In the vicinity of the hydroelectric power station, the largest and rich reservoir spilled, which is called by the sea because of its size. The Krasnoyarsk Sea is a huge reservoir of fresh water, the depth of which in some places reaches more than a hundred meters. The reservoir spread 400 km from the Krasnoyarsk Territory to Khakassia. The largest sea width is 15 km. This is one of the largest artificial reservoirs in the world.