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Primary tank upgrade starts at Northumbrian's Howdon STW

Northumbrian Water has announced that work is underway to deliver a £15M investment in the quality of wastewater services at the North-east's largest sewage treatment works.

The latest work at Howdon sewage treatment works (STW) in Wallsend takes the investment into the site to more than £60M over the past ten years. Howdon STW can treat up to 12,000 litres of wastewater a second.

The latest project involves upgrading the site’s primary sewage treatment tanks, including the installation of new tank covers. It will improve the performance and reliability of the site, which serves more than a million homes across Tyneside.

All of the work is being carried out by Northumbrian Water’s partner, BAM Nuttall, within the STW site.

Preliminary work, which includes full isolation and cleaning of the primary tanks prior to remove the existing covers, is underway with work set to continue through to December 2018.

Northumbrian Water’s project manager, Ronnie Doran, said: “Howdon sewage treatment works serves more than a million people, so it is important that we constantly look at ways to make the site more reliable, efficient and resilient, to make sure we′re providing great service to our customers.

“Whilst the work is self-contained, the public may see cranes or other machinery in action, so we are working to keep the community fully informed.”

In addition to this work, Northumbrian Water is installing innovative flow monitoring software in its large pipes on Tyneside, including at Howdon. The equipment will help the company to understand the nature of the flow of wastewater to inform any future improvements to the area′s sewer network.

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