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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。
To understand the current status and trends of drinking water quality in Enshi City, provide a scientific basis for the purification and disinfection of drinking water and prevention and control of water pollution, and apply the close value method to monitor the water quality monitoring data of the municipal health precaution station from 1993 to 2000 Statistical analysis. The results showed that water quality declined year by year from 1993 to 1998, and water quality improved slightly from 1998 to 2000. Overall, the quality of drinking water in urban areas was good but at a decreasing trend. Tip urban drinking water source is being polluted, we must control and management, at the same time, to drinking water to carry out more stringent disinfection.