2010—2011年河南省安阳县农村生活饮用水现状

Analysis on present status of drinking water in rural areas of Anyang county of Henan from 2010-2011

目的了解安阳县农村生活饮用水安全与卫生状况,为政府部门改善农村饮用水水质提供科学依据。方法调查安阳县农村居民饮水方式,依据安阳县农村人口分布,随机抽取6个乡镇,以该6个乡镇共有的12处饮水安全工程作为水质调查点,该工程周边随机抽取30处分散式供水工程作为调查点,每个调查点按照丰水期、枯水期一年采2次样,连续采2年,水样检测依据《生活饮用水标准检验方法》(GB/T 5750-2006)、结果评价依据《生活饮用水卫生标准》(GB 5749-2006)。结果饮水安全工程监测48份,合格35份,合格率72.9%;分散式供水监测120份,合格37份,合格率30.8%。不合格项目有氟化物、氯化物、硫酸盐、总硬度、溶解性总固体、菌落总数和总大肠菌群。结论安阳县农村饮水卫生状况较差,农村饮水以分散式供水工程为主,应进一步加快农村饮水安全工程的建设,完善农村饮水安全工程建后管理,落实饮水安全的各项措施。

[Objective]To investigate the safety and sanitation of drinking water in rural areas in Anyang county,and provide scientific basis for government agency to improve rural drinking water quality.[Methods]The drinking modes of rural residents in Anyang county were investigated.Based on the population distribution of rural area,6 towns were selected at random,wherein 12 drinking water safety projects and 30 dispersed water supply projects were randomly selected nearby were taken as water quality investigation sites,each of which was sampled twice respectively in high flow period and low flow period every year,continuously for two years.Water samples were inspected in accordance with the Standard examination methods for drinking water（GB5750-2006） and results were evaluated in accordance with the Standards for drinking water quality（GB5749-2006）.[Results]Among 48 samples from drinking water safety projects,35 samples were qualified with the qualified rate of 72.9%.With respect to dispersed water supply projects,37 of 120 samples were qualified with the qualified rate of 30.8%.The unqualified items included fluoride,chloride,sulphate,total hardness,total dissolved solids,total number of bacterial colony and total coli-group.[Conclusion]Rural drinking water in Anyang county is at a low sanitary level and centered on dispersed water supply projects.Therefore,it is suggested to further expedite the construction of safe drinking water projects in rural areas of Anyang county,perfect the post-management,and implement all measures for safe drinking water.