2018年-2020年北京市门头沟区农村生活饮用水水质监测结果分析  

Monitoring and analysis of rural drinking water quality in Mentougou District,Beijing from 2018 to 2020

作　　者：田凯 张博文[1] TIAN Kai;ZHANG Bo-wen(Mentougou District Center for Disease Control and Prevention,Bejing 102300,China)

机构地区：[1]北京市门头沟区疾病预防控制中心,北京102300

出　　处：《中国卫生检验杂志》2022年第12期1519-1522,1526,共5页Chinese Journal of Health Laboratory Technology

摘　　要：目的通过对门头沟农村生活饮用水水质监测,了解其卫生状况与变化趋势,为保障人民的生活饮用水安全与提高农村饮用水卫生质量提供科学依据。方法依据《生活饮用水标准检验方法》(GB/T5750-2006)对2018年-2020年门头沟农村饮用水进行采样、保存以及分析。依据《生活饮用水卫生标准》(GB5749-2006)对检测结果进行评价。结果2018年-2020年共检测水样519件,合格率为55.1%,丰水期、枯水期合格率与不同年度间合格率之间差异具有统计学意义。硝酸盐氮、总硬度、大肠埃希菌、菌落总数,以及总大肠菌群合格率分别为93.4%.95.8%、91.5%、91.7%,66.1%。结论门头沟区农村生活饮用水存在不合格项目,建议加强对硝酸盐氮、总硬度以及微生物指标的监测,同时做好水源的环境保护以及消毒工作,进一步提高门头沟农村饮用水质量,确保农村居民饮水安全。Objective To understand the hygienic status and trend of rural drinking water in Mentougou District of Beijing by monitoring its quality, so as to ensure the safety of drinking water and provide scientific basis for improving the drinking water quality in rural areas.Methods According to theStandard Examination Methods for Drinking Water(GB/T 5750-2006),the rural drinking water in Mentougou Distric from 2018 to 2020 were collected, preserved and analyzed. The monitoring results were evaluated according to theStandards for Drinking Water Quality( GB 5749-2006).Results A total of 519 water samples were tested from 2018 to 2020, and the qualified rate was 55. 1%. There was statistical significance on the difference in the qualification rate between wet seasons and dry seasons, as well as among different years(P< 0. 05). The qualified rates of nitrate nitrogen, total hardness,Escherichia coli, total numbers of colony and total coliforms were relatively 93. 4%, 95. 8%,91. 5%, 91. 7% and 66. 1%.Conclusion There are unqualified indicators in rural drinking water in Mentougou District. It is recommended to strengthen the monitoring of nitrate nitrogen, total hardness and microbial indicators. Meanwhile, environmental protection and disinfection for water sources should be strengthened to improve the quality of rural drinking water in Mentougou District and ensure the safety of rural residents.

关 键 词：农村 饮用水 水质监测 

分 类 号：R123[医药卫生—环境卫生学]