Severn Trent has started work on a pioneering project in Derbyshire as part of its £566 million Green Recovery programme that will help secure water supplies for the future.
The water company is building a new water treatment facility on the same site as its existing Church Wilne water treatment works. In what is believed to be a UK first, Severn Trent is also using floating wetlands to pre-treat water naturally,
The project will be turning to nature to help pre-treat the water, something not seen before in the UK, whilst improving the biodiversity of 46 hectares.
The company has launched three floating wetlands across gravel beds at Witches Oak, with a further 27 due to be launched in Spring 2023.
Up to an extra 89 million litres of drinking water a day, which could supply a city the size of Derby, will help to ensure customers have a secure and resilient supply as the UK faces challenges from population growth and climate change.
Mat Bingham, Green Recovery Programme Lead at Severn Trent said:
“As a country, we’re really facing the impact of climate change and population growth and this year with minimal rainfall and water usage rising, we’re seeing effects of that. That’s why we’re looking ahead, looking at ways on how we secure our water supply for the future and helping to make sure our customers have water when they need it.
“While we all absolutely still have to save water and treat water like the precious resource it is, this project will help secure supplies within the region for the future – while being carbon friendly and using pioneering water treatment processes.”
Severn Trent say the new treatment facility will help mitigate issues with water scarcity, as the UK faces hotter summers through climate change, along with population growth.
As well as creating a new water supply, the project will use the nature-based pre-treatment to build the wetlands to work in harmony with the Church Wilne water treatment works to a provide a more sustainable carbon friendly treatment, while improving biodiversity.
Mat Bingham continued:
"This project will not only see more water for our region and helping us in the future, the fact we’re turning to nature to help pre-treat the water will mean we’re doing this in the most sustainable way possible, and could help change how the industry looks to be carbon friendly when it comes to water treatment.”
Severn Trent say the new treatment works, and distribution pipe will be in place and supplying the region by 2025.
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