2009年费县学校饮用水卫生状况调查

目的]了解费县学校饮用水卫生状况,保证在校师生饮用水卫生安全。方法]2009年8月,对费县辖区内59所各类学校饮用水卫生状况进行调查,采集水样进行检验。结果]检测水样106份,各项指标全部合格的69份,合格率为65.09%。水质合格率,集中供水为82.14%,自备供水为58.97%（P〈0.05）;水源水为65.96%,末梢水为62.71%（P〉0.05）。检测指标中,不合格指标有细菌总数、大肠菌群、硝酸盐、总硬度、氯化物、浑浊度,不合格率分别为26.42%、23.58%、11.32%、5.66%、0.94%、0.94%。结论]费县学校饮用水卫生状况较差,水源受到微生物污染,消毒措施不落实是水质不合格的主要原因。

Investigation on Hygienic Status of Drinking Water at Schools of Fei County in 2009

Objective]To know the sanitation of drinking water in Fei county,and ensure the sanitation and safety of drinking water for teachers and students.Methods]Investigation was made on the sanitation of drinking water in 59 schools of different types in Fei county,and water samples were collected to test the water quality.Results]Among 106 water samples tested,69 with all indexes qualified,and the passing rate was 65.09%.The qualified rate was 82.14% for centralized water supply,58.97% for self-water supply（P〈0.05）.The unqualified indexes included the total number of bacteria,coliform,nitrate,total hardness,chloride,and turbidity.The corresponding failure rates were 26.42%,23.58%,11.32%,5.66%,0.94%,and 0.94% respectively.Conclusion]The water sanitation is poor at schools of Fei county,the sources of water are contaminated by microorganisms,the failure in disinfection measures are the main reason for the unqualified water quality.