Surface water flood maps: for flood risk management authorities
Guidance on surface water flood mapping and how to meet the requirements of the Flood Risk Regulations.
Ref: LIT 7030 PDF, 782KB, 33 pages
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This document is for flood risk management authorities including:
- lead local flood authorities (LLFAs)
- internal drainage boards
- any person involved in developing surface water flood mapping on their behalf
The updated flood map for surface water will combine local detailed mapping with national mapping to form a single source of surface water flood mapping for England and Wales.
The document outlines the differences between the updated national scale surface water mapping and previous national scale surface water mapping. It describes how LLFAs can check if their mapping is compatible to be included in the updated flood map for surface water.