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  • Frome Valley relief sewer

    We are investing around £20 million in building a new sewer which will ensure our system copes with ongoing and future development in North Bristol.

    The Frome Valley relief sewer will enable us to provide an adequate sewerage system for new residents of areas such as Yate, Emersons Green, Harry Stoke and Filton, where thousands of new homes are being built.

    Frome valley sewer map

    Frome valley sewer map key

    The first sections of the Frome Valley relief sewer were laid in areas of North Bristol and Yate in South Gloucestershire in the 1980s and 1990s.

    To complete the sewer, we are constructing a 5km long, 1.8m diameter sewer pipe that will run from the north of Frampton Cotterell, westwards to Bradley Stoke. Most of the work will be carried out in fields rather than roads.

    Once built, the sewer will divert waste water flows from Yate to Bristol sewage treatment works in Avonmouth via a route around the north of Bristol, rather than alongside the Frome Valley and through the centre of Bristol.

    Diverting the flows will provide additional capacity for the new developments and significantly reduce the risk of sewer flooding in the area.

    The Frome Valley relief sewer is one of many projects included in our £2 billion investment programme to maintain and improve services between 2015 and 2020.


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