Chennai:
Chennai is pumping out 900 mld of fresh water into the
sea instead of treating it and injecting it into the ground as has been done in
water scarce area of Orange County in California, according to an expert.
Addressing a press conference to announce the 8th
edition of Water expo 2014 here on Tuesday, S Sundaramoorthy, former
engineering director of Metro Water and director, technical, creative environmental
consultants, said that city is going to pay a heavy price in the future for
letting out used water into the sea.
While praising the ADMK party for taking measures to
build two additional reservoirs to store excess water during the monsoon, he
said it should have been implemented long time ago.
He said that California which has about 50 per cent less
rainfall than Tamil Nadu has 250 litre per capita of water per day. However,
the state has only 100 litre per capita of water per day. He said success of
California model is due to tresating of the used water and injecting it into
ground rather than letting it out to sea.
This water gets filtered and later pumped into borewells, said
Sundaramoorthy, who is also a member of American Chemical society.
He also said that projects to conserve water require
funds which is unavailable as cess the people pay is only Rs 60 for the whole
month.
Sundaramoorthy also expressed concern that most of the
buildings in ECR stretch don’t have sewage network thus polluting the ground
water. Many residents are using septic tanks and disposing the waste through
tankers, he said. He said a better way to stop this pollution is by each building
having a sewage treatment plant.
Naina Shah, editor of water Today said that this year 400
exhibitors from 25 countries have registered for the three-day Water Expo which
is going to be held from January 20.
She said that numerous water companies are showcasing
their technologies and the country list includes US, Germany, China, The
Netherlands, Nigeria, Canada, Korea and France.
She said the extensive three-day international conference
and workshop is programmed in seven sessions and two technical workshops. The
technical sessions will explore two important and critical issues which include
‘Green initiatives for sustainable water management’ and ‘zero liquid
discharge.’
Dr S Rajamani, chairman
of International Union of Environment Commission also spoke on the occasion
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