The report is directed at drawing a picture of the prevailing legal and institutional frameworks of the water sector in Jordan in relation to climate change adaptation in the Zarqa River Basin (ZRB). To achieve this purpose,three tasks were conducted,(1) literature of pertinent documents on legislation,administration,regulations,water policies and water laws were reviewed,(2) address the gaps in the water policies in Jordan as related to climate change vulnerability,and to raise awareness of the importance of developing climate change mitigation measures,and (3) propose policy options for adaptation to climate change through implementation of IWRM as a tool. The objective of the revision is the assessing the appropriateness and effectiveness of the existing institutional framework regarding the climate change adaptation measures in ZRB. Combating water scarcity remains a strategic challenge that Jordan faces for augmenting its water resources.