摘要
目的了解乌鲁木齐市生活饮用水水质卫生状况。方法依据国家标准,对乌鲁木齐市2011—2013年出厂水、末梢水、二次供水、农村小型集中供水进行采样、监测和评价。结果共采集检测生活饮用水561份,合格417份,合格率为74.3%。其中出厂水的合格率60.4%;末梢水合格率80.1%;二次供水的合格率为93.3%;农村小型集中供水的合格率为19.3%。不合格指标主要集中在余氯、浑浊度、菌落总数、总大肠菌群;其中余氯合格率最低,合格率仅为79.7%。结论乌鲁木齐市生活饮用水中有部分指标未达到国家标准,应加强生活饮用水监督监测工作,有效提高余氯等指标的合格率,确保居民饮水安全卫生。
Objectives To understand the hygienic status of drinking water in Urumqi city. Methods Drinking water samples were collected,detected and evaluated in 2011—2013 by the national standard method. Results A total of 561 water samples were monitored,and 417 samples were qualified with an overall qualified rate of 74. 3%. The qualified rate for finished water from municipal water plants was 60. 4%,for terminal tap water was 80. 1%,and for secondary supplied water was 93. 3%. The qualified rate of water from smaller rural centralized water supply was 19. 3%. The unqualified indexes were free residual chlorine,turbidity,the counts of total bacteria and total coliform. The qualified rate for residual chlorine was only 79. 7%,the lowest among the tested indexes. Conclusionds Part of indexes for drinking water in Urumqi city could not comply with the national standard.It is important to enhance the inspection and administration of drinking water to improve the quality of free residual chlorine and other indicators,so as to guarantee the safety of drinking water in the city.
出处
《环境卫生学杂志》
北大核心
2014年第5期480-482,486,共4页
JOURNAL OF ENVIRONMENTAL HYGIENE
关键词
水质
出厂水
末梢水
二次供水
农村小型集中供水
water quality
finished water
tap water
secondary water supply
small rural centralized water supply
