Rainwater Collection System Roof

The idea of rainwater harvesting usually conjures up images of an old farm cistern or thoughts of developing countries.

Rainwater collection system roof.

External j amer water res assoc. A basic rainwater collection tank is easy to install and can be relatively inexpensive. While metal roofing or plastic sheeting e g. Microbiological quality of roof harvested rainwater and health risks.

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. Ahmed w gardner t toze s. A rainwater system supplying the house will need a pump to operate.

To use this calculator input the dimensions of your roof only area connected to rainwater harvesting system and the amount of rainfall in inches. Don t let all that water go to waste. Rainwater collection calculation formulas and equations roof area ft 2 x precipitation amount in x 0 623 amount collected gallons easy formula to remember. Greenhouse roof has the highest collection efficiency most surfaces are a ok.

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. Installing a rainwater collection system makes the most of this natural resource and cuts down on water bills. 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.

Rainwater contains nitrogen from the atmosphere which is absorbed by plants through the soil. The good news is most roofing materials are suitable for rainwater harvesting. Rainwater collection systems can be as simple as collecting rain in a rain barrel or as elaborate as harvesting rainwater into large cisterns to supply your entire household demand. A step beyond screens is to add a first flush diverter aka roof washer to your rainwater collection system.

Did you know the average roof collects 600 gallons 2 271 2 l of water for every inch of rainfall. 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. Here s a handy little calculator to help you estimate how much rainwater can you harvest from your roof. Studies in the us have shown that rain watered plants will be greener and have.

Health risks associated with consumption of untreated water from household roof catchment systems. External j environ qual.