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In certain situations it may be possible to have a purely gravity system. Though such occasions are rare. Methods Of Rainwater Harvesting How To Save Rain Water Mettur Diary Dew and fog can also be collected with nets or other tools. . Rainwater harvesting is the collection and storage of rain rather than allowing it to run off. Rainwater Harvesting is unrestricted from any kind of impurity with relatively less storage cost and no maintenance cost involved except for periodical cleaning. Methods of Rainwater Harvesting. Surface runoff harvesting 2. For taller buildings gravity feed systems can often be the more economical option because of the higher water pressure that can be generated. The rainwater that runs off in the urban areas can be collected and deposited to restore the groundwater or aquifer bed rather than letting the water flow into the drains. The water in the soil was then accessed by masonry...
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