London has a pretty big problem with raw sewage flowing into the Thames too, fortunately it’s not used as drinking water source though. Each year at least 40m

London has a pretty big problem with raw sewage flowing into the Thames too, fortunately it’s not used as drinking water source though. Each year at least 40m litres of untreated sewage flows into the Thames in London, as the Victoria sewers are at capacity. There is currently an ongoing project to upgrade them which should be launched in 2022: http://www.tideway.london/ http://www.tideway.london/ Last year a water company was fined £20m for dumping 2 billion litres over the last few years further upstream: https://www.theguardian.com/environment/2017/mar/22/thames-water-hit-with-record-fine-for-huge-sewage-leaks https://www.theguardian.com/environment/2017/mar/22/thames-w...