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Rainwater harvesting (RWH) is a system meant for the collection of rainwater and storing it for future use. Rainwater can be collected from various surfaces and platforms. In most cases, the water is collected from rooftops and other hard surfaces and rainwater harvesting is considered to be the most reliable way to conserve water.
This technique has been around for a very long time, practised in ancient times. Over the past years, this method of water storage has gained ground and become quite popular. It plays a vital role in reducing the use of potable water and thereby increasing the reliability of rainwater.
Most buildings have a built-in catchment area on top of the roof, which has the capacity to collect large volumes of water in case of rainstorms. It has been made mandatory for builders to keep rainwater harvesting systems in their buildings as per the guidelines prescribed by the Union govt and state governments as part of a move to conserve water.
Easy setup: In both urban and rural settings, rainwater harvesting can be done quite easily. One of the simplest ways of storing water from the collection point is storage tanks. In most cases, the harvested water is usually redirected to storage tanks, cisterns or reservoirs. The roof of any building is the best way to harvest rainwater. There are numerous advantages in doing so.
Simple maintenance: The use of a rainwater harvesting system provides lots of benefits to any community. Firstly, the collection offers a better and greater utilisation of energy resources. It is important to note that potable water is usually not renewable, thus, reducing wastage. The system used for water collection is based on simple techniques that are very easy to maintain. The overall expenses incurred in setting up harvesting methods are much cheaper compared to other purifying means. Also, its maintenance is feasible on the economic front as it does not require deep pockets.
Reduced water bills: Water that has been stored from harvesting can be used for several non-drinking purposes. It will immediately reduce one’s utility bills. It is ideal for both residential and commercial properties.
Suitable for irrigation: Harvesting allows the collection of large amounts of water. Most rooftops provide the necessary platform for collecting water. Rainwater is usually free of harmful chemicals, which makes it ideal for irrigation purposes.
Recharging groundwater: Another important advantage is that it reduces demand for potable water. It is important, especially in areas with low water levels. The surplus rainwater can then be used to recharge groundwater aquifers through artificial recharge techniques.
Give conservation of rainwater a serious thought. You'll be doing well for not just the environment, but yourself as well.
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