In the present scenario management and distribution of water has become
centralized. People depend on government system, which has resulted in
disruption of community participation in water management and collapse of
traditional water harvesting system.
As the water crisis continues to become
severe, there is a dire need of reform in water management system and revival of
traditional systems. Scientific and technological studies needs to be carried
out to assess present status so as to suggest suitable mitigative measures for
the revival to traditional system/wisdom. Revival process should necessarily be
backed by people's initiative and active public participation.
Canada:
A number of Canadians have started implementing rainwater harvesting
systems for use in stormwater reduction, irrigation, laundry, and
lavatory plumbing. Substantial reform to Canadian law since the
mid-2000s has increased the use of this technology in agricultural,
industrial, and residential use; but ambiguity remains amongst
legislation in many provinces. Bylaws and local municipal codes often
regulate rainwater harvesting.
India:
Pan India Potential:No
authenticated potential of rainwater harvesting has been assessed in
India. On absolute local basis it has been carried out at some places.
Tamil Nadu:
Tamil Nadu was the first state to make Rainwater Harvesting compulsory
for every building to avoid groundwater depletion. The scheme was
launched in 2001 and has been implemented in all rural areas of Tamil
Nadu. We can see posters all over Tamil Nadu including Rural areas to
create awareness about harvesting Rainwater TN Govt site. It gave excellent results within five years, and slowly every state took it as a role model. Since its implementation, Chennai saw a 50 percent rise in water level in five years and the water quality significantly improved.
Karnataka: In Bangalore
it is mandatory for adoption of rainwater harvesting for every owner or
the occupier of a building having the sital area measuring 60 ft
(18.3 m) X 40 ft (12.2 m) and above and for newly constructed building
measuring 30 ft (9.1 m) X 40 ft (12.2 m) and above dimension. In this
regard, BWSSB has initiated and constructed “Rain Water Harvesting Theme Park” in the name of Sir. M. Visvesvaraya in 1.2 acres (4,900 m2) land situated at Jayanagar, Bangalore.
In this park, 26 different type of Rain Water Harvesting models are
demonstrated along with the water conservation tips. The Auditorium on
the first floor is set up with Green Air conditioning system and the
same will be utilized to arrange the meeting and showing the video clip
about the rainwater harvesting to students as well as general public.
Rajasthan: In Rajasthan, rainwater harvesting has traditionally been practised by the people of the Thar Desert. There are many ancient water harvesting systems in Rajasthan, which have now been revived.Water harvesting systems are widely used in other areas of Rajasthan as well, for example the chauka system from the Jaipur district.
Kerala:
Main article: Rainwater harvesting in Kerala
Maharashtra: At present, in Pune, rainwater harvesting is compulsory for any new housing society to be registered.
In Mumbai city in Maharashtra rainwater harvesting is being considered as a good solution to solve the water crisis.
The Mumbai city council is planning to make rainwater harvesting mandatory for large societies. An attempt has been made at the Department of Chemical Engineering, IISc, Bangalore to harvest rainwater using upper surface of a solar still, which was used for water distillation.
Don't Waste the water
RESPECT THE NATURE
ENJOY THE NATURE
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