2011年江苏金坛市农村生活饮用水卫生监督检测分析报告

Analysis of health supervision and detection results of rural drinking water in Jintan city of Jiangsu in 2011

目的:进一步掌握我市农村生活饮用水水质情况。方法:2011年采集我市18家农村集中式供水单位的出厂水和未梢水水样共116件参照GB/T5750-2006、GB/T5749-2006进行监测分析。结果:合格水样90件,不合格水样26件,合格率为77.6%,不合格项指标有浊度、氨氮、耗氧量、三氯甲烷。结论:2011年我市农村生活饮用水水质合格率较低是由饮用水水源富营养化、制水工艺落后、供水管网老化等方面原因引起的。

Objective：To further grasp the condition of drinking water quality in rural area of Jintan city. Methods： In 2011, referring to GB/T5750 -2006 and GB/T5749 -2006, 116 treated water and tap water samples were collected from 18 centralized water - supply enterprises in villages for monitoring and analysis. Results： There were 90 qualified water samples and 26 unqualified cases. Unqualified indexes were turbidity, ammonia nitrogen and oxy- gen consumption, chloroform. Conclusion： In 2011, the low qualified rate of rural drinking water quality resulted from eutrophication of drinking water source, lag in produce technics, ageing of water supply network and so on.