Brief explanation about Rain water harvesting.......

1. Presentation by :-
--Aurum team
Dept :- Chemical engg

2. IMP of rain water
● Recharge under ground water
● Gardening
● Livestock
● Drinking purpose
● for irrigation purpose

3. RAIN WATER HARVESTING (RWH)

4. WHAT ?
Technology used for Storing and
Collecting......................
Accumulation and deposition of rainwater for
reuse on-site, rather than allowing it to run
off.

5. TYPES OF RAIN WATER HARVESTING
1. Surface runoff harvesting . 2.Roof top rainwater
harvesting.

6. WHO ?
● Drought areas ● Water insecure households or
individuals in rural areas will benefit the
most from rainwater harvesting
systems.

7. Significance of RWH:

8. Advantages:-

9. Case study:-
● Before RWH ● After RWH

10. Legislation on RWH:
● Ahmedabad:
IN 2002,AHMEDABAD urban development authority AUDA has made RWH
mandatory for all buildings covering an area of over 1500 sq.mts...
● Banglore:
In February 2009,government had made RWH mandatory in Karnataka in order
to conserve water and ensure ground water recharge ...
IN THE SAME WAY THE FOLLOWING STATES:

11. 1..Himachal Pradesh
2..Tamil Nadu(Chennai)
3..Kerala
4..Telangana(Hyd)
● The above mentioned states are following RWH in order to use the stored
rain water for the purpose of gardening,toilet flush systems,,etc

13. ANY QUERIES