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SuDS iQ: A National SuDS Collaboration & Evaluation Platform 

SuDS iQ: A National SuDS Collaboration & Evaluation Platform 

Challenge: Breakthrough 4: Catalyst
Water cycle: Rivers, catchments, groundwater
Funding amount: £959,243
Lead water company: Southern Water Services Limited
Partner water companies: Anglian Water Dŵr Cymru (Welsh Water) Thames Water Yorkshire Water
Delivery stage: In progress
Est. completion date: Jan 2026

SuDS iQ: A National SuDS Collaboration & Evaluation Platform 

Amount awarded: £959,243 

Led by: Southern Water Services Limited 

Partners: Anglian Water, Brighton & Hove Council, Dŵr Cymru Welsh Water, East Riding of Yorkshire Council, HR Wallingford Ltd, Hull City Council, Thames Water, Yorkshire Water 

SuDS-iQ will deliver a national online collaborative Sustainable Drainage Systems (SuDS) platform that will support a collective understanding of what SuDS are, how SuDS work, and the benefits they provide. The platform will accelerate efficiencies in partnership working and consideration for and implementation of environmentally beneficial drainage solutions. 

“ Through investment in Sustainable Urban Drainage, Southern Water is aiming to drive a future of Cleaner Rivers and Seas in the water industry. The SuDS-IQ tool will work to promote collaboration between the stakeholders required for adoption of nature-based solutions. We’re aiming to build future resilience and regenerate the environment.” – Greg Mullet, Chief Engineer, Southern Water