This paper analyzes the surface water and underground water pollution status quo and pollution ways in Nenjiang valley.

对嫩江流域的地表水、地下水污染现状、污染途径进行了分析。

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This paper analyzes the underground water pollution states in Mudanjiang City, and presents prevention and treatment measures.

对牡丹江地下水污染状况进行了分析，并提出防治保护措施。

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This paper introduces the reasons for underground water pollution and provides treatment and preventing measures for underground water pollution.

文章介绍了地下水污染的成因，提出了地下水污染的治理方法与预防措施。

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Industrial and biological pollution has contaminated almost 90 percent of the underground water in Chinese cities.

FORBES: Quenching China's Thirst For Water

Meanwhile, industrial and biological pollution has contaminated almost 90 percent of the underground water in Chinese cities.

FORBES: Major Trends In China: The Next 10 Years

Intensive development of agriculture and industry may become a reason of deterioration of underground water in various regions in the absence of water-protective measures which can prevent its pollution.

UNESCO: OFFICE IN TASHKENT