临湘市中小学饮用水水质现状及介水传染病发病情况分析

Current situation of drinking water and water-borne communicable infection in the primary and middle schools of Linxiang City

目的了解临湘市中小学校饮用水的水质质量及介水传染病的发病情况,为进一步改善饮水质量、保护学生的身心健康提供科学依据。方法选取临湘市14所中小学校,对生活饮用水按照国家水质分析标准方法进行水质分析,并按照拟定的调查表对学生进行介水传染病的发病情况调查。结果该市中小学校饮用水合格率仅为78.57%,其中水质不合格主要原因为粪大肠菌群超标;14所学校近1 a饮水学生的肠炎、细菌性痢疾、甲型肝炎的发病率分别为1.80%,0.19%,0.06%。结论临湘市中小学校的生活饮用水存在粪大肠菌污染隐患。

Objective To research the condition of water quality and the incidence of water-borne infection of the primary and middle schools of Linxiang city, and to provide scientific basis for improving drinking water quality and protecting students＇ physical and mental health. Methods Selecting drinking water samples from 14 primary and middle schools of Linxiang city, the national standard method was used to analyze the quality of the water, and were surveyed by a self-designed questionnaire the incidence of water-borne infection diseases. Results The qualification rate of drinking water was 78.57% , the fecal coliform exceeded the standard in unqualified water. According to the research, in the recent one year, the incidence of enteritis, bacillary dysentery and hepatitis A were 1.80%, 0.19% and 0.06% in the 14 schools. Conclusion Drinking water of the pri- mary and middle schools of Linxiang city is polluted by the fecal coliform.