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The Flood and Water Management Act 2010 and Flood Risk Regulations 2009 have designated Unitary Authorities and County Councils as Lead Local Flood Authority (LLFA). LLFAs have responsibility for leading the co-ordination of local flood risk management in their respective administrative areas, ensuring that flood risk from all sources, including from surface runoff, groundwater and ordinary watercourses, is identified and managed as part of locally agreed plans and strategies.

A Surface Water Management Plan (SWMP) assesses the surface water flood risk across an area using both historical information and undertaking pluvial modelling to determine the future flood risk for a range of rainfall events. These identify the areas of significant surface water and groundwater risk and options to address the risk of flooding.

A SWMP has been produced for the London Borough of Richmond upon Thames, along with the Preliminary Flood Risk Assessment, as part of the Drain London project.

SWMP report

SWMP Appendices

Please note: Due to the considerable size of some of the above documents, it might take some time to download depending on your internet connection. If you experience any problem downloading any of the documents, please contact the Local Development Framework Team.

Contact the Local Development Framework Team

If you would like more information, please contact Local Development Framework Team.

Telephone: 020 8891 1411

Updated: 01 July 2021

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