汉中市城乡生活饮用水水质监测结果分析

Analysis results of urban and rural life drinking water quality monitoring in Hanzhong city

目的:了解汉中市城乡生活饮用水卫生质量状况,为相关部门制定改进措施提供科学依据。方法:按照卫生部《生活饮用水卫生标准》GB5750-2006进行检验和评价。结果:2003年-2010年共检测水样665份,合格样品439份,合格率为66.02%,各年度合格率均在50%以上,经统计学处理,8年合格率比较,无显著性差异(2χ=10.17P>0.05)。结论:汉中市城乡生活饮用水卫生检测多项指标合格率较高,但细菌学指标合格率较低。江河、水库、山泉已遭受不同程度污染,表明地表水源受人畜粪便、生活垃圾等严重污染。本地区水源卫生防护、消毒措施有待加强。

Objective：By exploring the status of Hanzhong urban and rural life drinking water sanitary quality to provide scientific basis for improvement.Methods： According to the ministry of health standard of living and drinking water GB5750-2006 inspection and evaluation.Results： 665 water samples were tested in 2003-2010.439 cases were qualified,the qualified rate was 66.02%.Every annual qualified rate were more than 50%.by statistical processing,8 years qualified comparison,no significant difference（χ2=10.17 P0.05）Conclusion： Rivers,reservoirs and mountain spring have suffered from pollutions of different degree.It shows that the surface water was polluted by human and livestock waste and life rubbish.This area water health protection,disinfection measures have to be strengthened.