Wayoh Reservoir is a water reservoir in the town of

Edgworth Edgworth is a small village within the borough of Blackburn with Darwen, Lancashire, England. It is north east of North Turton between Broadhead Brook on the west (expanded artificially to form the Wayoh Reservoir) and Quarlton Brook in the sout ...

Lancashire Lancashire ( , ; abbreviated Lancs) is the name of a historic county, ceremonial county, and non-metropolitan county in North West England. The boundaries of these three areas differ significantly. The non-metropolitan county of Lancashi ...

, England. It was completed on 28 April 1876 to supply water to

Bolton Bolton (, locally ) is a large town in Greater Manchester in North West England, formerly a part of Lancashire. A former mill town, Bolton has been a production centre for textiles since Flemish people, Flemish weavers settled in the area i ...

. Wayoh, together with the

Turton and Entwistle Reservoir Turton and Entwistle Reservoir is a water reservoir in the village of Edgworth, Lancashire, England. The reservoir's existence is due to the Entwistle Dam. When constructed in 1832 the Entwistle Dam was the highest in Britain; it rises 108 feet ...

, make up 50% of Bolton's drinking water. In 1962 in response to an increasing demand for drinking water in Bolton, a treatment plant was built and the reservoir enlarged to its present capacity of . Today the treatment plant can supply almost of drinking water per day. The reservoir is crossed by the earlier built Armsgrove Viaduct; which was built between 1847 and 1848 by the Blackburn, Darwen and Bolton Railway to bridge

Bradshaw Brook Bradshaw Brook is a river draining parts of Lancashire and Greater Manchester in Northern England. Starting life as Cadshaw Brook draining a valley named Green Lowe Clough on Turton Moor, the brook feeds the Turton and Entwistle Reservoir and W ...

References

{{authority control Drinking water reservoirs in England Buildings and structures in Blackburn with Darwen Reservoirs in Lancashire