Agriculture in Syria runoff most of the year. The river flows southeastward across the arid Syrian Plateau into Iraq, where it joins the Tigris River shortly before emptying into the Persian Gulf. In addition to Syria, both Turkey and Iraq use dams on the Euphrates for hydroelectric power, water control, storage, and irrigation. In the mid-1980s, about a half of the annual Euphrates River flow was used by these three countries. Syrians have long used the Euphrates for irrigation, but, because the major systems were destroyed centuries ago, they now make only limited use of the river's flow. In the mid-1980s, the Euphrates
Geography of Syria and most important river is the Euphrates, which represents more than 80 percent of Syria's water resources. Its main left-bank tributaries, the Balikh and the Khabur, are small perennial rivers that both rise in the Syro-Turkish border region. The right-bank tributaries of the Euphrates are mostly small seasonal streams called wadis. In 1973, Syria completed construction of the Tabqa Dam on the Euphrates River upstream from the town of Raqqa. The dam created a reservoir named Lake Assad (Buhayrat al Assad), a body of water about 80 kilometers long and averaging eight kilometers in width. Throughout the arid plateau region