The important reason of causing our country source of water supplying insufficient and national water environment pollution in some area is low water efficiency and large sewage emission.
造成我国部分地区水源供给不足和全国水环境普遍污染的重要原因是用水效率低和污水排放量大。
Therefore, it is meaningful to carry out empirical studies on the risk management theory and assessment method in terms of the accidental pollution events in source water area.
因此，从水源地安全的角度出发，针对水源地突发性污染事件进行风险评价理论及方法的实证研究，具有一定的现实意义。
The water pollution can be divided into two major categories of point source and area-source pollution according to the different way of discharge.
根据排放方式的不同，水体污染可以分为点源污染和非点源污染两大类。
The pollution situation of the virulent organic pollutant in the key water source area of Fuxin has been investigated and analyzed in this paper.
调查分析了阜新市重点水源受有毒有机污染物的污染状况。
The water body pollution of the source of Zhangjiuhe River is mainly the area pollution, with pollutants coming from fertilizers and pesticides, sands and daily wastes carried by surface water.
掌鸠河水源地水体污染主要为面源污染，来源于化肥、农药、径流挟带的泥沙和生活垃圾。
Finally, on the basis of investigation, the prevention and control of pollution for the secondary area of water source were studied and discussed.
最后，在调研基础上对二级保护区的污染防治工程规划工作进行研究和探讨。
A lot of fertilizer applications have become an important source of non-point source pollution in rural area, which affects the safety of surface water for drinking.
化肥的大量施用已成为农村面源污染的一个重要来源，直接影响到农村村镇地表饮用水安全。
To protect the drinking water sources, water pollution prevention and control technologies will be applied in building of venues located close to the water source conversation area.
保护饮用水源，靠近水源保护区的场馆采用严格的水污染防治技术。
The prevention and control of agricultural non-point source pollution, as well as the protection of drinking water sources area, are also the currently hot spots of research at home and abroad.
防治农业面源污染，保护饮用水水源地水质安全也是当前国内外研究的热点。
The prevention and control of agricultural non-point source pollution, as well as the protection of drinking water sources area, are also the currently hot spots of research at home and abroad.
防治农业面源污染，保护饮用水水源地水质安全也是当前国内外研究的热点。
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