Sewermen

In the Lake District, an army of engineers with a battery of machinery are constructing one of Britain’s biggest fresh water pipelines. Its a bugs life for Steve and Anthony, as they discover a whole new colony of wildlife feasting off unmentionables.

Steve and Michael send newbie Dan to fight the fatberg. A Warrington water main has burst, flooding local roads and causing 17,000 taps to run dry. Mick and John respond to Mrs Windsors urgent manhole problem.

A fire-fighting helicopter is chartered to stop a wildfire on the West Yorkshire moorlands reaching a reservoir. Repair works force half of the north-west biggest sewage treatment works to shut down. A failed attempt by two neighbours to clear a blockage results in them losing 11 of their rodding tools down the drain.

Stuart tackles a 200-metre fatberg in Manchester, newly qualified "leak listener" Dan detects holes in the water companys network, and the Steves attract donkey attention on a flooded farm.

In Cumbria, an army of engineers are replacing parts of an ageing monster underground pipeline that transports millions of litres of water from Haweswater Reservoir to 2 million people every day.

In Cumbria, John and his army of engineers are midway through a mammoth plumbing job, replacing parts of an ageing monster underground pipeline

Project director John and his team undertake a crucial test at a fresh water pipeline in the Lake District, and a garden in Rucorn, Cheshire, is being slowly submerged in sewage.

Stuart tackles a 200-metre fatberg in Manchester, newly qualified "leak listener" Dan detects holes in the water companys network, and the Steves attract donkey attention.

In North Wales, engineer Luke and his team of mega plumbers are mid way through a project to replace a problematic two km section of pipe that has a history of large bursts.

Docuseries following the workers who maintain Britains water systems.