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Due to the impact of various types of pollution on the available water resources, inland waters are facing a decrease in water quantity and the quality of surface waters is deteriorating. Tributaries of the Saigon River are an important feature of the river, Ho Chi Minh City. The tributaries selected were mainly located in Binh Chanh District. In this context, assessing the quality of surface waters is an essential, critical and challenging activity to be undertaken to protect these waters. At 31 research sites (n = 31), surface water was collected from upstream to downstream tributaries. Monitoring parameters included Temperature, pH, Electrical conductivity (EC), Total dissolved solid (TDS), Ammonium nitrogen (NH4+-N), Nitrate nitrogen (NO³ –-N), Phosphate (PO4 ³ –), Iron (Fe), Zinc (Zn) and Copper (Cu). In terms of data analysis, the results of this study will provide valuable information for the improvement of water quality in the study area. Ecological and economic zoning through the 31 research sites has been mentioned. The results of these water parameters can be specifically discussed and have comparisons with the previous studies. Finally, the results were synthesised to describe the variation in water quality values across the study area in the wet season. [ABSTRACT FROM AUTHOR]