Rainwater tanks are real boon to mankind. It is a dual blessing for 
nature and man as it works to the benefit of both. In a time where we 
have to preserve every possible resource, rain water tanks do just that.
 Before considering the size and type of rain water tank let’s find out 
how they work. 
Rainfall is collected in water bodies and 
absorbed by the surface, even with all the development we have made, 
mankind still depends on rainfall to replenish water supply ever year. 
Rain fall is erratic – sometimes it is excessive and sometimes extremely
 scanty. To make sure we can retain as much of the rain water, rain 
water harvesting has added importance 
Rainwater tanks system play a 
vital in role in rain water harvesting. A special system is installed in
 the house depending on a number of factors. When rain falls, special 
catchment areas of the roof retain the water. The rain water is then 
transported to the rain water tanks installed above the ground or below 
through special gutters installed around the roof area. The rain water 
is collected in the water tank through special pipes and is stored for 
use around the house.

 
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