Roof Rainwater Collection System

Here s a handy little calculator to help you estimate how much rainwater can you harvest from your roof.

Roof rainwater collection system.

Greenhouse roof has the highest collection efficiency most surfaces are a ok. In addition terms such as roofwater collection or rooftop water collection is also used in other countries. Ahmed w gardner t toze s. Health risks associated with consumption of untreated water from household roof catchment systems.

To use this calculator input the dimensions of your roof only area connected to rainwater harvesting system and the amount of rainfall in inches. The collection of rainwater is known by many names throughout the world. 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.

External j amer water res assoc. There s just a short list of rooftop surfaces that rainwater harvesters should avoid. Microbiological quality of roof harvested rainwater and health risks. External j environ qual.

1 of rain on 1 000 sf roof will yield 623 gallons. How much rainwater can you harvest from your roof. It ranges from rainwater collection to rainwater harvesting to rainwater catchment. Don t let all that water go to waste.

You can make a rainwater collection system for under a hundred dollars and store hundreds of gallons of water to use for your garden or other purposes.