Oskil Reservoir

Oskil Reservoir (Ukrainian: Оскільське водосховище; Russian: Оскольское водохранилище, sometimes translated as Oskol, Oskilske -) is an artificial lake on Oskol River in Kharkiv Oblast, Ukraine. It was formerly known as the Chervony-Oskil Reservoir.

Oskol Reservoir
Oskol Reservoir
Location	Kharkiv Oblast
Coordinates	49°17′34″N 37°34′16″E
Type	reservoir
Primary inflows	Oskol River
Primary outflows	Oskol River
Basin countries	Ukraine
Max. length	125 km (78 mi)
Max. width	4 km (2.5 mi)
Surface area	130 km2 (50 sq mi)
Average depth	4 m (13 ft)
Water volume	474 hm3 (384,000 acre⋅ft)

The reservoir was opened in 1958. Its area is 130 km², maximal length 125 km, maximal width 4 km, average depth is 4 m and about the volume 474 hm³. The purpose of the reservoir is to regulate flooding, serve as source for electricity, and to help the fishing industry.

During the 2022 Russian invasion of Ukraine, the reservoir was noted for its strategic importance, as causing downstream flooding would be one way to slow Russian advances in the Donbas.[1]