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Rain water harvesting
Is rain water harvesting important? How does it help to save water?
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Rainwater harvesting is a practice in which rainwater is collected and stored rather than letting it run off on the surface. Rainwater is generally collected on roof-like surfaces that is then redirected to a safer place like a tank, cistern, etc. It is redirected so that it seeps down the surface and restores along with the groundwater.
Rainwater harvesting is one of the oldest methods that has been adopted by people to store water and then reuse it for household purposes. It is like a self-supply of water. As we know that rainwater is the purest form of water, it can directly be stored and used as such, but for safety purposes, many people tend to use that water only after a certain process. That water undergoes many filtration techniques and then is being used by people. This water is used to provide drinking water, water for livestock, irrigation, and maybe an initiative by people to replenish the ground levels.
Many industries follow rainwater harvesting. Frankfurt Airport has the biggest system installed in Germany. They save nearly 1 million cubic centimeters of water per year. The system collects water from the roof that covers an area of 26,800 square meters. The water is collected in the basement of the airport. The airport has six water tanks installed in the basement where the rainwater finally gets stored. This water is then brought to use by them for various purposes like watering plants, cleaning their air conditioner systems, etc.
People know the value of water and therefore try to save by taking all possible measures. Rainwater harvesting is one of the oldest techniques that is followed by people to be self-sufficient. These days, schools, colleges, and many industries have also started to harvest the rainwater and use it wisely. They also save money by doing this.
