湖南某县中小学校生活饮用水现状及其与肠道传染病的关系

INVESTIGATION ON DRINKING WATER QUALITY AND ITS RELATIONSHIP WITH ENTERIC INFECTIOUS DISEASE IN ELEMENTARY AND SECONDARY SCHOOLS IN A COUNTY OF HUNAN POVINCE

目的了解湖南某县中小学校生活饮用水现状及其水质状况与肠道传染病的关系,为决策部门改善饮用水质量,保障学生身心健康提供科学依据。方法用分层随机整群抽样的方法在该县选择22所中小学校的生活饮用水,按照国家标准方法进行水质分析,采用自制的调查表进行饮水与学生肠道传染病关系的调查。结果①该县22所中小学校饮用水水源类型中自来水占9.1%(2/22);浅井水占54.5%(12/22)、深井水占36.4%(8/22)。②有2所学校的饮用水混浊度、铁、锰超标,有4所学校的总大肠菌群和菌落总数超标,且均为浅井水。③饮用水水质合格的水源肠道传染病的发病率(0.1%)比不合格(2.5%)的低。结论该县中小学校的生活饮用水的水质还存在一些问题,饮用水状况有待进一步改善。

Objective To understand drinking water quality and its relationship with enteric infectious disease in elementary ＆ secondary schools in a county of HuMan Province, to provide scientific basis for improving drinking water quality and ensuring students＇ health. Methods Twenty - two elementary and secondary school was selected by stratified random cluster sampling method, drinking water quality was analyzed according to national standard, relationship between water quality and enteric infectious disease was investigated by questionnaire. Results A percentage of 9.1 of 22 selected school use tap water as their water source, while 54.5% use shallow well water, 36.4% use deep well water. Turbidity,iron and manganese of 2 schools and total coli group and total numbers of colony of 4 schools were found over the standard. The enteric infection incidence in schools that have qualified drinking water （0.1% ） was lower than those who drinks unqualified water （ 2.5% ）. Conclusion There are some problems about drinking water quality in elementary ＆ secondary schools in the county, drinking water quality needs to be improved.