What Are The Advantages And Disadvantages Of Rainwater Harvesting

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It is widely known that water covers up to 70% of our planet’s surface. However, we have never been able to have enough fresh water to meet our demands. Up until now, 1.1 billion people worldwide still lack the access to usable water sources and a total of 2.7 billion find water scarce for at least one month of the year. (WWF) Even in a centralized industry area, the main water supply system sometimes not able to meet the demand.
Water crisis is now a global problem. Since the 1950s till this present date the population of world has increased into double. The use of water is increasing but the sources are constant for safe water. The world is facing an overall of deficit of fresh water. Therefore, the need to find an additional water resource is inevitable.
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In times of such crisis today, rainwater harvest is indeed a blessing. However, there is no perfect solution for a reality problem.
Below we are going to highlight some advantage and disadvantages of rainwater harvesting.
1. Rain water harvest relieves pressure on other water sources. In a small community such in rural or mountain area, rainwater supply can co-exist with other sources and can act as a supplement to them. (CEF, 2013)
2. Safe, drinkable reserved rainwater can be the solution when there is a calamity or an outbreak of safe water. It can help us prevent many diseases and epidemic to spread wide during water crises due to the use of unclean, contaminated water.
3. Storing excess rain water during rainy season can help reduce the possibility of. Drainage overload can also be prevented by keeping drinkable fresh water from the rainwater. Furthermore, water from flood can also be well taken care of and utilized by the rain harvesting system.(GDRC, 2015)
4. It can help reduce soil erosion during rainy
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