Water quality of self-provided wells water in Haidian District in Beijing in 2018 - 2022
10.3969/j.issn.1006-2483.2024.03.020
- VernacularTitle:2018—2022年北京市海淀区自备井水质卫生监测分析
- Author:
Yongmei HU
1
;
Xueying LIU
1
;
Shuping ZHU
1
;
Haiping CHEN
1
Author Information
1. Department of Environment Monitoring , Haidian Center for Disease Control and Prevention , Beijing 100094 , China
- Publication Type:Journal Article
- Keywords:
Self-provided well;
Water quality;
Sanitary condition
- From:
Journal of Public Health and Preventive Medicine
2024;35(3):86-89
- CountryChina
- Language:Chinese
-
Abstract:
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 1 568 water samples were tested in 2018-2022 , of which 1 486 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 ( χ2= 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.