Abstract            Volume:10  Issue-12  Year-2022         Original Research Articles

Online ISSN : 2347 - 3215 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcret@gmail.com

Rainwater collection appears to be a viable technique to offer significant storage of water during rains in both rural and urban regions for agricultural, drinking, and industrial water demands. As a result, this study was carried out to estimate water collecting capability using rainfall as the only source of water supply. The potential and demand for rainwater on our campus were calculated using an empirical method. Interviews and direct measurements were used to collect primary data, while secondary data was gathered from a variety of sources. According to the research, the water harvesting potential on the study campus is 296269.7 m3. However, in order to satisfy the campus's needs, the water demand was calculated to be 644388.6 m3. On our campus, seasonal water consumption exceeded seasonal rainfall supplies. As a result, the yearly shortfall was calculated to be 348,118.9 m3 of water. Water harvesting structures are developed depending on the amount of water collected from building roofs and the ground surface. Using GPS readings, an appropriate site at a lower elevation was found for the predicted ground and surface water. Because of its low cost and ease of delivery, it is recommended that the predicted generated water of the roof catchment be stored in a high capacity (100 m3) constructed plastic water storage tanker. To cut expenses, the site was chosen close to the buildings, which are densely packed in one area, and close to the targeted area. Furthermore, a rooftop surface allows for more household storage of relatively clean water while also raising the ground water table in-situ. Rainwater harvesting from roof tops and surfaces is the only realistic way to develop water resources in metropolitan regions where a lot of dwelling clusters and commercial complexes are growing up in order to fulfill the local demands for water with self-sustainability.

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