1993-2000年恩施市城区生活饮水水质变化分析与思考

ANALYSING OF THE WATER QUALITY IN THE URBAN AREAS OF ENSHI CITY BETWEEN 1993 AND 2000

了解恩施城区生活饮用水水质现状及其变化趋势 ,为生活饮用水净化消毒处理和水源污染防治提供科学依据 ,应用密切值法对 1993- 2 0 0 0年市卫生防预站历年水质监测资料进行了统计分析。结果显示 ,1993- 1998年水质逐年下降 ,1998- 2 0 0 0年水质有所好转 ,总体上城区生活饮用水水质良好 ,但呈下降趋势。提示城区生活饮用水水源正在受到污染 ,必须进行控制和治理 ,同时 ,对生活饮用水要进行更加严格的净化消毒处理。

In order to know the change tendency of the drinking water quality in the urban areas of Enshi City and to provide scientific basis for the prevention of water source pollution , monitoring data of the drinking water quality between 1993 and 2000 was analyzed by osculating value method. Result shows that the drinking water quality went down between 1993 and 1998,but it has been getting better since 1998. Although the drinking water quality is good,it is coming down in general . It indicates that water source of the drinking water is contaminated . Some actions must be taken immediately to improve the situation ,also, we should be strict with decontamination and sterilization of the drinking water .