The Chusovaya River (Чусовая in Russian), a river in the Sverdlovsk Oblast and Perm Oblast in Russia, a tributary of the Kama River. Its length is 592 km. The area of the basin is 23,000 sq km. It flows into the Chusovoy Cove of the Kamsky Reservoir . The floods usually take place from mid-April to mid-June. The Chusovaya River freezes up between late October-early December and stays under the ice until April-May. Its principal tributaries are Mezhevaya Utka , Serebryanka , Koyva , Us'va , Revda , and Lys'va . The Chusovaya River is widely used for water supply: its water is moved from the Volchikhinsky Reservoir (37 sq km) to the Verkhneisetsky Reservoir to supply Yekaterinburg. Its tributaries have 15 small reservoirs, as well. Main ports: Pervouralsk and Chusovoy .