Authors : Dr. Reema Singh, Aditya Khurana
ABSTRACT : Rainwater harvesting is increasingly recognized as a viable solution to address water scarcity and promote sustainable water use in both urban and rural environments. The concept, which involves capturing, storing, and utilizing rainwater for various uses, dates back to ancient civilizations. Today, with mounting pressure on freshwater resources and the adverse impacts of climate change, rainwater harvesting has evolved into a necessity rather than a choice. This paper explores a variety of traditional and modern rainwater harvesting techniques suitable for different geographical settings, with an emphasis on cost-effectiveness, scalability, and sustainability. The benefits of rainwater harvesting include groundwater recharge, flood mitigation, reduced dependency on conventional sources, and improved water quality. Through a comprehensive overview of the techniques—such as rooftop collection, percolation pits, underground storage tanks, and urban green infrastructure—this study highlights the practical implications and challenges associated with their implementation. Furthermore, policy frameworks, community involvement, and innovative engineering approaches are discussed as essential elements in promoting large-scale adoption. The goal of this paper is to offer a consolidated knowledge base that serves academic, environmental, and engineering interests in promoting rainwater harvesting for sustainable development.
KEYWORDS : Rainwater Harvesting, Sustainable Water Use, Groundwater Recharge, Water Management, Rooftop Collection, Percolation, Water Conservation.
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