Southern Water invests £2.5 million to upgrade Surrey Wastewater Treatment Works

Southern Water is investing £2.5 million to upgrade its Grayswood Wastewater Treatment Works in Surrey in an effort to bring down phosphorous levels and improve water quality.

The improvement works at the village near Haslemere are now underway and it is estimated that the project will be completed by the end of March 2025.

The work includes building a new treatment process, known as Ferric Dosing that helps reduce the amount of phosphorous leaving the site which in turn improves water quality.

Chris Tinker, Project Manager for Southern Water, said:

“We’re pleased to see the start of this project at Grayswood and we are keen to continue investing in our treatment works across the region.

These types of investment in upgrades will help improve our environmental performance and improve water quality. It’s vital that we continue to improve how we treat wastewater so that capacity increases and the quality of the final effluent leaving the site it as high as it can be.”

To find out more about how wastewater treatment works visit The Wastewater Process – Southern Water