The groundwater is divide into shallow and deep groundwater firstly.

地下水首先划分为浅层地下水和深层地下水。

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For many years, because of overdraft of the deep groundwater has resulted in serious geologic hazards.

多年来，由于超量开采深层地下水，已经引起了严重的地质灾害。

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The deep groundwater cannot be drinked strictly, and can be used for industry and agriculture in a general way.

深层地下水严格讲不能直接饮用，一般满足工农业用水的水质要求。

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The roots of the plant may have to grow several meters deep to reach groundwater.

VOA: special.2010.07.13

Its deep roots can find and take up groundwater.

VOA: special.2010.02.09

At Goliad the uranium ore is located just 400 feet deep within the same rock as a groundwater reservoir that ranchers tap for drinking water, both for themselves and their livestock.

FORBES: Energy's Latest Battleground: Fracking For Uranium

Lechuguilla Cave, in New Mexico, USA, is a deep cave, formed over four million years ago by the action of sulphuric acid from groundwater.

BBC: Cave bacteria could help develop future antibiotics