Roof Top Rain Water Harvesting Methods

The rural population of thailand about 40 utilises rainwater harvesting.

Roof top rain water harvesting methods.

After first flushing of rainfall water should pass through filters or directly stored in tank and filter before use. Gansu in china and semiarid northeast brazil have the most essential rooftop rainwater harvesting projects happening. Components of a rooftop rainwater harvesting system. Capturing and storing rain water for use is particularly important in.

It is a method of catching rainwater where it falls. In the case of a rooftop rainwater harvesting system the roof of a house or of another building serves as the rainwater collection area. Usually a large storage tank is used as the storage unit which is primarily designed based on the water demand requirements and the expected rainfall. Rooftop rainwater harvesting method of storage for direct use in this method the rainwater accumulated at the catchment is directly diverted or passed to the storage unit.

It can either be stored in a tank or diverted to an artificial recharge scheme. There are three basic components of a rooftop rainwater harvesting system. Storage of direct use in this method rainwater collected from the roof of the building is diverted to a storage tank. Promoted heavy rainwater harvesting within the 1950s.

The efficiency and the quality of the water collected depends on the effective roof area and the materials that the roof is constructed of. The rooftop rainwater harvesting is a method from which rainwater is captured from the roof catchments which is then stored in reservoirs and by adopting artificial recharge techniques to meet the household needs through storage in tanks harvested rainwater can be stored in the sub surface groundwater reservoir. In rooftop harvesting the roof becomes the catchments the rainwater is collected from the roof of the house or building. The main objective of rooftop rain water harvesting is to make water available for future use.

Various methods of using roof top rainwater harvesting are illustrated in this section.