It has a surface area of 64.6 km2, a length of 27 km, a maximum width of 3 km, a maximum depth of 13 m, and an average volume of 238 million cubic meters.

[1][2] Its catchment area is 4,120 square kilometers, mineralization of water - 280–320 mg/L.

The reservoir was created to increase the amount of fresh water for the republic's capital Minsk.

The water rises to the level of more than 70 meters with a few Hydraulic power station.

The Viliya river was dammed in 1973, and in early 1975 water from the reservoir went through the channel to the capital, Minsk.