 The city of Toktogul is located north of the reservoir.The reservoir was created in 1976 after construction works on the dam were completed and the Kementub Valley was flooded.The reservoir flooded more than 26 thousand hectares of land, of which 21.2 thousand hectares of agricultural land, 26 communities including large settlement Toktogul were displaced and the main road through the region was re-routed.