Ground water

Roughly 71 percent of the Earth's surface is covered by water. But only 0.3 percent of the entire water supply is available as potential drinking water. This can in simple terms be divided into three groups:surface water, ground water and depth water. All of these are regarded as drinkable.

Per definition, ground water is an accumulation of water in the ground, which gathers there when rainwater seeps into the soil. Ground 

Wilder Fluss im Wald

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