偃师市2010年生活饮用水水质监测结果分析

Yanshi 2010 drinking water quality monitoring results

目的:了解偃师市生活饮用水的基本状况,为实施农村供水、改水提供科学依据。便于今后科学制定饮水规划和采取防病措施。方法:收集2010年的检测资料,对偃师城区和16个乡镇的供水水质状况进行抽样检验,按照国家标准委和卫生部联合发布的GB5749-2006《生活饮用水卫生标准》中的要求进行评价。结果:我市城区主要饮用经过消毒处理的集中式供水,合格率较高,出厂水合格率100%,管网末梢水合格率90%;而农村生活饮用水以饮用未经任何处理的集中式供水为主,水质合格率偏低,全年总合格率仅46.7%,其中枯水期出厂水、末梢水的合格率均为63.2%,丰水期出厂水合格率为31.6%、末梢水的合格率为28.9%。结论:偃师城区生活饮用水水质良好,能够满足居民健康需求;偃师农村生活饮用水水质合格率偏低,微生物污染为本市农村生活饮用水污染的主要类型,本市农村存在着介水传染病流行的潜在危险;必须进行适当净化和消毒处理,加强对饮水水源的卫生防护,保护农村居民身体健康。

Objective：Learn the basic drinking water Yanshi conditions for the implementation of rural water supply,improving water to provide a scientific basis.To facilitate future scientific development of water plans and to take prophylactic measures.Methods： The test data collected in 2010,on the Yanshi city and 16 towns of the state of water quality sampling,in accordance with the National Standards Commission and the Ministry of Health jointly issued the GB5749-2006 ＂drinking water health standards＂ in the evaluation of the requirements.Results： After a major urban city drinking water disinfection centralized,high pass rate,100% pass rate finished water,the water pipe network peripheral 90% pass rate;and rural drinking water to the concentrated drinking without any treatment the main water supply,water quality,low passing rate,the annual overall pass rate was only 46.7%,dry season which finished water,the passing rate of peripheral water were 63.2%,wet pass rate of 31.6% of finished water,the water passing peripheral rate was 28.9%.Conclusion： Yanshi good drinking water quality of urban life,can meet the health needs of residents;Yanshi drinking water in rural areas the low passing rate microbial contamination of drinking water in rural areas for the city＇s main types of pollution in the city there are water-borne rural potential risk of epidemic;Cleaning and disinfection must be properly handled to enhance the health of drinking water protection,protection of health of rural residents.