呼和浩特市2014年城市饮用水监测结果分析

Analysis of Drinking Water Quality in Hohhot City in 2014

目的了解呼和浩特市2014年生活饮用水卫生状况,为提高居民生活饮用水质量提供科学依据。方法按照GB/T5750-2006《生活饮用水标准检验方法》采集的不同类型生活饮用水进行检测。结果呼和浩特市2014年检测生活饮用水406份,合格316份,合格率为77.83%,其中出厂水合格率为91.67%,二次供水合格率为60.53%,末梢水合格率为59.38%,学校自备水合格率为96.62%;出厂水与学校自备水的合格率均高于二次供水和末梢水的合格率;经检测,水质中消毒剂指标、微生物指标合格率较低。结论呼和浩特市出厂水和学校自备水水质卫生状况尚可,但末梢水和二次供水卫生状况不容乐观,应加强管网和二次供水系统的管理及饮用水的消毒工作,并加大饮用水卫生安全。

Objective To investigate the qua Iity of drinking water in Hohhot, and to provide a scientific basis for improving the residents＇ drinking water quality. Methods Diffierent drinking water samples were detected according to Standard Test Method for Drinking Water（GB/T5750-2006）. Results Among the 406 water Sample detected in Hohhot in 2014, 316 samples were qualified, with the qualified rate of 77.83%, the qualified rate of the factory water was 91.67%, the qualified rate of the secondary water supply was 60.53%, the qualified rate of peripheral water was 59.38%, the qualified rate of school water was 96.62%, the qualified rate of the factory water and school water were higher than that of secondary watersupply and peripheral water, respectively, the qualified rate of disinfectant indicators and microbiology indicators were lower. Conclusions Health conditions of the factory water and 1 school water were fair, but the health conditions of secondary water and peripheral water were not optimitic technical guidance, the management of pipe net and secondary water supply system and disinfection of drinking water should be improved, and intensify the drinking water safety.