呼和浩特市饮用水微生物指标监测结果分析

目的 了解呼和浩特市生活饮用水水质卫生状况,进一步提高水质卫生质量,确保饮水安全提供科学依据.方法 按照国家有关标准方法,对呼和浩特市2009-2011年生活饮用水进行监测,对微生物指标菌落总数和总大肠菌群监测结果进行统计分析和评价.结果 三年共监测水样1746份,微生物指标合格率为83.33％,其中出厂水合格率最高,为96.91％;农村水合格率最低,为33.70％.末梢水、自备水第三季度水质合格率较低,有统计学差异(p＜0.01).结论 呼和浩特市生活饮用水存在不同程度的微生物污染,尤其是农村水污染较为严重,相关部门和监管单位要加大力度,采取相应措施,加强卫生管理,保障饮水卫生安全.

Analyses on monitoring of drinking water microbiological index in Huhehaot city

Objective. to understand the water quality santiary condition and improve sanitary quality of drinking water to provide scientific basis for ensure the safety of drinking water. Methods to analysis and evalvation the monitoring results for drinking water of the microbiological index including the total coli group and tolal amount of bacteria during 2009-2011 in hohhot. Results 1 746 facilities for drinking water were tested, the qualified rate of microbiological index was 83.33%, of which,the highest and lowest qualified rates were finished water 96.91% and Rural Water 33.70% respectively. The qualified rate of tap water and self-prepared water were lower and the difference was significant （p〈0.01）. Conclusion the drinking water was polluted by microorganism in different degree, one of its most severe water pollution was Rural Water. Relevant departments and supervision authorities should take some mesures to enhance hygiene management to guarantee the safety of drinking water.