For the vast majority of tank based rainwater harvesting systems the catchment area is the roof surface.
Roof chute rainwater harvester.
Specifically this is set up for my rainwater garden area but c.
Land based rainwater harvesting occurs when runoff from land surfaces is collected in furrow dikes ponds tanks and reservoirs.
This large area that covers and protects your home can gain an additional beneficial function.
Annual rainfall in millimetres x roof surface area in square metres roof catchment capacity.
Cisterns and other rain harvesting systems are widely used in europe australia india the bahamas and countless remote countries many who depend solely on rain for day to day life.
Harvesting rain is a practice that has been around for centuries.
Use this rainwater harvesting calculator to find the answer.
Wondering how much rainwater you could collect off your roof.
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When water supply becomes limited practical solutions can fill the gap.
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Roof based rainwater harvesting refers to collecting rainwater runoff from roof surfaces which usually provides a much cleaner source of water that can be also used for drinking.
While metal roofing or plastic sheeting e g.
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There s just a short list of rooftop surfaces that rainwater harvesters should avoid.
Greenhouse roof has the highest collection efficiency most surfaces are a ok.
This capacity can be calculated using the following formula.
Rainwater harvesting is one of the oldest methods that you can use to supply your household with water without paying for the water itself.
There are some important factors about the roof to consider when planning for a rwh system.
Building a rain roof as another option to harvest rainwater for home garden or livestock use.
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The good news is most roofing materials are suitable for rainwater harvesting.
And one of the simplest methods of rainwater harvesting is the good use of your rooftop.
This article develops a geographic information systems based methodology to evaluate the spatial distribution of rainwater catchment potential to identify the most favorable urban areas for the installation of these infrastructures.
The catchment area is the first point of contact for rainfall.