Social Sciences, asked by ansari1017, 1 year ago

what is rain water harvesting? what are benefit of rain water harvesting​

Answers

Answered by rudra204
38

Answer:Rain water harvesting is the process of collecting rain water for future use after filtration

Explanation:

Rain water harvesting helps us save water and use it during times when its needed.

It saves water which would have otherwise gone on the road.

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Answered by SamikBiswa1911
25

Explanation:

Rainwater harvesting is the accumulation and storage of rainwater for reuse on-site, rather than allowing it to run off. Rainwater can be collected from rivers or roofs, and in many places, the water collected is redirected to a deep pit (well, shaft, or borehole), aquifer, a reservoir with percolation, or collected from dew or fog with nets or other tools. Its uses include water for gardens, livestock,[1] irrigation, domestic use with proper treatment, indoor heating for houses, etc. The harvested water can also be used as drinking water, longer-term storage, and for other purposes such as groundwater recharge.

THE WATER CONSERVATION BENEFITS OF RAINWATER HARVESTING The rainwater that falls on your roof and property is essentially free.  All it takes is a method to harvest it into a tank or cistern for later use. Rainwater harvesting can be a great educational tool to get people to recognize their individual or household water usage.  This can get them to start conserving water in other areas around their home. For communities that rely on imported water to supply their needs, collecting rainwater that falls naturally in the community can reduce the need for imported water. Rainwater harvesting helps utilities reduce peak demands during summer months, saving treated water for more important and appropriate water uses. While rainwater can be a perfect primary water source for many uses and situations, it is also a great backup water supply for emergency situations.

THE ENVIRONMENTAL BENEFITS OF RAINWATER HARVESTING Rainwater harvesting can reduce stormwater runoff from a property.  The elimination of runoff can reduce contamination of surface water with pesticides, sediment, metals, and fertilizers. By reducing stormwater runoff, rainwater harvesting can reduce a storm’s peak flow volume and velocity in local creeks, streams, and rivers, thereby reducing the potential for streambank erosion. Rainwater harvesting systems can be employed as simple and effective methods to meet a municipality’s stormwater management program requirements of individual properties. It is an excellent source of water for plants and landscape irrigation since it has no chemicals such as fluoride and chloramines (chlorine).

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