharge, where the runoff on the ground is collected and allowed to be absorbed, adding to the groundwater. In the US, rooftop rainwater is collected and stored in sump.

Advantages in urban areas

Rainwater harvesting can ensure an independent water supply during water restrictions, though somewhat dependent on end-use and maintenance..................==> [ Click Here to Read More ]



Page Name: Rainwater harvesting from rooftop catchments


Posted by: project maker
Created at: Tuesday 21st of February 2012 04:55:48 AM
Last Edited Or Replied at :Tuesday 21st of February 2012 04:55:48 AM
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t include:
- A device to indicate the amount of water in the tank
- A sediment trap, tipping bucket, or other foul flush mechanism
- A lock on the tap
- A second sub-surface tank to provide water for livestock, etc.
• The following questions need to be considered in areas where a rainwater cistern system projects is being considered, to establish whether or not rainwater catchment warrants further investigation:
- Is there a real need for an improved water supply?
- Are present water supplies either distant or contaminated, or both?
- Do suitable roofs and/or other catchment su..................==> [ Click Here to Read More ]



Page Name: Safe Water Technologies


Posted by: project report expert
Created at: Monday 27th of June 2011 04:44:18 AM
Last Edited Or Replied at :Monday 27th of June 2011 04:44:18 AM
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en rain first begins to fall, especially at the end of a dry season, roof water should be allowed to run off for 10-15 minutes before collection, to clean the roof. Close to urban areas, and when metal roofs are used, collected rainwater can contain unsafe levels of lead and zinc, and possibly other metals. Typically, collected rainwater contains low levels of bacteria (fecal and total coliform counts average 5-15 and 25-75 per 100 ml, respectively). Water quality testing should be done to ensure that collected water meets relevant standards. In some cases, rainwater may be the safest sourc..................==> [ Click Here to Read More ]



Page Name: RAIN WATER HARVESTING


Posted by: project report expert
Created at: Saturday 18th of June 2011 04:26:09 AM
Last Edited Or Replied at :Tuesday 19th of June 2012 04:24:11 AM
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d in the aquifer.
The subsurface dyke at Krishi Vigyan Kendra, Kannur under Kerala Agricultural University with the support of ICAR, has become an effective method for ground water conservation by means of rain water harvesting technologies. The sub-surface dyke has demonstrated that it is a feasible method for conserving and exploiting the groundwater resources of the Kerala state of India. The dyke is now the largest rainwater harvesting system in that region.
Groundwater recharge
Rainwater may also be used for groundwater recharge, where the runoff on the ground is collected and a..................==> [ Click Here to Read More ]



Page Name: RAINWATER HARVESTING ARTIFICIAL DISCHARGE TO GROUND WATER


Posted by: academic expert
Created at: Monday 18th of April 2011 01:51:20 AM
Last Edited Or Replied at :Thursday 26th of July 2012 11:58:59 PM
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rce gets naturally recharged through percolation. But due to indiscriminate development and rapid urbanization, exposed surface for soil has been reduced drastically with resultant reduction in percolation of rainwater, thereby depleting ground water resource.
Rainwater harvesting refers to collection and storage of rainwater and also other activity such as harvesting surface water extracting ground water, prevention of loss through evaporation and seepage
Why harvest rainwater?
This is perhaps one of the most frequently asked question, as to why one should harvest rainwa..................==> [ Click Here to Read More ]



Page Name: RAINWATER HARVESTING full report and ppt


Posted by: seminar topics maker
Created at: Sunday 06th of February 2011 10:53:13 PM
Last Edited Or Replied at :Friday 14th of September 2012 06:41:50 AM
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e, rainwater may even act as the major potable water source for their population.
The most important issue in collecting rainwater is keeping it free of dirt such as leaves, bird droppings and dead animals, and avoiding contamination with pollutants like heavy metals and dust.
Rainwater can be also treated for use as a potable water source. The use of slow sand filtration has proved to be a simple and effective treatment technology for the elimination of most of the organic and inorganic pollutants that may be present in rainwater, as well as producing a virtually pathogen-free water for d..................==> [ Click Here to Read More ]



Page Name: Rain water harvesting in surrounding areas


Posted by: sharathsingh
Created at: Friday 17th of September 2010 04:46:22 PM
Last Edited Or Replied at :Saturday 18th of September 2010 12:12:46 AM
areas , surrounding, harvesting , water, Rain ,
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Dear sir,...

I am sharath and I am a student, I want more information about rain water harvesting, as I have decided to prepare academic projects report on this topic, so please help me?

Please do the above needful,..

Thank you,.....................==> [ Click Here to Read More ]



Page Name: RAINWATER HARVESTING AND ARTIFICIAL RECHARGE TO GROUND WATER full report


Posted by: best project report maker
Created at: Sunday 07th of February 2010 07:25:01 PM
Last Edited Or Replied at :Friday 23rd of November 2012 05:38:24 AM
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RAINWATER HARVESTING AND ARTIFICIAL RECHARGE TO GROUND WATER


WHAT IS RWH?

RWH refers to collection and storage of rainwater and also other activity such as

harvesting surface water extracting ground water , prevention of loss through

evaporation and seepage


PURPOSES OF RWH

Stored for ready use in containers ground or below ground
Charged into the ground for withdrawal later


BENEFITS OF RWH

Rainwater harvesting prevents flooding of lowlying areas
Rain water harvesting replenishes the ground water table and enable..................==> [ Click Here to Read More ]



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