Nyuduay
Nyuduay – a river in the Murmansk region of Russia. The city of Monchegorsk with its subordinate territory flows through the territory of the urban district. It flows into Lake Imandra. The river is 11 km long. The current speed is 0.1 m / s. It originates on the eastern slope of the Monchetundra ridge at an altitude of over 500 m above sea level. In the upper course it flows through a forest, in places of marshland. Passes through the lakes Kumuzhie and Nyudyavr. It flows into the Moncheguba Bay of the Imandra Lake at an altitude of 127.5 m above sea level. In the lower part, the river passes through the industrial and residential areas of Monchegorsk. Several road (including the Kola highway) and one railway bridge are thrown across the river. Water register data According to the data of the state water register of Russia, it belongs to the Barents-Belomorsky basin district, the water management section of the river is the Niva River, including Lake Imandra. River basin of the river – basins of the rivers of the Kola Peninsula and Karelia. The object code in the state water register is 02020000312101000010188. Ecology In 2007, the river was recognized as one of the three most polluted rivers of the Kola Peninsula (together with Rosta and the Varnichny stream in Murmansk). According to the specific combinatorial pollution index, water is classified as very dirty in terms of critical indicators of copper, nickel and oil products.