About this season
Observational documentary series following the work of staff at one of Britain's largest water companies, United Utilities, as they work tirelessly to keep the country's vital sewer systems running freely.
Episodes (12)
1. Episode 1
Aired 30 April 2020 • 60 min
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.
2. Episode 2
Aired 7 May 2020 • 60 min
Waste Warriors James and Andy battle to clear a newly formed fatberg underneath a busy street in Manchester. It is a monstrous mass of waste and fat that is 50 metres in length
3. Episode 3
Aired 14 May 2020 • 60 min
In Cumbria, John and his army of engineers are midway through a mammoth plumbing job, replacing parts of an ageing monster underground pipeline
4. Episode 4
Aired 21 May 2020 • 60 min
Geoff and his elite squad of sewage cleaners must scour the pumps deep inside a holding tank at Southport Treatment works, to ensure the waste doesn't back up into people's homes
5. Episode 5
Aired 28 May 2020 • 60 min
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.
6. Episode 6
Aired 4 June 2020 • 60 min
Steve and Mark face one of their toughest jobs ever and Stu and Ian tackle a potential pollution emergency.
7. Episode 7
Aired 28 July 2020 • 60 min
Stuart tackles a 200-metre fatberg in Manchester, newly qualified "leak listener" Dan detects holes in the water company's network, and the Steves attract donkey attention.
8. Episode 8
Aired 7 August 2020 • 60 min
The largest fatberg ever seen in the North West is proving an unbeatable enemy. At 400 tonnes and 350m long, it fills 40% of the main sewer system in the docks area of Liverpool.
9. Episode 9
Aired 15 October 2020 • 60 min
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.
10. Episode 10
Aired 22 October 2020 • 60 min
In Liverpool city centre, a crack team of drainage engineers goes underground to clear a blocked sewer.
11. Episode 11
Aired 29 October 2020 • 60 min
Docuseries following the workers who maintain Britain's water systems.
12. Episode 12
Aired 5 November 2020 • 60 min
Docuseries following the workers who maintain Britain's water systems.