Water/Wastewater

  • Cover-up for £200m Mersey Clean Scheme
    The last aerial photo to show inside the £200m extension at Liverpool wastewater treatment works
  • Aerial photograph of Wellington Dock, Liverpool, before work started on the £200m extension at Liverpool wastewater treatment works
  • Lorne Large, Principal Project Manager for the £200m extension at Liverpool wastewater treatment works

Cover-up for £200m Mersey Clean Scheme

Oct 01 2014 Read 1415 Times

Here’s the last aerial shot showing inside Liverpool’s new £200m wastewater treatment works extension – this month the lid goes on. The photograph shows the interior of the plant at Wellington Dock, a view that won’t be seen when United Utilities engineers start constructing the covers.

The company is on target to get the works operational by next spring, which will keep the River Mersey clean for future generations and help boost both Liverpool’s tourism and economy.

Lorne Large, United Utilities Principal Project Manager, said: “It’s staggering to think how quickly this important building has shot up. It only seems like yesterday we were standing on the side of a water-filled dock.

“It’s one of the biggest construction sites in the city and means we will be able to keep the River Mersey clean well into the next century.” On the photograph, you can also see three of the basins being filled with water to test for leaks. All have passed the test.

Around 350 people, many of them local, will work at the Wellington Dock site, which is almost the length of two football pitches. Construction began in autumn 2012. It will serve 600,000 Liverpudlians from Crosby to Garston, taking away their sewage, and treating it to the highest standards before returning it to the River Mersey.

As well as the new extension, the existing works in neighbouring Sandon Dock is being improved and a 285m long outfall pipe has been installed on the bed of the Mersey, taking the treated wastewater out into the middle of the river. It will then hit strong tidal currents and be dispersed more widely into the estuary and Irish Sea. This will reduce the risk of pollution to the coastline and improve habitats for birds.

The project will continue the long-term aim of keeping the river clean, something which originally began in the 1980s, when it was heavily polluted and named as the dirtiest in Europe.

Since then, United Utilities has spent millions of pounds on the construction of a huge 29km sewer from Crosby to Speke, which carries the city’s wastewater to Sandon Dock. Now, salmon and trout live in the river. 

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