某市市区二次供水和出厂水水质分析

Analysis on the water quality of second water supply and treated water in one city

目的了解某市区二次供水及出厂水的污染状况,找出相应的防治对策。方法选取有代表性的城区二次供水和出厂水进行水质监测,采用国家标准进行评价。结果所监测的各项指标合格率较高,大多数达到100%,其中二次供水主要不合格指标为浑浊度和硝酸盐,合格率分别为86.7%和98.7%,出厂水主要不合格指标为氟化物和硝酸盐,合格率分别为92.3%和46.2%。结论各单位二次供水和出厂水总体情况良好。饮用水对人们日常生活的重要性不容忽视,应积极有效的预防各种水污染,防止介水传染病的暴发流行。

Objective To observe the pollution status of second water supply and treated water and to find out the prevention strategy. Methods The representative samples of second water resources and treated water were selected. The quality of water was evaluated by the national standard. Results Most of the indexes levels of the safety standard and can be up to 100%, the eligible indexes of second water supply was 86.7% and 98.7%, and the eligible indexes of treated water were 92.3% and 46.2%. Oonclusion The general status about second water resources and treated water were good. It is rather significant for citizens＇ daily lives. Therefore, it was very critical to prevent water pollution and the outbreak infectious diseases via water.