 Mulyanka runs along the borders of the city of Perm and is contaminated by industrial waste, such at that of stock-breeding farms and sawmills.Mulyanka is influenced by the adjacency of oil refinery of Lukoil-Permnefteorgsintez which was put into operation in 1958.According to a 2004 report by the Perm Oblast's Administration of Environment Protection, water in the Mulyanka River belongs to the 2nd to 3rd class of quality, but the upper waters, taking into account nitrites, iron and oxygen content, belong to the 4th class.