What are the advantages of rainwater harvesting?

There are many advantages of harvesting rainwater, some of which include:

• It is absolutely free to use and a clean source of water.
• It is easy to install.
• It can be used for many different purposes.
• It is environmentally friendly.
• It is excellent for irrigation.
• It reduces the use of ground water.

Why are different water harvesting systems considered a viable alternative to both socio-economically and environmentally in a country like India?

(i) Water harvesting is a very cheap and affordable method of conservation of water. (ii) Indian people have in-depth knowledge of rainfall regime and soil type. (iii) Rainwater harvesting techniques are more environmental friendly as compare to multipurpose river projects.

Why is rainwater harvesting important give two main reasons?

1. The gathered rainwater can be used for agricultural purposes. The environment may be helped to get rid of the tendency to drought. 2, The requirement of water for feeding the live-stocks can be met.

Why are different water harvesting system considered a viable alternative to?

Answer Expert Verified. Keeping into view the disadvantages and rising resistance against the multi-purpose projects, water harvesting system is considered a viable alternative both socio-economically and environmentally. Khadins, johads and tanks are the forms of rain water harvesting practised in Rajasthan.

Why is rainwater harvesting important in India give two reasons?

(i) India has seasonal erratic and uneven rainfall. Also, in the dry season, some parts of India have scarcity of water, e.g. in Rajasthan. (ii) With the help of rainwater harvesting techniques, water can be conserved and used during the dry season.

How can we make rainwater harvesting more effective?

7 Great Techniques by Which You Can Easily Harvest Rainwater at Your Home This Monsoon

1. Create a Rain Garden. Photo Source.
2. Make your own DIY Rain Chain. Photo Source.
3. Set up a Splash Block. Photo Source.
4. Build a Rain Saucer. Photo Source.
5. A Reservoir for Rain. Photo Source.

How is harvesting good for the environment?

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.

What is rooftop rainwater harvesting explain?

Rooftop Rain Water Harvesting is the technique through which rain water is captured from the roof catchments and stored in reservoirs. Harvested rain water can be stored in sub-surface ground water reservoir by adopting artificial recharge techniques to meet the household needs through storage in tanks.