Rainwater Catchment Tanks

Rainwater collection takes place around the world, and can be an acceptable source of drinking water, especially for households and schools. The most typical type are roof catchments, which collect and funnel rain water falling on roof tops into a collection tank for later use. Roof catchments work well with tile or metal roofs, which are commonly seen on village schools and households. Local markets sell household sized rainwater tanks, along with rain gutters and downspouts. Larger rainwater tanks for schools are commonly constructed using rock or cement blocks. The amount of water which can be collected depends on the size of the roof, and local rainfall patterns, which need to be considered in the design of the system. To keep the water in the system clean, the collection surface and tank interior need regular cleaning and maintenance.

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