Rainwater harvesting is one of the most commonly used methods to conserve water. It refers to the storage of rainwater for various uses. The assumption behind rainwater harvesting is that do not waste rainwater and prevent it from being shut down. In other words, it is done to collect rainwater using simple mechanisms. This method is very useful in view of the shortage of water in India. In addition, rainwater harvesting is so easy that almost anyone can do it. We should encourage this practice to help people easily access clean water at no cost.
Importance of Rainwater Harvesting
As we know so far, rainwater harvesting is very easy and economical. Rainwater harvesting has become the need of the hour after water scarcity in many parts of the world. People from all walks of life should practice this. This will also comfort them knowing that they will not have to face water scarcity.
In addition, rainwater harvesting really matters more to you than you think. As we know that surface water is not sufficient to meet the demands of the people, we can get additional help from rain water. In addition, most people now depend on groundwater for their use. Many homes and even flats have submersible pumps in their place. Groundwater is decreasing day by day due to excessive use, deforestation, urbanization and more.
Thus, when we practice rainwater harvesting, it can maintain groundwater levels. In this way, we can all use groundwater because it will replenish through rainwater harvesting. In addition, rainwater harvesting prevents water from entering the roads. It also reduces the possibility of soil erosion. Most importantly, rainwater harvesting improves the quality of water that we consume, as it is the purest form of water.
Methods of Rainwater Harvesting
Rainwater harvesting is a very simple method that anyone can practice. There are mainly two types of rainwater harvesting methods. The first one is surface runoff harvesting. In this method the water flowing from the surface is concentrated. We see how surface runoff causes a lot of water loss. However, if we make proper arrangements, we can save that water to be used for different purposes.
In this method, we can collect surface runoff water through a path that leads to a storage location such as a tank or pond. This can help to store a large amount of water which can later be used for a lot of work. Everyone can design an efficient system that will collect large amounts of water from roads, gardens, parks and more. This will certainly be enough to sustain a community and even a city is designed on a large scale.
However, the runoff water will have too many impurities. Therefore, it is important to filter the water properly first, so it can be reused for all purposes, whether it is for drinking or cooking.
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Next, we have rainwater harvesting. Here, the roof of a house or building functions as a rainwater collection unit. It involves equipping the roof with pipes that are perpendicular to a pit or tank. These pipes will bend in the water tank to prevent water falling on the roof. It is a very economical and efficient method of harvesting rainwater.