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Water Portal / Rainwater Harvesting / Rooftop rainwater harvesting

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==Technical specificationConstruction, operation & maintenance ==

====Storage Catchment & storage tanks====

Generally, structures made with ferrocement, or brick-cement are the best and cheapest option, and they can be made locally. When a water tank is below ground, it is called a cistern. Among the different storage types are the [[underground tank]], [[ferro-cement tank]], [[plastic-lined tank]], etc. The size of the tank is a compromise between cost, the volume of water used, the length of the dry season, etc.

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