Roof Rainwater Collection System
To use this calculator input the dimensions of your roof only area connected to rainwater harvesting system and the amount of rainfall in inches.
Roof rainwater collection system. How much rainwater can you harvest from your roof. External j environ qual. External j amer water res assoc. Greenhouse roof has the highest collection efficiency most surfaces are a ok.
The good news is most roofing materials are suitable for rainwater harvesting. Microbiological quality of roof harvested rainwater and health risks. In addition terms such as roofwater collection or rooftop water collection is also used in other countries. Here s a handy little calculator to help you estimate how much rainwater can you harvest from your roof.
Ahmed w gardner t toze s. Don t let all that water go to waste. It ranges from rainwater collection to rainwater harvesting to rainwater catchment. Did you know the average roof collects 600 gallons 2 271 2 l of water for every inch of rainfall.
Rainwater collection calculation formulas and equations roof area ft 2 x precipitation amount in x 0 623 amount collected gallons easy formula to remember. There s just a short list of rooftop surfaces that rainwater harvesters should avoid. The collection of rainwater is known by many names throughout the world. While metal roofing or plastic sheeting e g.
We believe that rainwater harvesting is a viable technology in an urban setting.