The Benefits of Rooftop Rainwater Harvesting
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In most places, rain water gets wasted – this water is well on its way to becoming a scarce commodity. Effective rain water harvesting ensures that one saves and replenishes water which helps in times of scarcity.
At GoodEarth Malhar, the framework for maximum capture, minimal wastage and optimum reuse is done so that not a single drop of water is wasted. We have mapped out all the deep and shallow water aquifers which helps us in planning a complex rain-water harvesting plan which maximizes the capture of rainfall and channels it into the underground aquifers.
It’s important to know that this is an effective and environmentally friendly solution to many of our water problems. Rooftop rainwater harvesting systems provide self-sufficiency to the water supply, reduce the need to access ground water and conserve energy by reducing pumping costs.
Replenishes water sources conserves the environment and helps the local eco-system at large
Rooftop rainwater harvesting can be done in a variety of ways: some systems are installed directly on top of buildings while others are set up at ground level or below ground level. The most practical type is called surface storage as it’s easy to install and doesn’t require any drilling into concrete structures such as homes or office buildings; however there are other methods available if you prefer something different such as buried cisterns or underground tanks which require less maintenance over time because they don’t have exposed parts like pipes with moving parts that could get clogged up causing leaks inside walls etc.
The rooftop rainwater can be conserved and used for the domestic purposes. This approach requires connecting the outlet pipe from rooftop to divert the water to the rainwater tanks. The water collected is later filtered before sending it to the homes. The main objective of rooftop rain water harvesting is to make water available for both immediate and future use.
This technique at GoodEarth provides self-sufficiency to our water supply and reduces the cost for pumping of ground water. Rooftop rain water harvesting systems are less expensive, easy to construct, operate and maintain. The inlet into the storage tank should be screened in such way that any debris from the rooftop is restricted to enter the rainwater tanks. How efficiently the rainfall can be collected depends on several considerations. Collection efficiencies of 80% are often used for design consideration
Less expensive than traditional systems and easy to construct, operate and maintain
Simple Rainwater Balance for a Household
| Average Roof Area in Sqm | 150 | ||||
| Annual Rainfall in mm (Bangalore) | 1000mm | ||||
| Harvested Water From Roof Top (Liter) | 1,50,000 ltrs per year | ||||
| Requirement for a family per Annum(Liter) | 2,75,000 ltrs per year | ||||
Illustration of Rainwater System
