Roof Rainwater Collection System

Microbiological quality of roof harvested rainwater and health risks.

Roof rainwater collection system.

Health risks associated with consumption of untreated water from household roof catchment systems. External j environ qual. The collection of rainwater is known by many names throughout the world. To use this calculator input the dimensions of your roof only area connected to rainwater harvesting system and the amount of rainfall in inches.

There s just a short list of rooftop surfaces that rainwater harvesters should avoid. While metal roofing or plastic sheeting e g. The good news is most roofing materials are suitable for rainwater harvesting. Rainwater collection calculation formulas and equations roof area ft 2 x precipitation amount in x 0 623 amount collected gallons easy formula to remember.

1 of rain on 1 000 sf roof will yield 623 gallons. How much rainwater can you harvest from your roof. In addition terms such as roofwater collection or rooftop water collection is also used in other countries. Don t let all that water go to waste.

Greenhouse roof has the highest collection efficiency most surfaces are a ok. Here s a handy little calculator to help you estimate how much rainwater can you harvest from your roof. 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. Did you know the average roof collects 600 gallons 2 271 2 l of water for every inch of rainfall.

External j amer water res assoc.