Rainwater harvesting can provide clean water-supply for a small community. Especially when pipelines are too expensive to set up and one central well or pump cannot be used all around the year, a rainwater catchment system is a workable solution.Some advantages of rain harvesting:
Easily accessible
Set-up costs are low, with construction easy, materials low-cost and maintenance cheap
Sustainability is higher
Easily adaptable to different types of communities Components of a rainwater harvesting systemA rainwater harvesting set-up is composed of a water-collection system, a storage cistern and a water distribution system.
It mainly needs:
Rain, and plenty of it preferably
A catchment area
Gutters or pipes
Storage tank
Filter (can be a simple metal screen filter or slow sand filter or even more sophisticated types if required or available)
Pump or pressure tank for distribution
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