广州市海珠区2006—2009年生活饮用水监测分析

Monitoring Analysis of Drinking Water in Haizhu District of Guangzhou during 2006-2009

目的分析广州市海珠区2006—2009年管网末梢水和二次供水水质状况,探讨水质在不同年度、季节中的变化特点,为预防水污染事件的发生提供科学依据。方法对海珠区2006—2009年管网末梢水和二次供水水质监测资料进行统计分析,按照《生活饮用水卫生标准》、《生活饮用水标准检验方法》进行检验和评价。结果管网末梢水合格率87.67%,2009年合格率最低(77.11%),2006年合格率最高(97.62%)。二次供水的合格率为84.04%,年度间差异无统计学意义。结论该区生活饮用水水质卫生状况一般,应不断加强生活饮用水卫生管理,严控水污染事件的发生。

[Objective]To analyze the water quality of tap water and secondary water supply,study the changing characteristics in different years and seasons,provide a scientific basis for the prevention of water pollution incidents.[Methods]The monitoring data of water quality of tap water and secondary water supply in Haizhu district during 2006-2009 were analyzed statistically,the Standard Examination Methods for Drinking Water and the Standard for Drinking Water Quality was applied to test and evaluate.[Results]The qualified rate of tap water was 87.67% with the lowest in 2009 （77.11%） and the highest in 2006 （97.62%）.The qualified rate of secondary water supply was 84.04%,and there was no significant difference among years.[Conclusion]The water quality of drinking water is at a general level in this district.The health management of drinking water should be strengthened,and the water pollution incidents should be controlled strictly.