2012—2013年岳阳市生活饮用水卫生状况调查

目的了解岳阳市2012—2013年各类生活饮用水的卫生状况及其影响因素,为保障居民饮用水水质安全提供科学依据。方法采用定期抽样的方法,每季度对岳阳市城区及周边县区的生活饮用水进行采样分析,按照《生活饮用水标准检验方法》中的规定进行采样检测,并依照《生活饮用水卫生标准》对结果进行评价。结果 2012—2013年共检测水样1 132份,其中出厂水186份,合格率94.1%;末梢水700份,合格率95.4%;农村学校内自建设施供水75份,合格率56.0%;城市二次供水171份,合格率96.5%。结论岳阳市生活饮用水整体达标情况较好,但农村学校自建供水水质不达标情况较多,不达标项目主要为总大肠菌群、大肠埃希菌、菌落总数等微生物指标,应引起相关部门的重视。

Investigation on sanitary conditions of drinking water in Yueyang City from 2012-2013

Objective]To understand the sanitary condition of drinking water in Yueyang City from 2012-2013,analyze its influencing factors,and provide the scientific evidence for ensuring the drinking water safety.Methods]By the regular sampling method,the drinking water in Yueyang urban area and surrounding counties were sampled and analyzed at each quarter. The sampling and detection were performed according to the Standard examination methods for drinking water,and the results were evaluated according to the Drinking water sanitary standard.Results]A total of 1132 water samples were detected from 2012-2013. There were 186samples of finished water with the qualified rate of 94. 1%,700 samples of tap water with the qualified rate of 95. 4%,75 samples of self-constructed water supply in rural schools with the qualified rate of 56. 0%,and 171 samples of urban secondary water supply with the qualified rate of 96. 5%.Conclusion]The overall quality of drinking water in Yueyang City is good,but some samples from self-constructed water supply in rural schools have not meet the standard,and the unqualified items are mainly the microorganism indexes,including total coliform group,Escherichia coli and total bacterial count,so the relevant governmental departments should pay more attention to this problem.