Why is Swiss lake water so blue?

Blue and turquoise lakes It's due to the tiny glacier particles, which sink only slowly to the bottom. The purity of the lake's waters allow these particles to come into their own. The colours are particularly beautiful in spring, when the glaciers begin to melt.



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Most nutrients are found in the bottom layers, but algae thrive in the top layers, where the sun shines, as they need light to grow. The result of all these factors is the clear, blue water that all mediterranean divers know and love so well.

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Swiss drinking water is contaminated with 'forever chemicals', research shows. Groundwater provides 80 per cent of Switzerland's drinking water. Forever chemicals have been found in almost half of Swiss groundwater. Samples were taken at more than 500 measuring stations.

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The lake is one of the largest freshwater lakes in Europe and is shared by Switzerland and France. Yes,it is generally safe to drink water from Lake Geneva, but it is best to filter or treat it first.

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