摘要
目的了解花都区生活饮用水水质卫生状况。方法对2004年花都区疾病控制中心检测的468宗生活饮用水的检测结果进行分析。结果468宗生活饮用水的总合格率为67.09%,各类生活饮用水的合格率分别为:集中式供水为79.31%,二次供水为64.73%,井水为56.44%(χ2=16.75,P<0.05)。集中式供水的不合格项目主要表现在:游离余氯、浑浊度、细菌总数三项。二次供水的不合格项目主要表现在细菌总数、游离余氯、总大肠菌群、浑浊度、嗅和味、肉眼可见物六项。井水的不合格项目主要表现在:pH、锰、浑浊度、细菌总数、肉眼可见物、总大肠菌群和铁七项。结论花都区的生活饮用水卫生状况存在较大隐患,需加以改善。
Objective To understand the hygienic conditions of drinking water quality in Huadu District of Guangzhou City. Methods The results of 468 various drinking water samples detected by Huadu District Center for Disease Control and Prevention in 2004 were analyzed. Results The total qualification rate of the 468 drinking water samples was 67.09%. The qualification rates of collective supply water, the second level supply water and the well water were 79.31 %, 64.73% and 56.44%, respectively （x^2 = 16.75, P 〈 0.01）. The unqualified items of coUeetive supply water were free chlorine, turbidity, total number of bacteria. The unqualified item of second level supply water were total number of bacteria, free chlorine, total number of E. coli, turbidity, smell and taste and objects recognizable with naked eyes. The unqualified items of well water were pH value, Magnesium, turbidity, total number of bacteria, objects recognizable with naked eyes, total number of E. coli and Iron. Conclusion There is potential harmfulness in various drinking supply water and the drinking water quality in Huadu District be improved.
出处
《中国热带医学》
CAS
2005年第8期1755-1756,共2页
China Tropical Medicine
关键词
生活饮用水
水质
卫生状况
Drinking water
Water quality
Hygienic condition
