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Around 50 % of the total arable land in Armenia is irrigated (UNECE, 2000). In addition, Armenia uses large amount of water for aquaculture (fish farms) which accounts for 13 % of total water abstraction. Fish farms are mainly located in the Ararat Valley, which is under high water stress conditions. In order to meet the valley’s high water demands, water is transferred from other basins, such as Lake Sevan. Since the 1930s, the water level of Lake Sevan has reduced by more than 19 m, and there has been a 26 % increase in water use. Since 1981, water has been transferred to the Lake Sevan from the Arpa River to increase the lake’s water level back again. However, water abstraction from the lake for irrigation and energy generation is still increasing and the water level of the lake Sevan has not recovered to its natural state. Overall, the total population of Armenia declined from 3 226 million in 2000 to 2 986 million in 2017, whereas total freshwater abstraction increased by 32 % over the same period (Statistical Committee of the Republic of Armenia, 2020a).