江门市区2010—2011年生活饮用水水质检测结果

Monitoring result of drinking water quality in urban Jiangmen from 2010-2011

目的了解江门市区2010—2011年生活饮用水水质卫生状况,为改善水质提供科学依据。方法水样采集、保存和检验方法按GB/T 5750-2006《生活饮用水标准检验方法》中的有关规定进行。检测结果按GB 5749-2006《生活饮用水卫生标准》评价。结果江门市区生活饮用水水质2 a平均合格率为79.76%。8类水样中的出厂水合格率最高,为96.05%;其次管网水合格率为93.78%;再就是二次供水、桶装纯净水、直饮水、其他水、水源水和井水的合格率分别为92.98%、73.72%、70.90%、58.67%、42.44%和22.56%。合格率较低的项目主要是细菌总数(84.15%),其次是耐热大肠菌群(92.49%),其他项目的合格率较高。结论江门市区部分生活饮用水卫生指标超标较严重,尤其是井水、水源水、其他水、直饮水和桶装纯净水的卫生状况,应引起各级领导和有关部门的高度重视。

[Objective]To investigate the quality of drinking water in urban Jiangmen from 2010-2011,and provide scientific basis for improving drinking water quality.[Methods]In accordance with the relevant regulations of ＂Hygienic Standards of Drinking Water＂（GB/5749-2006） and ＂Standard Test Methods of Drinking Water＂（GB/5750-2006）,the water samples were collected,preserved and tested.[Results] The qualified rate of the drinking water of urban Jiangmen was 79.76% in average of 2 years.Among 8 kinds of drinking water,the qualified rate of the water from centralized water supply was the highest（96.05%）,followed by the water supply pipes（93.78%）,secondary supply water（92.98%）,bottled water（73.72%）,direct drinking water（70.90%）,other water（58.67%）,source water（42.44%）and well water（22.56%）.The health indicator with the lowest qualified rate was the total bacterial count（84.15%）,followed by the thermotolerant coliform bacteria（92.49%）,the qualified rates of other health indicators were relatively high.[Conclusion]The health indicators of drinking water of Jiangmen City exceeds the standard seriously,especially well water,source water,other water,direct drinking water,bottled water,which should attract more attention from concerned leaders and departments.