Adama town has been experiencing the problem of sustainable utilization of domestic waler. Water is a very1 necessary par/ of our everyday life. We cook with ii, deem with ii, and ii makes up ./ver 90 percent of our body's structure. With u/i/ily' bills rising and ecological concerns increasingly prevalent, knowing how to use domestic water in sustainable manner and conserving water is more important than ever. Thus, the main objective of this research paper was assessing the problems ofsttstainable use of warer in the house and major factors chat affect household utilization of water. T<J achieve this objective, relevant data were gathered from both primary and secondary- sources. The major primary instrument of data for the study were household questionnaire aiW interviews. A sample of 140 households was selected using stratified sampling method .ft·om four kebeles. Interviews with key informants were also held Hoth qualitative and quantitative methods were employed as data analysis. Emphasis was put on e.wmining the nat11re of problems of using domestic water in sustainable mannerfor washing, s~wer, cookinlJ, gardening and the like. The study has confirmed that water utilization in the house Is if1 a wasteful way. Ai present water is utilized carelessly without thinking for the future generation. The major problems of sustainable use of water in the house are lack of training in the conservation issues, carelessness of people while utilizing water, absence of know how to use water sustainably, overutilizution of water, absence of reusing waler and some other factors. Those sample households who responded 10 the questions al major problems in water •:I} sustainability by pointing out lack of know how, over utilization and absence of training together ' accounts for about 63.3 percent and 30 percent of them raised carelessness of people while utilizing water for showering, gardening. washing clothes and others, brushing teeth, cleaning room. cooking and -others as challenges in sustainable utilization of domestic water. The remaining 3. 7 percent of sample househoids raised other problems like absence of educating children, in appropriate use of water. taking showers for long hours, absence of plan in the withdrawal of water and others as the cause for high wastage of water in the house The major coping strategies for the challenges are synchronizing different water sources, conserving water sources, providing training on sustainable utilization of wmer, empowering women in waler management, participating different actors, mobilizing financial resources, and staffing organizational structure with skilled personnel and equipping ii with material facilities. Moreover, for appropriate water use projection, a detail study on the physical and socio- economic factors affecting sustainable utilization of water are desirable