Statement of heads of water economy organizations of Central Asian Republics and Kazakhstan (Tashkent, 12 October 1991)
Agreement between the Republic of Kazakhstan, the Republic of Kirgyzstan, the Republic of Uzbekistan, the Republic of Tajikistan and Turkmenistan on Cooperation in the Field of Joint Water Resources Management and Conservation of Interstate Sources (Alma-Ata, 18 February 1992)
Agreement between Republic of Kazakhstan, Kyrgyz Republic, Republic of Tajikistan, Turkmenistan, and Republic of Uzbekistan on joint activities in addressing the Aral Sea and the zone around the Sea crisis, improving the environment, and enduring the social and economic development of the Aral Sea region (Kzyl-Orda, March 1993)
Joint Statement of the Heads of Water Agencies of the Republic of Kazakhstan, the Republic of Tajikistan, Turkmenistan and the Republic of Uzbekistan (Turkistan, April 2022)