These articles are unfortunately all in Swedish - swedes prefer to keep their bad news local:
Raw sewage from new apartment buildings connected directly to one of the most popular bathing places in central Stockholm that ran out freely for at least three years: http://www.aftonbladet.se/nyheter/article12848092.ab
Farm organizations warning about swimming in Stockholm's water after rainfall: http://www.lantbruk.com/debatt/varfor-ska-jordbruket-sta-vid...
Raw sewage that has run directly out into bathing water in central Stockholm from an apartment house for the past 85 years: http://www.dn.se/sthlm/sa-mycket-bajsvatten-rinner-ut-i-stoc...
An article stating that the equivalent of 354 Olympic-sized swimming pools of raw sewage and polluted water gushes straight out into the middle of Stockholm's water every year: http://gamla.mitti.se/bajsvattnet-rinner-ratt-ut/
An article about the large scale of health problems following outbreaks of serious bacterial infections from tap water infected by raw sewage systematically entering drinking water without ultraviolet cleaning: http://www.dn.se/nyheter/sverige/manga-annu-sjuka-efter-para...
Heavy metals and other poisons in Stockholm's water: http://www.aftonbladet.se/nyheter/article10358091.ab