The study sought to evaluate the household's awareness of the risks of untreated wastewater on health, agricultural production, environment, and recreational activities. A survey was conducted on 276 agro-food processing households residing on the Nhue-Day river basin in Vietnam. An Ordered Logit Model (OLM) determined that age, educational attainment of the household head, and household's monthly income were the main factors that affect the household's awareness of the effects and consequences of untreated wastewater. Results showed that these factors positively affected the household's awareness of the adverse effects of untreated wastewater health, environment, agricultural production, and recreational activities.