RAIN WATER HARVESTING
Rainwater
harvesting (RWH) is one of the simplest methods by which rainwater is collected
and stored for future generations. The collected rainwater may be utilised in different ways like cleaning, washing and many more other
way or can be directly used for recharging of underground water tables. In the
present scenario it is the primary requirement to harvest rain water otherwise
we will be without water very soon. As the planning commission mentioned Delhi
will be water-less by the end of 2020, if we do not
manage our water resources. With the depleting groundwater tables and change of
climate pattern, rain water harvesting can go a long way to help mitigate these
effects.
Collecting
the rainwater can help recharge underground water tables, reduce flooding and
ensure the water availability in dry zones. Some of the rainwater harvesting
methods which have been practiced in ancient India like aharpynes, madakas, surangas, taankas etc.
If we
follow any of the method in our homes, schools, colleges, parks, offices and in
societies or apartment, we can recharge and improve underground water tables in
local areas.
Bitter
Truth about Water:
·
In India no city which is getting 24 hours drinking
water supply.
·
In many habitation waters is no more fit for
drinking as it contains fluoride, arsenic and nitrate in drinking water are
posing a serious health issue.
·
Unauthorized wells/borings declining of water
tables.
·
Conventional Irrigation system require more
water resulting into declining of water tables.
·
Recurring floods in many parts of the
country.
·
Most of the rivers are not even fit for
bathing.
·
Untreated or partially treated sewage and
industrial contaminated water is being dumped into river.
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