Bacini dei fiumi Tigri e Eufrate
- Memorandum of Understanding between the Government of the Syrian Arab Republic and the Government of the Republic of Turkey on establishment of a pumping station in the territories of the Syrian Arab Republic for water withdrawal from the Tigris River. Done in Damascus, 23 December 2009; in force 9 June 2011
- The Syrian-Iraqi Agreement on the Utilization of the Euphrates Waters, signed April 1990
- Treaty of Friendship and Neighbourly Relations Between Iraq and Turkey and the Attached Protocol No.1 Relative to the Regulation of the Waters of the Tigris and Euphrates and of Their Tributaries, signed 29 March 1946, in force 10 May 1948