晋城市区2011-2015年末梢水和二次供水水质分析

Analysis of water quality of municipal tap water and secondary water supply in Jincheng, 2011-2015

目的为了解晋城市的市政供水和二次供水的卫生状况,为卫生监管提供科学依据。方法收集2011-2015年市政管网末梢水和二次供水的定期监测结果进行分析。结果水质监测合格率为85.3%,合格率基本上逐年递增,二次供水低于市政管网末梢水的合格率,不合格项目主要是游离氯、菌落总数、总大肠菌群等。结论卫生部门的监督监测管理取得了一定成效,但市政供水和二次供水仍然存在安全隐患,应继续加强监管。

Objective To understand the sanitation of municipal water supply and secondary supply in Jincheng and provide scientific instructions for the health supervision. Methods The periodic monitoring results of municipal tap water and secondary water supply from 2011 to 2015 were analyzed. Results The qualified rate of water quality monitoring was85.3% and it increased year by year. The qualified rate of secondary water supply was lower than that of municipal tap water. Unqualified items mainly were free chlorine, total bacterial counts and total coliforms, etc. Conclusion The some success has been achieved in supervising management and monitoring by health authorities and the potential safety hazards still exist in municipal and secondary water supply and the supervision should be enhanced.