Rainwater is collected from a roof like surface and redirected to a tank cistern deep pit well shaft or borehole aquifer or a reservoir with percolation.
Roof rain water harvesting system.
Calculating your roof surface area building plans offer the easiest way to calculate your roof surface area after all the numbers should all be on there.
Roof types for rainwater harvesting.
Rainwater harvest calculator length.
In saline or coastal areas rain water provides good quality water and.
Rooftop rain water harvesting systems are easy to construct operate and maintain 9.
Rainwater harvesting rwh is the collection and storage of rain rather than allowing it to run off.
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Here is a list of the most common roof types and if they can be used for rainwater harvesting.
Health risks associated with consumption of untreated water from household roof catchment systems.
Here s a handy little calculator to help you estimate how much rainwater can you harvest from your roof.
Rainwater collection systems can be as simple as collecting rain in a rain barrel or as elaborate as harvesting rainwater into large cisterns to supply your entire household demand.
To use this calculator input the dimensions of your roof only area connected to rainwater harvesting system and the amount of rainfall in inches.
State rainwater harvesting statues programs and legislation.
Greenhouse roof has the highest collection efficiency most surfaces are a ok.
Dew and fog can also be collected with nets or other tools.
As your roof surface is the catchment area for harvesting rainwater it s important to know how large or small it is so you can calculate how much rainwater you can expect to harvest.
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The rooftop rain water harvesting is less expensive 7.
There are some important factors about the roof to consider when planning for a rwh system.
Tin tin is one of the best rainwater harvesting roof materials to have on a project there is very little water loss with tin around 5 and no.
While metal roofing or plastic sheeting e g.
Included are some of the effects of using these types of roofing for rainwater harvesting according to arcsa.
The idea of rainwater harvesting usually conjures up images of an old farm cistern or thoughts of developing countries.
Roof material the material of the roof is not as important as contaminants that may be on the roof.
In hilly terrains rain water harvesting is preferred 10.
Microbiological quality of roof harvested rainwater and health risks.
There s just a short list of rooftop surfaces that rainwater harvesters should avoid.