延边朝鲜族自治州2005—2010年生活饮用水检测结果分析

Analysis on quality surveillance results of drinking water in Yanbian from 2005 to 2010

[目的]了解延边朝鲜族自治州居民饮用水的水质卫生状况.[方法]对延边朝鲜族自治州部分饮用水进行取样,按照卫生部《生活饮用水卫生规范(GB 5749-2006)》进行检测,包括微生物学指标、毒理学指标、感官性状及一般化学指标.[结果]饮用水微生物学指标合格率较低,仅为73.5%;不同年份饮用水理化指标不合格率间差异具有统计学意义;不同水源水样理化指标不合格检出率间差异具有统计学意义,其中桶装水合格率最低.[结论]延边朝鲜族自治州居民生活饮用水微生物污染较严重,卫生质量不高.

OBJECTIVE To investigate the sanitary conditions of drinking water quality m Yanbian. METHODS Samples of drinking water from 2005 to 2010 were detected according to Standards for drinking water quality （GB 5749-2006） by the Ministry of Health of China, detective indexes including microbiology, toxicology, sensory characteristics and the general chemical index. RESULTS The qualified rate for indexes of microbiology was low of only 73.5%, and there were statistically significant difference in toxicology, sensory characteristics and the general chemical index in different years, and detection rate of physicochemical indexes were statistically significant difference between water samples in different source of water, especially the detection rate of bottled water was lowest. CONCLUSION The drinking water in Yanbian has serious microbial pollution, and the water quality is not high.