System Roof Top Rain Water Harvesting

To use this calculator input the dimensions of your roof only area connected to rainwater harvesting system and the amount of rainfall in inches.
System roof top rain water harvesting. After m ore than 20 years in the rainwater industry rainwater managem ent solutions has identified the w isy 4 step system as the ideal m ethod for rainwater harvesting. Components of a rooftop rainwater harvesting system. There are three basic components of a rooftop rainwater harvesting system. This is a system of catching rainwater where it falls.
Greenhouse roof has the highest collection efficiency most surfaces are a ok. This is what connects the catchment area. While metal roofing or plastic sheeting e g. The rain will collect in gutters that channel the water into downspouts and then into some sort of storage vessel.
Rooftop rainwater harvesting system installed at rv ramamohan s home in hyderabad. Rooftop rainwater is allowed to percolate in the ground and become helpful to increase ground water recharging groundwater aquifers. So to answer the question of does roof type matter. Certain roof types will cause a rainwater harvesting system to fail.
Capturing and storing rain water for use is particularly important in. Rainwater harvesting is collecting the run off from a structure or other impervious surface in order to store it for later use. In the case of a rooftop rainwater harvesting system the roof of a house or of another building serves as the rainwater collection area. The efficiency and the quality of the water collected depends on the effective roof area and the materials that the roof is constructed of.
Traditionally this involves harvesting the rain from a roof. There s just a short list of rooftop surfaces that rainwater harvesters should avoid. This m ethod provides the best pre tank filtration by way of the w isy vortex filter which is regarded internationally as the best pre filtration m ethod. Harvested rain water can be stored in subsurface ground water reservoir by adopting artificial recharge techniques to meet the household needs through storage in tanks.
I installed a rrh system at my small house located at boduppal 17 414363 n 78 576998 e in ranga reddy district of andhra pradesh close to hyderabad city in june 2012 just before the onset of the south west monsoon. Rooftop rainwater harvesting is one of the optimistic and economically viable methods of rainwater harvesting. The rooftop is the first step in the rainwater harvesting system. The good news is most roofing materials are suitable for rainwater harvesting.
And every touchpoint of the rainwater is very important in the process to maintain quality water. Rainfall data was collected from the jalja report. Here s a handy little calculator to help you estimate how much rainwater can you harvest from your roof.