What are the advantages of rainwater harvesting in urban areas?

Beside this, what are the advantages of harvesting rainwater?

Reduces Flooding and Erosion Harvesting rainwater can help the environment in a number of ways. For starters, it can reduce erosion around downspouts and in gardens. It can also control storm water run-off. Rainwater doesn't produce scale and corrosion as hard water does.

Similarly, how can water harvesting be made effective in urban areas? Ground water recharge in urban areas. In rural areas, rain water harvesting is taken up considering watershed as a unit. In urban areas, rain water available from roof tops of buildings, paved and unpaved areas goes waste. This water can be recharged to aquifer and can be utilized gainfully at the time of need.

Also to know, what is rainwater harvesting in urban areas?

The most common technique in urban areas (besides storm water management) is rooftop rainwater harvesting: rainwater is collected on the roof and transported with gutters to a storage reservoir, where it provides water at the point of consumption or is used for groundwater recharge (see also surface and subsurface

What is the use of rainwater harvesting?

Its uses include water for gardens, livestock, 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.