RINI HENDRIATY Pengarang (Syarifudin A, SKM, Mkes Dosen Pembimbing 1 Dr. Abdul Khair SKM, MSi Dosen Pembimbing 2

MINISTRY OF HEALTH OF THE REPUBLIC INDONESIA HEALTH POLYTECHNIC BANJARMASIN ENVIRONMENTAL SANITATION STUDY PROGRAM APPLIED BACHELOR PROGRAM ENVIRONMENTAL HEALTH YEAR 2024 ABSTRACT DESCRIPTION RINI HENDRIATY FACTORS AFFECTING THE BACTERIOLOGICAL QUALITY OF MPN COLIFORM IN HOUSEHOLD DRINKING WATER IN ALALAK SELATAN SUBDISTRICT, BANJARMASIN CITY, 2024 (Syarifudin A, SKM, M.Kes; Dr. Abdul Khair, SKM, M.Si) XV + 53 Pages; 6 Tables; 7 Figures; 7 attachments The bacteriological quality of drinking water is considered good if the household drinking water contains 0 coliform bacteria per 100 ml of water sample. The presence of coliform bacteria in drinking water can lead to digestive disorders such as diarrhea and acute gastroenteritis. Data from the Alalak Selatan Public Health Center in 2023 recorded 204 cases of diarrhea in Alalak Selatan Subdistrict. This study aims to identify the factors affecting the bacteriological quality of MPN coliform in household drinking water in Alalak Selatan Subdistrict, Banjarmasin City. This research is quantitative with a cross-sectional design. Data collection was conducted using questionnaires, while the drinking water quality was assessed through laboratory examination. The data analysis method used was the Somers’ D test. The research results indicate a significant influence between personal hygiene (p-value = 0.000), water treatment practices (p-value = 0.000), and storage conditions (p-value = 0.000) on the bacteriological quality of MPN coliform in household drinking water in Alalak Selatan Subdistrict, Banjarmasin City. Based on the research findings, the community should increase awareness of the importance of personal hygiene, treat drinking water before consumption, and maintain the cleanliness of water storage containers. Keywords : MPN Coliform, Household Drinking Water Quality References : 20 Sources (Years 2012–2023)