The cross-sectional descriptive study was conducted at 65 bottled drink water product production facilities in Dak Lak province in 2023. The objectives were to determine the prevalence of bacterial contamination in bottled drinking water products at some production facilities in Dak Lak province and analyze related factors. The results indicated that 42/65 (64,0%) of samples did not meet the bacterial requirements according to QCVN 6-1:2010/BYT. Unsatisfactory bacterial criteria included Coliform (50.5%), P. aeruginosa (50.5%), and Clostridia (4.6%). All samples were not detected for E. coli and Streptococci feacal. The main factors influencing bacterial contamination of bottled drinking water were the layout design of the production area; factory structure, means of washing and disinfecting hands, sanitary conditions of the jar, practice of personal hygiene, practice cleaning the jar, and practice of packaging the products.
Bottled drinking water, bacteriological contamination, water quality.
[1]. J Vietnam Ministry of Health, "QCVN 6-1:2010/BYT National technical regulation for bottled/packaged natural mineral waters and dringking waters", 2010.
[2]. Vo Thi Kim Hanh, Mai Thi Tuyet Nga, "A study on the microbiological contamination of bottled water in Khanh Hoa province", Industry and trade magazine, no. 10, pp. 82-91, 2021 (in Vietnamese).
[3]. Vu Thi Huong, Dang Vu Phuong Linh, "Prevalence of microorganisms in bottled water in Ca Mau province year 2017", Journal of Health and Development Studies vol. 01, no. 01, 2017 (in Vietnamese).
[4]. Le Van Khoi, Pham Thi Tam, "Studying on infection of e.coli and coliform in bottle drinking water and its related factors at bottled drinking production facilities in Hau Giang province, 2018", Can Tho Journal of Medicine and Pharmacy. no.21, pp. 1-6, 2019 (in Vietnamese)..
[5]. Than Ngoc Ha, Nguyen Thanh Ha, "Assessment of food safety conditions of bottled drinking establishments in Can Tho city in 2020 ", Journal of Health and Development Studies, vol. 4, no. 4, pp. 100-107, 2020 (in Vietnamese).
[6]. Pham Van Hung, Tran Hong Tram, Nguyen Thi Kieu, "Situation testing of E. coli and coliform in products of some bottled drinking water manufacturers in Ha Noi in 2020", VietNam medical journal. vol 515, no 2, pp. 54-57, 2022 (in Vietnamese).
[7]. Tran Minh Phuong, Le Thi Thu Ha, Vu Dinh Thiem, Vu Hai Ha, "The status of microbial contamination in bottled water in the production facilities in Hung Yen province in 2018", Vietnam Journal of Preventive Medicine-VJPM. vol 29, no 2, pp. 87, 2018 (in Vietnamese).
[8]. WHO, "Application of the Guidelines in specific circumstances", Guidelines for Drinking-water Quality, pp. 294-295, 2017.