Why is rainwater harvesting necessary?
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Why Harvest Rainwater?
Mains water is a precious resource due to increases in demand from our ever growing population. Changes in rainfall patterns in the UK have seen both drought conditions and flooding.
Rainwater harvesting can provide around 50 per cent of a family’s water needs. This not only saves water, but saves money and reduces our impact on the environment.
A Precious Resource
It is highly likely that there will come a point where mains water supply will no longer be able to meet the needs of our growing population. This almost inevitable situation will have an environmental and financial impact on the infrastructure used by the water companies, which will be passed on to their customers.
This is why more and more people are capturing their own rainwater – to make sure they have enough for their needs at a price they can afford and at the same time minimise their impact on the environment.
Planning
When combined with other sustainable technologies, rainwater harvesting systems can help secure planning permission and in some areas of the UK – where the mains water simply cannot support increased demand - it could be a necessity.
Harvesting rainwater has become a serious consideration for all new build or refurbishment projects. Architects and builders understand the importance of specifying rainwater harvesting systems to make houses more sustainable and to reduce the cost of running a home.
The Code For Sustainable Homes
The Code for Sustainable Homes will see the biggest impact on the current and future requirement for rainwater harvesting. The Code uses a one to six star rating system (one being the least sustainable and six being the most sustainable) and sets minimum standards for energy and water use at each level.
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Answer:
The importance of rainwater harvesting lies in the fact that it can be stored for future use. Just as it can be used directly so also the stored water can be utilized to revitalize the ground level water and improve its quality. ... Harvesting rainwater checks surface run off of water and reduces soil erosion.
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