余姚市生活饮用水水质卫生监测及分析  

Monitoring and analysis of drinking water quality in Yuyao City

作　　者：张建群[1] 王海蓉[1] 刘文江 ZHANG Jian-qun;WANG Hai-rong;LIU Wen-jiang(Yuyao Municipal Center for Disease Control and Prevention,Yuyao,Zhejiang 315400,China)

机构地区：[1]余姚市疾病预防控制中心,浙江余姚315400

出　　处：《中国卫生检验杂志》2021年第11期1392-1394,共3页Chinese Journal of Health Laboratory Technology

摘　　要：目的了解余姚市饮水工程供水的卫生状况,为完善监测工作提供依据。方法2018年-2019年对全市42个饮水工程监测点进行调查和采样,按照《生活饮用水标准检验方法》(GB 5750—2006)和《生活饮用水卫生标准》(GB5749—2006)进行检测和评价。结果2年共监测生活饮用水329份,总体合格率为83.89%,城市水质合格率高(97.56%),农村水质合格率一般(81.94%),小型集中供水单位合格率较低(43.75%)。合格率较低的指标包括消毒剂指标(游离余氯、二氧化氯)、肉眼可见物和锰。结论余姚市城市水质质量总体较好,今后要继续加强水质监管和投入,尤其是农村和小型集中供水水质。Objective To understand the sanitary condition of water supply of drinking water project in Yuyao City and to provide basis for improving the monitoring work.Methods From 2018 to 2019,42 drinking water project monitoring points in the city were investigated and sampled,and the samples were tested and evaluated according to GB 5750—2006 Standard Test Method for Drinking Water and GB 5749—2006 Standard for Drinking Water Sanitation.Results A total of 329 drinking water samples were monitored in 2 years,and the overall qualified rate was 83.89%.The qualified rate of urban water quality was high(97.56%).The qualified rate of rural water quality was general(81.94%).The qualified rate of small centralized water supply unit was 43.75%.The low qualified rate of indicators include disinfectant indicators(free residual chlorine,chlorine dioxide),visible substances and manganese.Conclusion The quality of water quality in Yuyao City is good on the whole.We should continue to strengthen the supervision and investment of water quality in the future,especially the water quality of rural and small centralized water supply.

关 键 词：生活饮用水 监测 水质 

分 类 号：R123.1[医药卫生—环境卫生学]