Sergeyev Dam

Sergeyev Dam or Sergeyevka Dam (Сергеев бөгені; Сергеевское водохранилище) is a gravity dam in Shal akyn District, North Kazakhstan Region, Kazakhstan.

The dam is located a little upstream from Sergeyev town on the Ishim River. It has a road bridge, as well as a pumping station for the Sergeev city water supply, which is part of the Ishim Water Supply Network (Есіл су құбыры) that operates in the North Kazakhstan and Akmola Regions.

History
The Sergeyevka Dam was commissioned in 1968 at the time of the Kazakh SSR. It had a hydroelectric power station with an installed power generation capacity of 2 MW. The hydroelectric power station building has a bottom spillway. The reservoir of the dam has a maximum storage capacity of 693000000 m3 and a surface area of 117 km2. The Imanburlyq, a tributary of the Ishim River, has its mouth in the reservoir.

Currently the power station has a capacity of 3.5 MW with two propeller turbines connected to VGSP 213/29-14 generators with a capacity of 1.23 MW each. The average annual electricity generation is 16 million kWh. The dam is owned by RSE "Kazvodkhoz", which manages 78 reservoirs in Kazakhstan.