The town of Sinegorye, Yagodninsky District, is located downstream from the dam.
[2][3] After filling the reservoir 40,840 ha (100,900 acres) of farmland were flooded, as well as several workers' settlements, including Sibik-Tyllah, Vetreny, Yasnaya Polyana, Tyoply, Yubileiny and Kongo.
[4][5] An Old Stone Age archaeological site located by the mouth of the Kongo was also flooded by the waters of the Kolyma reservoir.
It belonged to the Paleolithic Siberdikov culture of the upper Kolyma river.
On it were found stone cutters, knives, arrowheads and pick-shaped tools belonging to a human group engaged in hunting wild horses and reindeer.