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目的了解全市居民区二次供水水质消毒状况,消除饮用水卫生安全隐患,为卫生监督提供技术支撑。方法采用GB T5750-2006《生活饮用水卫生标准检验方法》,对全市2013-2014年44家居民区二次供水单位采样检测。结果采集水箱出口水138份,合格率76.1%;管网末梢水276份,合格率67.0%。结论加强饮用水卫生安全监管,强化二次供水储水箱的清洗消毒,必须增设水质消毒设施。
Objective To understand the secondary water quality disinfection of residential areas in the city to eliminate potential health and safety hazards of drinking water and provide technical support for health supervision. Methods The GB T5750-2006 Standard Test Method for Drinking Water Quality was adopted to sample and test the secondary water supply units of 44 residential areas in the city from 2013 to 2014. Results The water collected from the tank was 138, with a pass rate of 76.1%. There were 276 water pipes at the end of the pipe network, with a pass rate of 67.0%. Conclusion To strengthen the hygiene and safety supervision of drinking water and to strengthen the cleaning and disinfection of secondary water supply storage tanks, additional water quality disinfection facilities must be established.