Rainwater Collection System Roof
Installing a rainwater collection system makes the most of this natural resource and cuts down on water bills.
Rainwater collection system roof. There s just a short list of rooftop surfaces that rainwater harvesters should avoid. External j amer water res assoc. External j environ qual. Here s a handy little calculator to help you estimate how much rainwater can you harvest from your roof.
Greenhouse roof has the highest collection efficiency most surfaces are a ok. Health risks associated with consumption of untreated water from household roof catchment systems. A step beyond screens is to add a first flush diverter aka roof washer to your rainwater collection system. A first flush diverter is a contraption that redirects the first purge of water coming from the roof during a storm away from the rainwater tank.
A rainwater system supplying the house will need a pump to operate. Rainwater collection calculation formulas and equations roof area ft 2 x precipitation amount in x 0 623 amount collected gallons easy formula to remember. The good news is most roofing materials are suitable for rainwater harvesting. Did you know the average roof collects 600 gallons 2 271 2 l of water for every inch of rainfall.
A basic rainwater collection tank is easy to install and can be relatively inexpensive. While metal roofing or plastic sheeting e g. 1 of rain on 1 000 sf roof will yield 623 gallons. Aquamate s rainwater collection tanks can be fitted with our innovative rainsaver gutter system utilizing the tank s roof to increase the catchment area for optimal collection of rainwater which is then redirected into the tank.
The idea of rainwater harvesting usually conjures up images of an old farm cistern or thoughts of developing countries. 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. Ahmed w gardner t toze s. Microbiological quality of roof harvested rainwater and health risks.
There s a reason a garden appears more refreshed after a rain shower rather than a douse of town supply. Capture water from the tank s roof rainsaver gutter system. Studies in the us have shown that rain watered plants will be greener and have. Rainwater contains nitrogen from the atmosphere which is absorbed by plants through the soil.
When designing your rainwater system remember to include a first flush device an overflow outlet see rainwater tank overflow below and provide access for cleaning. Don t let all that water go to waste.