2018—2022年北京市海淀区自备井水质卫生监测分析  

Water quality of self-provided wells water in Haidian District in Beijing in 2018-2022

作　　者：胡咏梅 刘雪莹[1] 朱淑萍[1] 陈海平[1] HU Yongmei;LIU Xueying;ZHU Shuping;CHEN Haiping(Department of Environment Monitoring,Haidian Center for Disease Control and Prevention,Beijing 100094,China)

机构地区：[1]北京市海淀区疾病预防控制中心环境监测科,北京100094

出　　处：《公共卫生与预防医学》2024年第3期86-89,共4页Journal of Public Health and Preventive Medicine

摘　　要：目的了解北京市海淀区农村自备井水质卫生现状,为加强自备井供水管理提供参考依据。方法对北京市海淀区2018—2022年农村自备井水质监测数据进行汇总分析。结果2018—2022年共监测自备井水样1568件,合格1486件,合格率94.77%。各年份水质合格率分别为86.75%、92.86%、97.48%、98.06%和99.34%,差异有统计学意义(X^(2)=75.296,P<0.05);感官性状和一般化学指标、毒理学指标和微生物指标总体合格率分别为97.70%、97.58%和98.28%;2018、2019和2021年三类指标之间的合格率差异有统计学意义(P<0.05);不合格指标有总硬度、菌落总数、总大肠菌群、氟化物、硝酸盐和浑浊度,合格率分别为97.96%、98.41%、99.17%、99.11%、98.47%和99.94%。结论海淀区农村自备井水质较好,相关部门应继续加强自备井监管力度,加强对自备井消毒装置运转情况的监管,保证水处理设备的正常运转,做好自备井防护工作,保障居民的饮水安全。Objective To investigate the water quality and sanitary conditions of rural self-provided wells water in Haidian District,Beijing,and to provide reference for strengthening water supply management of self-provided wells.Methods The water quality monitoring data of rural self-provided wells in Haidian District from 2018 to 2022 were analyzed.Results A total of 1568 water samples were tested in 2018-2022,of which 1486 were qualified,with a qualified rate of 94.77%.The qualified rate in each year was 86.75%,92.86%,97.48%,98.06%,and 99.34%,respectively,and the difference was statistically significant(X^(2)=75.296,P<0.05).The qualified rates of sensory traits and general chemical indexes,toxicological indexes and microbial indexes were 97.70%,97.58%and 98.28%,respectively.There were statistically significant differences in the qualified rates among the three indexes in 2018,2019 and 2021(P<0.05).The unqualified indicators included total hardness,total number of colonies,total coliform,fluoride,nitrate and turbidity,with a qualified rate of 97.96%,98.41%,99.17%,99.11%,98.47% and 99.94%,respectively.Conclusion The water quality of self-provided wells in rural Haidian District is good.Relevant departments should continue to strengthen the supervision of self-provided wells,such as the supervision of self-provided wells disinfection devices and water treatment equipment,to ensure the safety of drinking water for residents.

关 键 词：自备井 水质 卫生状况 

分 类 号：R123[医药卫生—环境卫生学]