银川市2011-2012年农村饮用水水质监测结果分析  

Rural drinking water quality monitoring results analysis of Yinchuan city during 2011-2012

作　　者：陈晓莉[1] 张居慧[1] 郭敏[1] 王红娅[1] 

机构地区：[1]银川市疾病预防控制中心,宁夏750011

出　　处：《医学动物防制》2015年第8期901-903,906,共4页Journal of Medical Pest Control

摘　　要：目的了解和掌握银川市(3区2县1市)农村饮用水水质卫生状况。方法按照卫生部《生活饮用水标准检验方法》(GB/T 5750-2006)进行检验,按照《生活饮用水卫生标准》(GB 5749-2006)进行评价。结果 2011-2012年共采集检测水样618份,各项指标合格率为62.94%,其中超标率较高的项目主要是氨氮、菌落总数、浑浊度、铁、锰、总硬度、氯化物、硫酸盐等。2011年和2012年农村水水质合格率差异无统计学意义;丰水期和枯水期合格率差异无统计学意义;浅井水水质合格率明显低于深井水和泉水水质,差异有统计学意义;各区县间合格率差异有统计学意义,西夏区、灵武市、贺兰县水质整体优于兴庆区、金凤区和永宁县。结论银川市农村饮用水水质存在一定安全隐患,建议相关部门在新建水厂时要选择优质水源,加强集中式供水管理和监督检测工作,提高全民用水卫生意识,使广大农村居民喝上放心的水。Objective To know the status of rural drinking water quality in Yinchuan. Methods All indicators were detected according to Standard test methods of drinking water （GB/T 5750 -2006） . The results were evaluated according to Drinking water health standards （GB5749 -2006） . Results 618 water samples were collected and analyzed, the passing rate was 62. 94%, the main exceeding indicators were nitrite nitrogen, total bacteria, turbidity, iron, manganese, total hardness, chloride, and sulfate, etc. The difference between the passing rates of 2011 and 2012 was not statistically significant. There was no statistically significant difference between chlorinated water and peripheral water either. Passing rates of deep well, shallow well and spring water samples were significantly different between each other, and the rate of shallow well was much higher than those of the other two. Water quality of Xixia district, Lingwu city and Helan county were much higher than those of Xingqing district, Jinfeng district and Yongning county. Conclusions There were some potential secure problems exist in drinking water in rural areas in Yinchuan city. Suggestions selecting high quality wellhead, promoting centralized management and monitoring, and improving water sanitation awareness among residents have been given to make sure that the rural residents would be supplied secure drinking water in future.

关 键 词：农村 生活饮用水 监测 

分 类 号：R123.9[医药卫生—环境卫生学]