The purpose of this research is to explore features, challenges and opportunities ofrnmanagement and sustainability of wastewater reuses in order to improve water access arnreliable and adequate potable and non-potable water supply. Additionally, water resourcesrnneed to be managed far more efficiently. The key objectives of this study are: to assess therntotal amount of water supply for various non-potable water use (toilet flushing) in AddisrnAbaba city; to examine the attitude/ perception of the residents to reuse recycle water forrnvarious non-potable water uses in the city and; to evaluate public acceptance in order to usernrecycle water for various non-potable water uses in the city. Quantitative and qualitativernmethods were used to collect and analyze data. The study employs descriptive statisticalrnmethod and the selection of the respondents was done by using Cochran samplerndetermination method. Questionnaires and key informant interview were prepared andrndistributed to legible respondents to collect data. According to the informant responses, thernresults demonstrated that Addis Ababa Water Supply and Sanitation Authority, it is incapablernto provide adequate water for potable and non-potable uses. The results field surveyrndemonstrated that there are perceived positive public perceptions and opinion in order to usernrecycle wastewater for various non-potable water uses. Based on the results of the output, itrnwas success for Addis Ababa Water Supply and Sanitation Authority should pay attention onrnHHs wastewater discharge from households are sustainable source of wastewater reuses inrnthe future and thereby it safeguards potable water supply in Addis Ababa city.