External j amer water res assoc.
Roof rainwater collection system.
External j environ qual.
The collection of rainwater is known by many names throughout the world.
Ahmed w gardner t toze s.
Did you know the average roof collects 600 gallons 2 271 2 l of water for every inch of rainfall.
Here s a handy little calculator to help you estimate how much rainwater can you harvest from your roof.
Health risks associated with consumption of untreated water from household roof catchment systems.
Don t let all that water go to waste.
We believe that rainwater harvesting is a viable technology in an urban setting.
Greenhouse roof has the highest collection efficiency most surfaces are a ok.
It ranges from rainwater collection to rainwater harvesting to rainwater catchment.
While metal roofing or plastic sheeting e g.
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.
There s just a short list of rooftop surfaces that rainwater harvesters should avoid.
To use this calculator input the dimensions of your roof only area connected to rainwater harvesting system and the amount of rainfall in inches.
Microbiological quality of roof harvested rainwater and health risks.
1 of rain on 1 000 sf roof will yield 623 gallons.