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目的评价淮安市城区生活饮用水质量,了解影响其卫生状况的主要指标,为更好的进行水质监测提供依据。方法基于综合指数法对淮安市2013-2015年水质监测数据进行综合评价。结果 2013-2015年出厂水、二次供水和末梢水优良率90.29%、78.76%和85.37%。一季度水质总体优于其他季度,3种水样水质差异随时间逐渐减弱,出厂水和末梢水的变化趋势基本一致。生活饮用水主要污染指标为微生物指标、感官指标和无机污染指标。结论淮安市城区生活饮用水水质总体较好,但优良率尚不理想,应继续加强监测并采取一定措施对重点污染物进行处理。
Objective To evaluate the quality of drinking water in urban areas of Huai’an City and to understand the main indicators that affect the health status of the city, so as to provide a basis for better water quality monitoring. Methods The comprehensive index method was used to evaluate the water quality monitoring data from 2013 to 2015 in Huaian. Results In 2013-2015, the output rate of finished water, secondary water supply and peripheral water were 90.29%, 78.76% and 85.37% respectively. In the first quarter, the overall water quality was better than the other quarters. The differences of the water quality of the three water samples gradually weakened with time, and the trend of the water excreted in the factory and the terminal was basically the same. Main drinking water pollution indicators for microbial indicators, sensory indicators and inorganic pollution indicators. Conclusion The quality of drinking water in urban area of Huaian City is generally good, but the rate of good and bad is still not ideal. We should continue to strengthen monitoring and take some measures to deal with the key pollutants.