2011年青州市农村饮水安全工程卫生状况调查

目的]了解青州市农村集中式饮水安全工程的卫生现状,为实施农村饮水安全工程提供依据。方法]2011年,对青州市农村951处生活饮用水安全工程,每处于枯水期和丰水期各采集出厂水、末梢水1份,进行水质检测。结果]调查768处水源水,均为地下水,有767处未对水源水进行处理。检测951处生活饮用水安全工程的水样1 690份,水样检测总体合格率为21.18%。水样合格率,出厂水、末梢水为21.24%、21.14%(P>0.05);城市管网延伸工程为40.00%,联村供水工程为15.79%,单村供水工程为20.91%(P<0.05)。硝酸盐、细菌总数、总大肠菌群、耐热大肠菌群超标率分别为20.65%和46.75%、61.36%、55.56%。结论]青州市农村饮水安全工程水质合格率低,水源受污染严重。

Survey on Rural Drinking Water Safety Projects and the Status of Hygienic Quality of Water,Qingzhou City,2011

Objective]To understand the status of rural drinking water safety projects,so as to provide scientific basis for construction of rural drinking projects.Methods]In 2011,the water samples were collected and tested from the finished water and twig water in dry season and rain season in 951 rural drinking water safety projects.Results]A total of 768 source water surveyed were all underground water,767were not disinfected.1 690 water samples from 951 rural drinking water safety projects were detected,the passing rate of water was 21.28%,the passing rate of finished water and twig water was 21.24% and 21.14%(P>0.05);and was 40.00%,15.79%,and 20.91%(P<0.05)in city network expansion projects,closely village water projects,a village water projects.The rate above the norm in nitrates,the total bacteria,total colony,coliform group was 20.65%,46.75%,61.36%,and 55.56%.Conclusion]The qualified rate o f drinking water is lower in rural areas of Qingzhou city,the water sources are seriously contaminated.