Ganga | Centre for Science and Environment

Ganga


Nature's own water purifiers

River banks are efficient water filters. Haridwar shows how to make most of them  

by Bharat Lal Seth

The holy town of Haridwar on the banks of the Ganga has of late been receiving pilgrims of a different kind. They are students and professors from India and abroad who come to study its water supply system. Over a third (38 per cent) of the water supplied in Haridwar is naturally treated as it passes through the river banks.

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