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Water in Swiss lakes

Did you know that for the same area Lake Zug contains almost three times as much water as Lake Biel?

29.07.2019 | DKW

With the data of the products swissTLM3D (landscape model) and swissBATHY3D (topography of the lakebeds) the volume of selected Swiss lakes can be calculated.

Lake Zug is located in the Pre-Alps and contains 3.2 trillion litres of water for an area of 38.4 km2. Lake Biel, which contains 1.1 trillion litres of water, is situated in the Swiss plateau and therefore in an area with a shallower underground. At 39.4 km2, the area of Lake Biel is only slightly larger than that of Lake Zug.

Switzerland's total drinking water consumption is just under 1 trillion litres per year. Private households consume 436 billion litres of this. Lake Biel would supply private households with drinking water for 2.5 years.
 

Federal Office of Topography swisstopo Seftigenstrasse 264
P.O. Box
3084 Wabern
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+41 58 469 01 11

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Federal Office of Topography swisstopo

Seftigenstrasse 264
P.O. Box
3084 Wabern

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