Stunting is a long-term nutritional deficiency from insufficient intake and recurrent infectious diseases. One of the factors that can influence stunting is the limited access to clean water. This research analyzes the relationship between healthy behavior and environmental sanitation with water quality in stunting occurrences. This is a quantitative descriptive study with a cross-sectional design. The population includes all mothers with stunted toddlers in the working area of Sikabu Community Health Center, Padang Pariaman Regency, totaling 49 individuals. The sampling technique employed was total sampling. Behavior and sanitation assessments were conducted using a questionnaire. Data collection took place from September 14 to 18, 2023. Microbiological parameters were evaluated using the Most Probable Number (MPN) method, while inorganic chemical parameters were assessed using spectrophotometry. Data processing involved Spearman rank statistical tests, where a p-value <0.05 was considered statistically significant. The research results indicate a significant relationship (p<0.05) between behavior and microbiological and inorganic chemical water quality parameters, with correlation coefficients of 0.745 and 0.604, respectively. There is a significant relationship (p<0.05) between sanitation and microbiological and inorganic chemical water quality parameters, with correlation coefficients of 0.658 and 0.520, respectively. This study concludes that there is a significant relationship between good behavior that has a positive impact on sanitation and drinking water quality on the level of stunting in the Sikabu Puskesmas working area of Padang Pariaman Regency with a correlation coefficient of (p<0.05).