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目的掌握襄阳市城区不同类型供水单位的卫生状况,了解其供水水质卫生,针对存在的问题提出改进建议。方法对襄阳市城区市政集中式供水、自建集中式供水各2个水厂和二次供水单位10个的卫生管理、制水设备进行调查,选取有代表性的城区二次供水、末梢水、出厂水和水源水进行水质监测,采用国家生活饮用水卫生标准进行评价。结果市政集中式供水、自建集中式供水、二次供水水质合格率分别为98.37%、85.19%、74.07%,以市政集中式供水水质合格率最高(P<0.01)。不合格的指标分别有菌落总数、总大肠菌群、浑浊度、游离性余氯。结论襄阳市城区生活饮用水水质基本符合国家生活饮用水卫生标准,应加强卫生监督监测,做好饮用水源保护,加速改造制水工艺和配水系统,保障饮用水卫生安全。
Objective To understand the sanitary status of different types of water supply units in Xiangyang City, understand the quality of their water supply and improve the suggestions for the existing problems. Methods The municipal centralized water supply, self-built centralized water supply of two water plants and secondary water supply units of 10 health management, water equipment to conduct a survey, select a representative urban secondary water supply, peripheral water, Factory water and water source water quality monitoring, the use of national drinking water health standards for evaluation. Results Municipal centralized water supply, self-built centralized water supply, secondary water quality pass rates were 98.37%, 85.19%, 74.07%, the highest municipal water quality qualified (P <0.01). Unqualified indicators were the total number of colonies, total coliform bacteria, turbidity, free residual chlorine. Conclusion The quality of drinking water in downtown Xiangyang basically conforms to the national drinking water health standards. Health supervision and monitoring should be strengthened so as to protect the source of drinking water, accelerate the reform of the water making technology and distribution system, and ensure the hygiene and safety of drinking water.