2013年—2015年厦门市城市生活饮用水水质监测结果分析

Analysis on Monitoring Results of Drinking Water Quality in Xiamen Urban Area from 2013 to 2015

目的了解厦门市生活饮用水卫生状况,为保障居民生活饮用水安全提供科学依据。方法依据国家标准,对2013年—2015年厦门市的出厂水、末梢水、二次供水监测结果进行分析和评价。结果 2013年—2015年共采集检测水样1 494份,合格1 196份,合格率为80.05%,其中出厂水的合格率100.00%;管网末梢水的合格率81.79%;二次供水的合格率75.83%,不合格指标集中为游离余氯、菌落总数、浑浊度、铁及总大肠菌群。结论厦门市生活饮用水卫生质量有待提高,应进一步加强监管。

Objective To understand the sanitary status of municipal drinking-water supplies in Xiamen,to provide scientific basis for the protection of the quality of drinking-water and health in residents. Method The results of finished water,terminal piped-water from centralized water supplies,and tap water from secondary water supplies in Xiamen City in 2013—2015 were evaluated according to the national standards. Results A total of 1 494 samples collected were examined. In which,1 196 samples were qualified with a qualification rate of 80. 05%. The qualification rates of finished water,terminal piped-water from centralized water supplies,and tap water from secondary water supplies were 100%,81. 79% and 75. 83% respectively. The unqualified indexes were mainly concentrated on free residual chlorine,total counts of bacteria,turbidity,iron,and total coliforms. Conclusion The sanitary quality of municipal water supplies of Xiamen should be improved,and the supervision should be further strengthened.