桐庐县生活饮用水免费检测结果与分析

Free examining result and analysis of drinking water in Tonglu

目的:建立我县生活饮用水免费检测制度,确保城乡广大市民生活饮用水的卫生安全。方法:水样的采集、保存与检验方法按GB/T5750-2006《生活饮用水标准检验方法》中的有关规定要求进行;检测结果按GB5749-2006《生活饮用水卫生标准》进行评价。结果:城镇集中式供水出厂水合格率为96.9%,管网水合格率为96.2%。农村集中式供水站合格率为58.9%;农村学校及幼儿园饮用水合格率为60.1%。结论:城镇集中式供水水质较好;农村供水站及其学校幼儿园饮用水合格率仍偏低,其中游离余氯达不到卫生要求,是饮用水微生物指标超标的主要原因。

Objective： The system of free examination for drinking water in Tonglu country was established,insuring hygienic safety of drinking water for large citizen in city and country.Methods：Water sample was collected,kept and examined according to the relevant provision of GB/T5750-2006 《standard examination methods for drinking water》;the examination of water sample was proceeded according to GB5749-2006 《standard for life drinking water quality》.Results：96.9% of central water supply in Town met the standard and 96.2% of table-water was also qualified.However,only 58.9% of central water supply in Village met the standard and 60.1% of drinking water in Village school and kindergarten was qualified.Conclusion：The quality of central water supply in town is relatively good the qualified rate of central water supply in village and its school and kindergarten drinking water are still low as the free chlorine residuals in the water could not meet the standard which was the main reason of excessing microorganism of drinking water.