Rainwater harvesting from rooftop catchments



The application of an appropriate rainwater harvesting technology can make possible the utilization of rainwater as a valuable and, in many cases, necessary water resource. Rainwater harvesting has been practiced for more than 4, 000 years, and, in most developing countries, is becoming essential owing to the temporal and spatial variability of rainfall. Rainwater harvesting is necessary in areas having significant rainf ....etc

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Presented By:
B.ANUSHA PRIYA,II.B.Tech(CE)
M.BHAVYA, II.B.Tech(CE)
KSRM COLLEGE OF ENGINEERING
KADAPA


RAINWATER HARVESTING
Abstract:
The paper outlines rainwater harvesting is being frequently used these days, however, the concept of water harvesting is not new for India. Water harvesting techniques had been evolved and developed centuries ago.
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Submitted By
DILEEP RAJ.K


ABSTRACT
Water is most abundant component on earth surface, constituting about 70% of the planet surface. Although some 70% of the Earth's surface is covered by water much of this is saline. However freshwater is available in almost all populated areas of the earth although it may be expensive to access the water and the supply may not always be sustainable. Only 4% of the available water is suitable for drinking purpose.
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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
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