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Work complete on £9 million improvements

 Winchester’s Morestead Road Wastewater Treatment Works upgrade  is now complete.

Southern Water has completed its £9 million upgrade of Winchester’s Morestead Road Wastewater Treatment Works.

The company has carried out an extensive upgrade of the treatment works to improve the quality of the treated wastewater returned to the environment.

A major aspect of the work was the construction of three aeration lanes which pump oxygen into the wastewater to help the waste-digesting bacteria to thrive.

New pumps, tanks and treatment systems will help meet tightening Environment Agency standards and a new ferric dosing plant has also been installed to remove phosphate.

Phosphate increases the nutrient content of the water and may lead to algal blooms which can affect the balance of ecosystems. It is present in wastewater from a variety of sources including washing powders.

The ferric reacts with the phosphate to create a solid material that can be easily removed in the wastewater treatment process.

Project Manager Jon Kenrick said: “Morestead Road serves a population of more than 36,000 people in the area and this significant investment will help ensure we continue to cater for them while also meeting increasingly tough environmental standards.”

The project, which began in June 2012, was carried out by Southern Water’s supplier 4Delivery. The company will remain on site for another month or so while it carries out some extra improvements identified during the project.

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