青岛市农村供水水质现状评价及影响因素研究

Study on the water quality evaluation and influence factors for water supply at countryside in Qingdao

利用青岛市2007年9月-2008年8月农村供水水质监测资料,采用单指标评价法,评价了青岛市农村供水的水质状况、分析了污染程度以及主要影响因素。评价结果表明,青岛市农村供水普遍存在硝酸盐氮、总硬度和溶解性总固体、氟化物和微生物等含量超标现象。结合调查数据和农村供水工程的情况,查明了影响农村供水水质的主要因素为:农业活动的非点源污染、自然地质构造以及部分乡镇自来水厂设施不良或管理不善。

Based on the monitoring data for the water supply quality in countryside of Qingdao from September,2007 to August 2008,the paper evaluated the water quality and analyzed the pollution degree and the main influence factors by using the single evaluation indicator method.The results of evaluation showed that the main pollution factors were nitrate,total hardness,TDS,microbe and so on.The main effect factors were agricultural non-point source pollution,geological structure,bad installations and poor management in some water supply projects at countryside.