某市2013年饮用水监测结果分析

Analyses of the drinking water Monitor Results city in 2013

目的分析生活饮用水水质状况,为提高水质质量提供科学依据。方法根据国家相关标准的要求进行水样采集、运送、检测和分析评价。结果 2013年共检测水样264份,合格率为64.39%;市政出厂水、末梢水、二次供水中合格率最高的为出厂水97.92%,最低的为二次供水55.00%(χ2=29.264,P﹤0.05);2013年水质不合格项目以游离余氯为主;2012年与2013年水质合格率最低季度均为第一季度(分别为60.61%和56.06%)。结论自建如意水厂水质卫生状况最好,其次出厂水、末梢水、二次供水,自建蒙吉利水厂合格率最低。相关供水部门和监管单位要加强水质卫生管理,严把供水水质质量,保障生活饮用水的卫生安全。

Objective Analyses of the drinking water quality, which will provide a scientific basis for improve water quality. Methods According to the relevant national standards for water sample collection, transportation, testing and analysis evaluation. Results Total of 2013 water samples is 264, is 64.39%. the highest percent of pass（97.92%） among Municipal off-work water、pipe water and secondary water supply is Municipal off-work water, the lowest percent of pass（55.00%） is the secondary water supply（χ^2=29.264, P〈0.05）; In 2013, the water quality is unqualified project is given priority to with free residual chlorine： In 2012 and 2013 the lowest water qualified rates are all the first quarter（60.61% and 56.06%, respectively）. Conclusion The best water health quality is Self-built ruyi waterworks, Secondly, off-work water and pipe water, secondary water supply, the lowest water qualified rate is Self-built mengjili waterworks. Related water supply departments and regulators should strengthen water quality health management, strictly the quality of water supply quality, to ensure the safety of drinking water health.