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Dormay Street is on existing Thames Water land that sits between our sites at King George’s Park and Carnwath Road Riverside. Here, Charlotte, one of our six tunnel boring machines (TBMs) was ‘launched’ and has completed the construction of the Frogmore Connection Tunnel – the connection between King George’s Park to Carnwath Road, linking sewer overflows into the main tunnel.

Reconnecting London with the River Thames 

London relies on a 150-year-old sewer system built for a population less than half its current size. As a result, millions of tonnes of raw sewage spills, untreated, into the River Thames each year. 

That’s where we come in.  

We’re building a 25km Super Sewer under the Thames to intercept those nasty spills and clean up our river for the good of the city, its wildlife and you.