Yorkshire Water's £2m storm overflow project in River Swale

The River Swale <i>(Image: SUBMIT)</i>
The River Swale (Image: SUBMIT)
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Yorkshire Water has committed to bringing a £2m project at a storm overflow in North Yorkshire that will look to reduce the pollution and waste in the River Swale. 

The water company is investing a significant amount of money, which will look to transform the overflow in the village of Langthorne, near, Bedale to reduce the number of discharges into a tributary of the River Swale, which they say will improve the health of the watercourse. 

A new 500-metre surface water sewer will be laid from the village green to the watercourse, preventing surface water from entering the combined sewer network and mixing with wastewater.

A person wearing wellies in a watercourseA person wearing wellies in a watercourse (Image: YORKSHIRE WATER) Once completed, Yorkshire Water expects the project to reduce discharges from Langthorne storm overflow into the River Swale tributary during periods of heavy or prolonged rainfall by 50 per cent, as flows within the combined sewer will be significantly reduced.

The project is expected to be completed in March 2025. 

Omair Khan, project manager at Yorkshire Water, said: “The project at Langthorne is part of a £180m investment project across Yorkshire by the end of April 2025 to reduce discharges from storm overflows, and is an important step in improving the quality of watercourses in and around North Yorkshire. 

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“Separating surface water from wastewater before they enter the combined sewer reduces flows in the sewer network during periods of heavy or prolonged rainfall, reducing the need for overflows to operate to protect homes and gardens from flooding.” 

Yorkshire Water is working on several storm overflow discharge reduction projects nearby – including £900k at Marton-Le-Moor, and £1.5m at the Clock Tower overflow in Ripon. 

The utility says it is also planning its largest-ever environmental investment between 2025 and 2030, which includes over £1bn to further reduce the impact of storm overflow discharges on the region’s watercourses. 

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