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Essay on Rainwater Harvesting Words Article shared by: Essay on Rainwater Harvesting! Rain Water Harvesting as a method of utilizing rain water for domestic and agricultural use is already widely used throughout the world.
It is a method which has been used since ancient times and is increasingly being accepted as a practical method of providing potable water in development projects throughout the world.
It has wide application also in urban and semi -urban areas where the reliability and quality of piped water is increasingly being questioned. For centuries the world has relied upon rainwater harvesting to supply water for household, landscape, and agricultural uses.
Before city water systems were developed rainwater was collected mostly from roofs and stored in cisterns or storage tanks. Today, many parts of the world, including Hawaii and the entire continent of Australia, promote rainwater as the principal means of supplying household water.
On many Caribbean islands where rainwater is the most viable water supply option, public buildings, homes, and resorts all collect rainwater to supply their needs. In Hong Kong, rainwater is collected from skyscrapers to supply water needs. Rainwater harvesting promotes self-sufficiency and fosters an appreciation for water as a resource.
It also promotes water conservation. Rainwater harvesting also conserves energy as the energy input needed to operate a centralized water system is bypassed. Many systems require only a small pump to create water pressure in household pipes. Local erosion and flooding from impervious cover associated with buildings is lessened as a portion of local rainfall is diverted into collection tanks.
Rainwater is one of the purest sources of water available.
Its quality almost always exceeds that of ground or surface water. It does not come into contact with soil or rocks where it can dissolve minerals and salts nor does it come into contact with many of the pollutants that are often discharged into local surface waters or contaminate ground water supplies.
However, rainwater quality is influenced by where it falls. Rainfall in areas where heavy industry or crop dusting is prevalent may not have the same purity as rain falling in other areas.
It can significantly lower the quantity of detergents and soaps needed for cleaning. Soap scum and hardness deposits do not occur.
There is no need for a water softener as there often is with well water. Water heaters and pipes are free of the deposits caused by hard water and should last longer.We can save water per day by slightly saving water from the watering garden, flushing toilet, cleaning purposes, etc.
For the purposes like toilet flushing, laundry, watering garden, . People use lots of water for drinking, cooking and washing but even more for producing things such as food, paper and cloth.
A water footprint is an indicator that looks at both the direct and indirect water use of an individual, business, community, city or country. Before a rainwater harvesting system is built, use of digital tools is useful.
For instance, to detect if a region has a high rainwater harvesting potential, rainwater-harvesting GIS maps can be made using an online interactive tool, or, to estimate how much water is needed to fulfill a community's water needs, the Rain is Gain tool helps.
Tools like these can save time and money before a commitment to build a . In urban areas, water harvesting should be mandatory.
Fortunately, in some states, arrangements are afoot to harvest every-drop of rainwater. Further, we can save water in our daily life by doing minor acts such as, putting off the water tap while not in use, use water wisely while bathing, using rainwater for cleaning bathrooms, etc.
Search Results. Save Water OUR WATER, OUR LIFE Asia/Pacific Cultural Centre for UNESCO (ACCU) Our planet of water We are all living on this planet, Earth.
Rain Water Harvesting Essay 1 ( words) Rain water harvesting is a technique used for collecting and storing rainwater by using various means in different resources for .
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