UK Water Companies Pioneer Sustainable Phosphorus Removal Methods
A major collaborative study led by United Utilities, with partners including Southern Water, Wessex Water, the University of Portsmouth, Power & Water, Kolina, Hydro Industries, Evergreen, and knowledge-sharing partner Spring Innovation, is delivering promising results in sustainable phosphorus removal at rural wastewater treatment works. Funded by Ofwat’s Water Breakthrough Challenge in 2021, the ALT-P project has already seen one innovative method adopted by United Utilities at sites in Cheshire. The ALT-P initiative, set to conclude in November 2025, explores alternatives to traditional chemical-based phosphorus removal, focusing on electrocoagulation, natural coagulants, and reactive media. The project’s aim is to provide a comprehensive understanding of cost, capability, maintenance,