摘要
目的通过对2017年-2019年淳安县农村生活饮用水水质情况及影响因素分析,为淳安县农村饮用水达标提供科学依据。方法采集2017年-2019年该县1865份农村集中式生活饮用水样本,检测24项指标;同时比较水期类型、水源类型、供水方式、运行时间、总投资、供水规模等影响因素。结果2017年-2019年该县农村生活饮用水逐年合格率分别为20.17%、36.33%和62.57%,其中不合格指标分别为游离余氯、菌落总数、总大肠菌群、耐热大肠菌群、浑浊度和肉眼可见物。不同水期类型、水源类型、供水方式、供水规模的水样合格率差异有统计学意义(P<0.01)。多因素Logistic回归分析显示水塔的运行时间和总投资是农村生活饮用水水质的保护性因素(P<0.01)。结论淳安县实施农村生活饮用水达标提标建设后水质合格率显著提高,水厂的运行时间和总投资是影响水质合格率的主要因素,应重视人员长期培训和加大投资。
Objective To analyze the quality of drinking water in rural areas of Chun’an county in 2017-2019 and its influencing factors,so as to provide scientific basis for the decision-making of improving rural drinking water quality.Methods A total of 1865 rural centralized drinking water samples were collected from 2017 to 2019,and 24 parameters were detected.Meanwhile,the influencing factors such as water period type,water source type,water supply mode,operation time,total investment and water supply scale were compared.Results In 2017-2019,the qualified rates of drinking water samples in rural areas of the county were 20.17%,36.33%and 62.57%,respectively and the unqualified parameters were free residual chlorine,standard plate-count bacteria,total coliforms,thermotolerant coliform bacteria,turbidity and visible matter with naked eyes.There was statistical significance on the differences in the qualified rate of water samples in different water period,water source,water supply mode and water supply scale(P<0.01).Multifactor Logistic regression analysis shows that the operation time and total investment of water tower are the protective factors of drinking water quality in rural areas(P<0.01).Conclusion In Chun’an County,the qualified rate of rural drinking water quality has increased significantly with the implementation of the standard raising construction.The operation time and total investment of the water plant are the main factors affecting the qualified rate of water quality,so long-term training and investment of personnel should be emphasized.
作者
章美
鲍庆汉
吴黎明
姜朝明
徐珊珊
ZHANG Mei;BAO Qing-han;WU Li-ming;JIANG Chao-ming;XU Shan-shan(Chun'an County Center for Disease Control and Prevention,Chun'an,Zhejiang 311700,China)
出处
《中国卫生检验杂志》
CAS
2021年第7期870-872,共3页
Chinese Journal of Health Laboratory Technology
关键词
农村生活饮用水
水质监测
影响因素
Rural drinking water
Water quality surveillance
Influence factor
