Roof Based Rainwater Harvesting

Collecting rainwater runoff from roof surfaces which usually provides a much cleaner source of water that can be also used for drinking is called roof based harvesting while collecting rainwater runoff from land surfaces is called land based harvesting.

Roof based rainwater harvesting. Use this rainwater harvesting calculator to find the answer. Land based rainwater harvesting occurs when runoff from land surfaces is collected in furrow dikes ponds tanks and reservoirs. From rainwater the practice of collecting rainwater can be classified into two categories such as. The area is based on the footprint of the roof which can be calculated by finding the area of the building and adding the area of the roof s overhang.

Dew and fog can also be collected with nets or other tools. To calculate how much rainwater that you can harvesting use the equation below. Using rainwater where appropriate conserves potable. 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.

Rooftop rain water harvesting is the technique through which rain water is captured from the roof catchments and stored in reservoirs. Land based roof based. Calculating your roof surface area building plans offer the easiest way to calculate your roof surface area after all the numbers should all be on there. Rainwater harvesting is an excellent means of supplementing water for use on site if the process is permitted by state and or local laws.

As your roof surface is the catchment area for harvesting rainwater it s important to know how large or small it is so you can calculate how much rainwater you can expect to harvest. The image below shows how differences in roof slope do not change this building s catchment area. 512 490 0932 501 w powell ln 206 austin tx 78753 harvesting rain conserving water and managing stormwater in texas since 2004. The practice of collecting rainwater from rainfall events can be classified into two broad categories.

Wondering how much rainwater you could collect off your roof.