咸阳市2014年-2016年生活饮用水水质监测结果分析  

Analysis of drinking water quality monitoring results in Xianyang from 2014 to 2016

作　　者：李毅芳[1] 聂连山 LI Yi - fang;NIE Lian -shan(Xianyang Center for Disease Control and Prevention, Xianyang, Shaartxi 712000, China)

机构地区：[1]咸阳市疾病预防控制中心,陕西咸阳712000 [2]肃南裕固族自治县市场监督管理局,甘肃肃南734400

出　　处：《中国卫生检验杂志》2018年第11期1387-1389,共3页Chinese Journal of Health Laboratory Technology

摘　　要：目的了解本市2014年-2016年各县市区饮用水主要污染指标变化趋势,为饮用水相关监管部门提供科学依据。方法采用分层随机抽样的原则抽取样本,按照GB 5750—2006进行样品的采集、运输、检测,按照GB 5749—2006标准中《小型集中式供水》评价。结果 2014年-2016年饮用水整体合格率分别为75.00%、74.38%、77.99%。本市饮用水主要污染指标是六价铬、总大肠菌群、氟化物、硫酸盐、氯化物。北五县主要污染指标是微生物,南八县主要污染指标是六价铬、氟化物、硫酸盐、氯化物、总硬度。结论本市饮用水水质比较稳定,但整体合格率较低,部分污染指标有进一步加重的趋势,本地区饮用水存在安全隐患。Objective To investigate the change of major pollutant indicators from drinking water in Xianyang,so as to provide scientific basis for monitoring departments. Methods Samples were selected according to stratified random sampling method,and then collected,transferred and detected according to GB 5750—2006,and also valued based on GB 5749—2006 Standards for Drinking Water Quality. Results The overall qualified rate of drinking water was 75. 00%,74. 38% and 77. 99% in2014,2015 and 2016,respectively. The main pollution items were chromium（ Ⅵ）,total coliform,fluoride,sulphate and chloride. The main pollution indicator of the five north counties was microbial index,and the main pollution indicators of eight southern counties were chromium,fluoride,sulfate,chloride and total hardness. Conclusion The quality of drinking water in Xianyang was relatively stable,but the qualified rate was low and some pollution indicators of drinking water have the worsening tendency. There are still problems concerning water safety in Xianyang.

关 键 词：生活饮用水 监测 分析 

分 类 号：R123.1[医药卫生—环境卫生学]