The company said its customers thought reusing water from wastewater treatment works made sense.

BBC: Southern Water could recycle wastewater

As part of the scheme, Wessex Water will also enlarge its existing treatment works at Littledown, Codford, Wylye and Camp Hill and create new sites at Monkton Deverill and Summerslade Down.

BBC: Water pipeline approved between Dorset and Wiltshire

Kelda Water Services and its sister company Yorkshire Water are supplying the council with the biogas, which is produced at their sewage treatment works in Sheffield.

BBC: 'Poo-powered' vans up and running in Sheffield