Editing Neva (section)

===Ecological condition===
The Federal Service for [[Hydrometeorology]] and Environmental Monitoring of Russia classifies the Neva as a "heavily polluted" river. The main pollutants include [[copper]], [[zinc]], [[manganese]], [[nitrite]]s and [[nitrogen]]. The dirtiest tributaries of the Neva are the Mga, Slavyanka, Ohta, and Chernaya.<ref>{{cite web |url= http://www.ghi.aaanet.ru/node/47 |title= КАЧЕСТВО ПОВЕРХНОСТНЫХ ВОД РОССИЙСКОЙ ФЕДЕРАЦИИ |access-date= 2010-06-23 |url-status= dead |archive-url= https://web.archive.org/web/20090419040912/http://www.ghi.aaanet.ru/node/47 |archive-date= 19 April 2009 }} (quality of surface waters of the Russian Federation). Yearbook 2006. Institute of hydrochemistry, Rostov. ghi.aaanet.ru</ref> Hundreds of factories pour wastewater into the Neva within St. Petersburg, and [[petroleum]] is regularly transported along the river. The annual influx of pollutants is 80,000 tonnes,<ref name="Grinpis" /> and the heaviest polluters are Power-and-heating Plant 2 ({{langx|ru|ТЭЦ-2}}), "Plastpolymer" and "[[Obukhov State Plant]]". The biggest polluters in the Leningrad Oblast are the cities of Shlisselburg, Kirovsk and Otradnoye, as well as the Kirov [[thermal power station]]. More than 40 oil spills are registered on the river every year.<ref name="Grinpis 2">{{cite web |url= http://www.greenpeace.org/russia/ru/save-neva/neva |title= Clean Neva |publisher= [[Greenpeace]] |language= ru |url-status= dead |archive-url= https://web.archive.org/web/20100317213427/http://www.greenpeace.org/russia/ru/save-neva/neva |archive-date= 17 March 2010 |access-date= 23 June 2010 }}</ref>

In 2008, the Federal Service of St. Petersburg announced that no beach of the Neva was fit for swimming.<ref name="Grinpis">{{cite web |url= http://www.greenpeace.org/russia/ru/save-neva/project |title= Clean Neva |publisher= [[Greenpeace]] |language= ru |url-status= dead |archive-url= https://web.archive.org/web/20100310173326/http://www.greenpeace.org/russia/ru/save-neva/project |archive-date= 10 March 2010 |access-date= 23 June 2010 }}</ref>

Cleaning of wastewater in Saint Petersburg started in 1979; by 1997, about 74% was purified. This rose to 85% in 2005, to 91.7% by 2008, and Feliks Karamzinov expected it to reach almost 100% by 2011 with the completion of the expansion of the main sewerage plant.<ref name="autogenerated1">{{cite web
 | url = http://eco.rian.ru/shortage/20091020/189781554.html
 | title = В ближайшие два года Петербург будет очищать почти 100% сточных вод
 | trans-title = In the next two years, St. Petersburg will clean almost 100% of wastewater
 | publisher = RIA Novosti
 | date = 20 October 2009
 | quote = К концу года Петербург будет очищать 91,7% сточных вод, а до 2011 года - почти все 100%, сообщил журналистам руководитель ГУП "Водоканал Петербурга" Феликс Кармазинов.
 | access-date = 23 June 2010
 | archive-date = 7 August 2011
 | archive-url = https://web.archive.org/web/20110807134412/http://eco.ria.ru/shortage/20091020/189781554.html
 | url-status = live
 }}</ref>