Corporate report

Flood maps for surface water: how they were produced

Why and how the updated flood map for surface water was produced for local councils and partners.


What is the updated Flood Map for Surface Water?

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In 2013 the Environment Agency, working with lead local flood authorities (LLFAs), produced the updated flood map for surface water.

This document explains why and how the updated flood map for surface water was produced. It describes in detail:

  • the background to the production of the maps
  • the method used to produce the maps
  • what is included in the resulting maps
  • a summary of the strengths and limitations of the maps

Related guidance:

Published 12 December 2013