直饮水微生物检测结果分析  

Analysis of Microbial Detection Results of Direct Drinking Water

作　　者：牛夏娟 NIU Xiajuan(Lijiang Comprehensive Inspection and Testing Center,Lijiang 674100,China)

机构地区：[1]丽江市综合检验检测中心,云南丽江674100

出　　处：《食品安全导刊》2022年第21期105-107,111,共4页China Food Safety Magazine

摘　　要：目的:通过对城市某居民小区直饮水微生物检测结果的分析,了解该小区目前居民直饮水的卫生状况,为改善直饮水的水质,确保该小区净水系统正常运行提供参考依据。方法:根据《生活饮用水标准检验方法》(GB/T 5750)系列标准要求,以及《生活饮用水检验规范(2001)》的规定对该小区直饮水进行取样与检测,并通过对水体中细菌总数、总大肠菌群、粪大肠菌群、铜绿假单胞菌等检测指标的分析,确定该居民小区管道直饮水的水质是否满足《饮用净水水质标准》(CJ/T 94—2015)要求。结果:检测样品为1 050份,其中有51份样品菌落总数超标,23份样品检出总大肠菌群,水质合格率为92.9%,且合格率呈现逐年上升趋势。结论:该居民小区管道直饮水的水质满足《饮用净水水质标准》(CJ/T 94—2015)要求,水体当中的细菌、有机物、病毒等有害物质含量明显下降,说明该小区的直饮水安全能够得到可靠保障。Objective:Through the analysis of the microbiological test results of direct drinking water in a residential area of a city,the sanitary status of direct drinking water in the residential area is understood,which provides a reference for improving the quality of direct drinking water and ensuring the normal operation of the water purification system in the residential area.Method:According to the GB/T 5750 and the provisions of the Code for the Inspection of Drinking Water (2001),the direct drinking water in this district was sampled and tested,and through the analysis of the total number of bacteria,total coliform group,fecal coliform group,P.aeruginosa and other detection indicators in the water body,it is determined whether the quality of the piped direct drinking water in the residential area meets the requirements of CJ/T 94—2015.Result:1 050 samples were tested,of which 51 samples exceeded the standard in total bacterial count,23 samples detected total coliform group,and the qualified rate of water quality was 92.9%,and the qualified rate showed an upward trend year by year.Conclusion:The quality of the piped direct drinking water in this residential area meets the requirements of CJ/T 94—2015,and the content of harmful substances such as bacteria,organic substances and viruses in the water body has significantly decreased,which indicates that the safety of the direct drinking water in this residential area can be reliably guaranteed.

关 键 词：直饮水 微生物 水质检测 结果分析 

分 类 号：R123.1[医药卫生—环境卫生学]