2008年怀化市集中式农村饮水安全工程水质分析

Analysis on Water Quality of Centralized Water-supply Project for Rural Areas in Huaihua in 2008

目的了解怀化市集中式农村饮水安全工程水质及其卫生状况。方法随机抽取怀化市3个县、市、区的集中式农村饮水安全工程的出厂水、末梢水,分别在3月(枯水期)、7月(丰水期)进行监测,按国家标准进行评价。结果出厂水枯、丰水期合格率为44.1%、12.1%,末梢水枯、丰水期合格率为45.5%、26.3%。结论集中式农村饮水安全工程受人、畜、禽等粪便及自然因素影响较大,加强对农村饮水安全工程的监管、保护饮用水水源及完善净化消毒设施是解决农村饮水安全的根本办法。

Objective To understand the water quality and sanitary situation of centralized drinking water supply safety project in the rural areas of Huaihua.Methods The treated water and tap water were randomly collected from the rural centralized drinking water supply safety project in Hecheng District,Zhongfang County,and Hongjiang City as samples in March （dry season） and July （wet season）,and the samples were analyzed according to the national standard.Results The eligible rates of the treated water in dry and wet seasons were 44.1% and 12.1%,respectively.The eligible rates of the tap water in dry and wet seasons were 45.5% and 26.3%,respectively.Conclusions The rural centralized drinking water supply safety project is deeply impacted by natural factors and excrement from human,livestock and poultry,the fundamental ways to save rural drinking water safety are protecting water resources,improving purification and disinfection facilities,and strengthening surveillance on the rural centralized drinking water supply safety project.