The Zhdanovka River (Russian: Ждановка Река) is a short river in the Neva River delta in Saint Petersburg, Russia. It separates Petrogradsky Island from Petrovsky Island.
In the 17th century, the river did not have a specific name; however, it was sometimes referred to the St. Nicholas river (named after the chapel of the nearby Church of the Assumption). The place was also called "Mokrushi" (Russian:Мокруши) because the area is surrounded by wetlands. In the 19th century, construction began on the deserted island Petrovsky. The Zhdanov brothers, Ivan and Nicholas, where the first to be granted land on the island. The Zhdanovs lined the river banks of the Malaya Neva River to the current Little Petrovsky Bridge. Here, the brothers built a chemical-pharmaceutical plant, which drew up the birch tar and wood vinegar. The Brother's development of the area led their name being used refer to the river and the street along it. On the left bank of the river, the Petrovsky park was developed with lakes and canals.
The river flows in a northwesterly direction. The river is 2.2 kilometres (1.4 mi) long, has an average width of about 30 metres (98 ft), and depths ranging from 2.2 to 4.0 metres (7.2 to 13.1 ft). The river has an average discharge of 14 cubic metres per second (490 cu ft/s). The area is home to the city landfill.
In the lower reaches of the banks are industrial enterprises, including a Vulcan Inc. plant, a Bavarian brewery, and others. The is equipped with a wooden pile fastening, which has become unfit for duty or almost completely destroyed. The coastal slope is covered with trees and shrubs. The right bank is also overgrown with trees and shrubs. Surrounding areas are covered with large boulders, pebbles, gravel and construction debris. There are many piers and jetties.