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目的分析生活饮用水水质状况及变化趋势,为提高饮用水水质及卫生防护提供科学依据。方法依据GB5749-2006《生活饮用水卫生标准》对2007-2011年厦门市生活饮用水监测结果分析评价。结果共检测水样2 826份,合格2 210份,总合格率78.2%,合格率由2007年的47.3%提高到2011年85.5%。二次供水合格率最高85.6%,集中式供水78.0%,分散式供水最低34.2%,分散式供水存在严重生物污染,细菌总数和总大肠菌群超标率达57.4%和38.6%,浑浊度超标率36.4%。结论目前厦门市生活饮用水水质基本符合国标要求,应加强分散式供水卫生监管力度,加强生活饮用水微生物污染的预防控制。
Objective To analyze the status and trends of drinking water quality in order to provide a scientific basis for improving drinking water quality and hygiene protection. Methods Based on GB5749-2006 “Drinking Water Quality Standard”, the results of monitoring and evaluating the drinking water in Xiamen City from 2007 to 2011 were analyzed. Results A total of 2 826 water samples were tested, 2 210 were qualified and the total pass rate was 78.2%. The pass rate increased from 47.3% in 2007 to 85.5% in 2011. The secondary water supply rate of 85.6%, centralized water supply 78.0%, distributed water supply 34.2% minimum, distributed water supply serious biological contamination, the total number of bacteria and total coliform exceeded the rate of 57.4% and 38.6%, turbidity exceeded the rate 36.4%. Conclusion At present, the quality of domestic drinking water in Xiamen City basically meets the national standard requirements. The decentralized water supply hygiene supervision should be strengthened and the prevention and control of microbial contamination of domestic drinking water should be strengthened.