Iskar Reservoir : Ask Biography

Lake information

Name

Iskar Reservoir

Lake type

reservoir

Primary inflows

Iskar River

Primary outflows

Iskar River

Catchment area

1046 km2

Basin countries

Bulgaria

Geography

Water volume

673 million m³

Surface elevation

820 m

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The Iskar Reservoir (язовир „Искър“) is the largest reservoir in Bulgaria. It is situated on the Iskar River and provides 2/3 of the water for the capital Sofia, also being used for producing hydroelectricity.

The reservoir has a total volume of 673 million m³, of which 580 million are in use and the rest is reserve. The reservoir has a drainage basin of 1,046 km2 and is 25 km long. It is situated at 820 m above sea level, its dam being 204 m long and 76 m high.