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目的:调查农村生活饮用水卫生状况,分析水质变化原因及简易鉴别。方法:水样的采集、保存、运输和检验按《生活饮用水卫生标准检验方法》(GB/T5750-2006)执行;水质检验结果评价按《生活饮用水卫生标准》(GB5749-2006)执行。结果:2010年水样不合格率为53.2%;2011年水样不合格率为27.9%,不合格项主要为硝酸盐氮、总硬度、铁、锰等12个单项。结论:迁安市农村饮用水污染严重,但2011年比2010年水质合格率大幅上升,饮水安全得到重视,今后要加大监督、监测力度,增强人民的饮水卫生安全意识。
Objective: To investigate the sanitary status of drinking water in rural areas, analyze the causes of water quality changes and simple identification. Methods: The collection, storage, transportation and inspection of water samples shall be carried out according to the “Standard Test Method for Drinking Water Quality” (GB / T5750-2006); the evaluation of water quality test results shall be carried out in accordance with the Standard of Sanitary Standard for Drinking-water (GB5749-2006). Results: The unqualified rate of water samples in 2010 was 53.2%. The unqualified rate of water samples in 2011 was 27.9%. The unqualified items were mainly nitrogen nitrate, total hardness, iron and manganese. Conclusion: Rural drinking water in Qian’an City was seriously polluted. However, the passing rate of water quality in 2011 was significantly higher than that in 2010, and the safety of drinking water was taken seriously. Supervision and monitoring should be stepped up in the future, and people’s drinking water hygiene and safety awareness should be enhanced.