2009-2011年无锡市农村饮用水卫生状况分析

目的了解无锡市农村地区饮用水卫生状况,为改善农村饮水提供科学依据。方法 2009-2011年对无锡市农村饮用水进行监测,按照GB5749-2006规定的方法进行检测和评价。结果 2009-2011年无锡市农村饮用水合格率呈上升趋势,不合格项目为浑浊度、菌落总数、氨氮、耗氧量、锰。液氯和二氧化氯消毒效果优于漂白粉消毒,以江河水为水源的水质优于以水库水为水源的。结论应进一步加大小水厂制水工艺的改进,提高水质合格率。

Analysis on sanitary condition of rural drinking water in Wuxi from 2009 to 2011

Objective To understand the sanitary condition of rural drinking water in Wuxi,and proviod scietific basis for improving the water quality.Method Monitor the rural drinking water from 2009-2011,and do detection and evaluation according to GB5749-2006.Results The qualified rate of rural drinking water in Wuxi presented a rising trend.The unqualified items included turbidity,total bacteria,ammonia nitrogen,oxygen consumption and manganese.The disinfection effect of liquid chlorine and chlorine dioxide was better than that of bleaching powder.The water quality of river water was better than that of reservoir.Conclusions We should further improve the water technology of water plants,and improve the qulified rate of water quality.