Water availability is becoming a sensitive issue in the country in general. When it comes to thernwater stressed regions like the Main Ethiopian Rift the situation is highly aggravated. So it isrntimely to properly asses the water availability indicators and impact of water utilization forrndifferent purposes.rnThe present study area is located at the floor of the Main Ethiopian Rift, where the interconnectedrnsurface water bodies are found in a fine state of balance. The main objective of the study is tornevaluate water utilization and its impact on the water resources of the area.rnAbstraction from the upstream water resource will have a severe impact on the down streamrnwater bodies. This is evident in the flow regime of River Bulbula. The interconnectivity is notrnlimited to surface water bodies, but there is also strong interaction between surface water bodiesrnand subsurface. So it became evident in this research work that the abstraction from subsurfacernhas got an impact on the overall water resources.rnHydrological data interpretation from stream flow and lake level measurements clearly depictedrnthe trend and status of the water resource in Ziway-Abijata Corridor is at risk. The risk is extremernin the case of down stream closed Lake Abijata.Since there is no quantitative data on groundwater trend and status, qualitatively speaking still therngroundwater resource base is also at risk in the Main Ethiopian Rift in general and the rift floor inrnparticular. The conjunctive nature of the surface and subsurface water resources in the arearnjustifies this condition.