Ponds, canals, big ditches or water-courses, etc. Do not hurry while delivering your speech. Rain water can be utilised when it is needed for utilisation.
It is also used for recharging aquifers with the help of proper methods. People have started starving for water, especially in the arid areas. While rainwater itself is a clean source of water, often better than groundwater or water from rivers or lakes,  the process of collection and storage often leaves the water polluted and non-potable.
Before city water systems were developed rainwater was collected mostly from roofs and stored in cisterns or storage tanks. It helps in various purposes like household works, field irrigation, livestock, agriculture and animal husbandry. Today, many parts of the world, including Hawaii and the entire continent of Australia, promote rainwater as the principal means of supplying household water.
Once you start harvesting rainwater, you have your own supply of water that can be used wisely. It provides water when a drought occurs, can help mitigate flooding of low-lying areas, and reduces demand on wells which may enable groundwater levels to be sustained.
It also has the potential of preventing drought like situation. Rainwater harvested from roofs can contain human, animal and bird fecesmosses and lichenswindblown dust, particulates from urban pollution, pesticides, and inorganic ions from the sea CaMgNaKClSO4and dissolved gases CO2NOxSOx.
In India rainy months are four-June to September.
Local erosion and flooding from impervious cover associated with buildings is lessened as a portion of local rainfall is diverted into collection tanks.
There are two main methods of rainwater harvesting- surface runoff harvesting and rooftop harvesting. This conserved water is lifted up with the help of deep or shallow tube- wells to be used as drinking water or to be used in agriculture.
Installing an effluent treatment plant is the first step to control industrial pollution. During this period an immeasurable quantity of water is wasted away as runoff into the seas and oceans. It is good to reduce the fear of water scarcity in the future. It also helps in the availability of potable water, as rainwater is substantially free of salinity and other salts.
Rain water harvesting is the good source of ground water recharge in natural way. Rainwater harvesting also conserves energy as the energy input needed to operate a centralized water system is bypassed. Why is Rainwater Harvesting Important. The main purpose of keeping the rain water conserved is the ponds, channels, ditches, canals, etc.
Leakage results in more loss of water than we can think of. It also promotes water conservation. Soap scum and hardness deposits do not occur.
Surface runoff method is used mainly in the urban areas where the rainwater flows away as the surface runoff. The information in this essay will also help you to prepare a speech on the computer and to write a paragraph in the exams too.
In the rooftop harvest method, rainwater is caught where it falls.
In addition, rainwater harvesting decreases the demand for water from wells, enabling groundwater levels to be further sustained rather than depleted. It is of more importance to the drought regions of India and other countries to supply the demands of water for various purposes.
Community involvement in the construction, operation, maintenance and funding of water systems should Strengthen village institutions. One of the simplest strategies to improve both water supply management and water quality is the protection of watersheds through maintenance of naturally vegetated buffer strips along streams, river channels and around lakes.
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It's free! Get Started. View Essay Topics. Essay Type. Rain Water Harvesting Essay 3 ( words) Rainwater harvesting means collecting the rain water into the natural reservoirs or man-made tanks. It is the technique to collect and store rainwater for various purposes in the future.
The most common and easy method of. Most of the water, therefore, runs wastefully through drains. In rural areas, the water quickly takes the form of flood and flows into rivers which dry up as soon as the rain stops as the bulk of water flows away.
If this water can be held back, it can seep into the ground and recharge the groundwater supply. Rainwater harvesting Rainwater capture and storage system at theMonterrey Institute of Technology and Higher Education, Mexico City.
A cistern for rainwater storage Rainwater harvesting is the accumulation and deposition of rainwater for reuse before it reaches the schmidt-grafikdesign.com include water for garden, water for livestock, water for irrigation, etc. Writing sample of essay on a given topic "Ten Main Uses Of Water" Ten main uses of water It is often termed as the liquid of life for a reason.
Even during space exploration, much of the focus is always placed upon its existence, since it is a pointer to the existence of life. Jul 28, · This essay includes all the information you needed to know about the computers, such as the invention, origin, history of the computer, the uses of the computer and the advantages or benefits and disadvantages of the computers/5(2).Uses of rainwater essay