Project area is located in Euphrates Basin of Southeastern Anatolian Region. Mardin-Ceylanpınar Plains Irrigation Project is the largest scale irrigation project in Turkey. Irrigation area is separated into two, as irrigation from Atatürk dam and irrigation from groundwater. 360,158 ha land is irrigated, 228,569 of this amount from Atatürk Dam and the remaining 131,589 from groundwater. Detailed designs comprise 228.71 km long main canals with an initial capacity of 200 m³/s and appurtenant structures like siphons, radial gates and check structures of huge dimensions.