兰州市三郊县农村集中式供水水质卫生现状调查

An investigation of water quality situation of concentrative water supply system of countryside of 3 countries in Lanzhou city

目的:了解兰州市永登县、榆中县及皋兰县(三郊县)农村集中式供水点(检测点)供水现状,为我市进一步进行农村改水工作,制定农村饮水安全工程规划,保障农民身体健康提供科学依据。方法:对兰州市三郊县61个检测点基本情况进行现场调查,并进行水质检测分析。结果:被调查的61个检测点中,72.1%的检测点采用地下水水源,82%的检测点未进行水处理,85.2%的检测点无任何消毒设备,未进行任何方式消毒;水样合格率为32.8%,以菌落总数超标率最高,达49.2%;丰水期水质明显差于枯水期(P<0.05)。结论:兰州市三郊县农村集中式供水水质卫生状况较差,应加强农民群众饮水卫生知识的教育,保护水源不受污染,同时加强饮水的净化和消毒,加强水质监测。

Objective：To understand the situation of concentrative water supply system of countryside（monitoring point） of Yongdeng,Yuzhong and Gaolan country（3 countries） in Lanzhou city,and provide scientific basis for indemnification of the healthy of farmers.Methods： To investigate general situation of 61 monitoring points of 3 countries in Lanzhou city,and analyze the water samples.Results： There are 72.1% of monitoring points using the groundwater,and 82% without water purification,and 85.2% without disinfection among 61 monitoring points;The qualification rate of water samples is 32.8%,the unattainment rate of total numbers of colony is 49.7%,which is higher than the unattainment rates of others;The water quality during rainy season is worse than dry season（P0.05）.Conclusion： The situation of concentrative water supply system of countryside is very bad in 3 countries of Lanzhou city.Farmers should be given training of healthy drinking water,at the same time,water monitoring should be strengthened.