its construction led to the creation of lake assad the countrys largest water reservoir with a projected capacity to irrigate ha of land the thirdlargest dam on the euphrates in syria the baath dam in addition two development projects in the balikhjallab subbasins use water imported from lake assad while water from the sajur river is also used for irrigation this volume should be added to the mcm used in operational irrigation projects official data states that ha were irrigated by the euphrates river in figure in addition to ha from the khabour and jagh jagh rivers amounting to almost ha applying a commonly accepted rate for irrigation requirements this suggests an irrigation water use of about mcm from the euphrates khabour and jagh jagh rivers