南宁市邕宁区农村生活饮用水中微生物检测结果分析

Analysis of microbiological test results in rural drinking water in Yongning District of Nanning City

目的分析南宁市邕宁区2008—2011年农村集中式供水卫生状况,为城区政府实施和评估农村饮水安全提供科学依据。方法对南宁市邕宁区2008—2011年农村生活饮用水水样进行微生物指标检验和评价。结果 4年共检测农村生活饮用水236份,合格55份,总合格率为23.31%;每年合格率分别为20.54%、22.72%、25.00%、30.00%。细菌总数合格率为40.68%,总大肠菌群合格率为39.41%,耐热性大肠菌群合格率为42.80%。结论邕宁区农村生活饮用水水质受污染严重,应加大对农村生活饮用水的管理和监测力度,保障农村饮水安全。

[ Objective] To analyze the sanitary status of centralized water supply in rural areas in Yongning District of Nanning City from 2008-2011, and provide scientific evidence for implementation and evaluation of rural drinking water safety by local government. [ Methods] Microbiological testing and evaluation was performed on samples of rural drinking water Yongning District of Nan- ning City from 2008-2011. [ Results ] A total of 236 samples of rural drinking water were tested in 4 years, with total qualified rate of 23.31%. The qualified rate of each year was 20.54 % , 22.72 % ,25.00 % ,30.00% , respectively. The total qualified rate of total bacteria, total coliforms and heat-resistant coliform was 40.68% ,39.41% ,42.80%, respectively. [ Conclusion] The pollu- tion status of rural drinking water is serious in Yongning District. It is necessary to enhance the management and supervision of rural drinking water and to ensure drinking water safety in rural areas.