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目的调查了解株洲市生活饮用水水质卫生状况,为提高生活饮用水卫生质量提供科学依据。方法按GB/T 5750-2006《生活饮用水标准检验方法》对不同水样进行分析,检测结果按GB 5749-2006《生活饮用水卫生标准》进行评价。结果2014-20 15年共检测水样1 736份,合格1 624份,总合格率93.55%。按合格率排序:市政出厂水>管网末梢水>二次供水>直饮净水>井水。菌落总数、游离余氯、大肠菌群指标不合格是水质检测不合格的主要原因。结论株洲市区总体供水情况良好,基本符合CB 5749-2006的要求。对于合格率低的水样,分析调研,找到问题的根源,确保人们能够饮上放心水而努力。
Objective To investigate and understand the sanitary status of drinking water quality in Zhuzhou City and provide scientific basis for improving the hygiene quality of drinking water. Methods According to GB / T 5750-2006 Standard Test Method for Domestic Drinking Water, different water samples were analyzed. The test results were evaluated according to the standard of drinking water GB 5749-2006. Results A total of 1 736 water samples were obtained during the period of 2014-2015, which qualified 1 624 samples with a total pass rate of 93.55%. Sort according to the pass rate: Municipal factory water> Pipe network peripheral water> Secondary water supply> Direct drinking water> Well water. The total number of colonies, free residual chlorine, coliform indicators of failure is the main reason for water quality testing failed. Conclusion The overall water supply in Zhuzhou City is in good condition and basically meets the requirements of CB 5749-2006. For low-qualified water samples, analyze the research to find the root cause of the problem and ensure that people can work hard to drink safe water.