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目的分析迁安市2014年-2016年农村生活饮用水卫生基本状况和变化趋势,为加强饮用水安全管理工作提供依据和技术支持。方法对迁安市所辖的19个乡镇供水点进行监测,分别在枯水期、丰水期分批采集出厂水、末梢水和分散式供水,按照GB/T 5750—2006进行水样采集、保存和检测,按照GB 5749—2006进行评价。结果 3年共检测农村生活饮用水258份,合格187份,总合格率为72.5%,2014年-2016年水质合格率分别为73.8%、69.8%、73.9%;枯水期和丰水期水质监测合格率分别为75.2%和69.8%;不合格指标中硝酸盐不合格率最高,为14.0%,其次是总大肠菌群,不合格率为8.1%。结论迁安市农村生活饮用水3年间水质卫生状况没有明显的改观,仍需加大农村生活饮用水的改水工程力度。
Objective To analyze the basic status and trends of rural drinking water health in Qian’an from 2014 to 2016, and provide the basis and technical support for strengthening the safety management of drinking water. Methods Water supply points of 19 villages and towns under the jurisdiction of Qian’an were monitored. Water samples were collected in batches in the dry season and wet season, respectively. The water samples were collected and stored according to GB / T 5750-2006 Testing, in accordance with GB 5749-2006 for evaluation. Results A total of 258 drinking water were tested in rural areas during the past three years, with a pass rate of 72.5% and a total pass rate of 72.5%. The pass rates of water quality in 2014 and 2016 were 73.8%, 69.8% and 73.9% respectively. The water quality monitoring in dry season and wet season was qualified Rates were 75.2% and 69.8%, respectively; the highest unqualified rate of nitrate was 14.0%, followed by total coliforms, with a failure rate of 8.1%. Conclusions There is no significant improvement in the sanitary status of drinking water in rural areas in Qian’an City in the past three years, and it is still necessary to intensify the water improvement project of rural drinking water.