Sewermen

Following the everyday heroes who battle to keep Britain's water systems flowing free.

Following the everyday heroes who battle to keep Britain's water systems flowing free.

A Warrington water main has burst, flooding roads and causing 17,000 taps to run dry. Meanwhile, in the heart of Liverpool's docklands, veteran sewermen Steve and Michael continue the battle of the fatbergs.

Following the everyday heroes who who keep Britain's water systems flowing free. There are three weeks to clean an effluent-encrusted sewer beneath a golf course.

A fire-fighting helicopter is chartered to stop a wildfire on the West Yorkshire moorlands reaching a reservoir.

Specialist divers battle low visibility and marine debris to clean a massive submerged outfall pipe.