Lake Kopa

Lake Kopa is a lake in the city of Kokshetau, located on the territory of Akmola Region close to the foot of Kokshetau Elevation in the northern part of Kazakhstan. Its elevation is 223.8 m above sea level and has a maximum depth of about 6 m. It is 5.6 km long and 12 km wide. The total surface area of it the lake is about 14 km2 depending on water level. It is fed by 2 rivers and is drained by the Shagalaly. The area of Lake Kopa fluctuates year to year, but in recent years the size of the lake has been decreasing overall. Kopa is used for fishery.

Source: Wikipedia