Dec. 6 at the museum complex "Water canal of St. Petersburg" ceremony switching of direct discharges of waste water to the main sewer north of the city.
In 1992, when Russia signed the Helsinki Convention on the Protection of the Baltic Sea, St. Petersburg was one of the main polluters of the Baltic Sea. Today the situation has changed dramatically,Now the city hosts a major cleanup for more than 97 percent of the waste, and this cleaning is not only based on Russian standards, but also with the international requirements.
Entering a new area of the main reservoir will improve the ecological state of the Neva River, and this, in turn, will make it possible to open in 2013, the city's beaches.
Construction of the reservoir will be fully completed next year, which is the Year of Russia in environmental protection.
Main sewer — a set of complex engineering structures: the two main tunnel length of 12.2 km and a diameter of 4 m each, laid underground at a depth of 40-90 meters, dozens of adoptive and foster-distribution of mines; kilometers and a unique micro-tunnels connecting node control runoff . Thanks to the gradual surrender of the reservoir water utility annually from 2008 eliminates direct wastewater discharge tens of thousands of cubic meters per day. These waste water now enters the manifold, and on it — Northern aeration station.
Children's Environmental Center Vodocanal