A recent article in the National Geographic News lists, alarmingly, the substances that have recently been found in coastal waters, river water and drinking water:

In the Puget Sound off north west America – cinnamon, sage, thyme, chocolate and, strongly, vanilla... the equivalent, they report, of 10 four ounce bottles of vanilla essence in an Olympic size swimming pool.

At a Spanish water treatment plant and in the River Po in Italy - cocaine.

The River Po is also known to carry more than 20 kilos of pharmaceuticals each day - including hormone mimicking oestrogens.

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To read about domestic water filtration....

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First Published in November 2009

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